tdf#124176 Use pragma once in x*

xmlhelp, xmloff, xmlsecurity

Change-Id: I80c6fa806387f3dcba8be7f93fe2fef146b033e3
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112050
Tested-by: Jenkins
Reviewed-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org>

48 files changed, 48 insertions, 191 deletions

diff --git a/xmlsecurity/inc/bitmaps.hlst b/xmlsecurity/inc/bitmaps.hlst
index 52a9df754e48..add5c78f59ef 100644
--- a/xmlsecurity/inc/bitmaps.hlst
+++ b/xmlsecurity/inc/bitmaps.hlst
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_BITMAPS_HRC
-#define INCLUDED_XMLSECURITY_INC_BITMAPS_HRC
+#pragma once
 
 #define BMP_STATE_NOT_VALIDATED         "xmlecurity/res/notcertificate_40x56.png"
 
@@ -19,6 +18,4 @@
 #define BMP_SIG_INVALID                 "svx/res/caution_11x16.png"
 #define BMP_SIG_NOT_VALIDATED           "xmlsecurity/res/notcertificate_16.png"
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/xmlsecurity/inc/framework/saxeventkeeperimpl.hxx b/xmlsecurity/inc/framework/saxeventkeeperimpl.hxx
index e3edb857934f..203ac16a33da 100644
--- a/xmlsecurity/inc/framework/saxeventkeeperimpl.hxx
+++ b/xmlsecurity/inc/framework/saxeventkeeperimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_FRAMEWORK_SAXEVENTKEEPERIMPL_HXX
-#define INCLUDED_XMLSECURITY_INC_FRAMEWORK_SAXEVENTKEEPERIMPL_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/sax/XSecuritySAXEventKeeper.hpp>
 #include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
@@ -288,7 +287,5 @@ OUString SAXEventKeeperImpl_getImplementationName();
 /// @throws css::uno::RuntimeException
 css::uno::Sequence< OUString > SAXEventKeeperImpl_getSupportedServiceNames(  );
 
-#endif
-
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/framework/securityengine.hxx b/xmlsecurity/inc/framework/securityengine.hxx
index 980d61a6570a..bebf07306b63 100644
--- a/xmlsecurity/inc/framework/securityengine.hxx
+++ b/xmlsecurity/inc/framework/securityengine.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_FRAMEWORK_SECURITYENGINE_HXX
-#define INCLUDED_XMLSECURITY_INC_FRAMEWORK_SECURITYENGINE_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/sax/XReferenceResolvedListener.hpp>
 #include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
@@ -140,6 +139,4 @@ public:
         virtual sal_Bool SAL_CALL endMission(  ) override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/framework/signaturecreatorimpl.hxx b/xmlsecurity/inc/framework/signaturecreatorimpl.hxx
index 212feb25cb48..d0fc1dc33369 100644
--- a/xmlsecurity/inc/framework/signaturecreatorimpl.hxx
+++ b/xmlsecurity/inc/framework/signaturecreatorimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_FRAMEWORK_SIGNATURECREATORIMPL_HXX
-#define INCLUDED_XMLSECURITY_INC_FRAMEWORK_SIGNATURECREATORIMPL_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/sax/XBlockerMonitor.hpp>
 #include <com/sun/star/xml/crypto/sax/XSignatureCreationResultBroadcaster.hpp>
@@ -93,7 +92,5 @@ OUString SignatureCreatorImpl_getImplementationName();
 /// @throws css::uno::RuntimeException
 css::uno::Sequence< OUString > SignatureCreatorImpl_getSupportedServiceNames(  );
 
-#endif
-
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/framework/signatureengine.hxx b/xmlsecurity/inc/framework/signatureengine.hxx
index 48e4ce5f3f08..6446c2f36729 100644
--- a/xmlsecurity/inc/framework/signatureengine.hxx
+++ b/xmlsecurity/inc/framework/signatureengine.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_FRAMEWORK_SIGNATUREENGINE_HXX
-#define INCLUDED_XMLSECURITY_INC_FRAMEWORK_SIGNATUREENGINE_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/sax/XReferenceResolvedListener.hpp>
 #include <com/sun/star/xml/crypto/sax/XReferenceCollector.hpp>
@@ -114,6 +113,4 @@ public:
         SAL_CALL getUriBinding( const OUString& uri ) override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/framework/signatureverifierimpl.hxx b/xmlsecurity/inc/framework/signatureverifierimpl.hxx
index 37327fd5f9fb..15c79643e0aa 100644
--- a/xmlsecurity/inc/framework/signatureverifierimpl.hxx
+++ b/xmlsecurity/inc/framework/signatureverifierimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_FRAMEWORK_SIGNATUREVERIFIERIMPL_HXX
-#define INCLUDED_XMLSECURITY_INC_FRAMEWORK_SIGNATUREVERIFIERIMPL_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/sax/XSignatureVerifyResultBroadcaster.hpp>
 #include <com/sun/star/lang/XInitialization.hpp>
@@ -85,7 +84,5 @@ OUString SignatureVerifierImpl_getImplementationName();
 /// @throws css::uno::RuntimeException
 css::uno::Sequence< OUString > SignatureVerifierImpl_getSupportedServiceNames(  );
 
-#endif
-
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/framework/xmlsignaturetemplateimpl.hxx b/xmlsecurity/inc/framework/xmlsignaturetemplateimpl.hxx
index 4f10e5db23fe..c0dee1173b73 100644
--- a/xmlsecurity/inc/framework/xmlsignaturetemplateimpl.hxx
+++ b/xmlsecurity/inc/framework/xmlsignaturetemplateimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_FRAMEWORK_XMLSIGNATURETEMPLATEIMPL_HXX
-#define INCLUDED_XMLSECURITY_INC_FRAMEWORK_XMLSIGNATURETEMPLATEIMPL_HXX
+#pragma once
 
 #include <sal/config.h>
 #include <rtl/ustring.hxx>
@@ -93,6 +92,4 @@ class XMLSignatureTemplateImpl final : public ::cppu::WeakImplHelper<
         static css::uno::Reference< css::uno::XInterface > impl_createInstance( const css::uno::Reference< css::lang::XMultiServiceFactory >& aServiceManager ) ;
 };
 
-#endif  // INCLUDED_XMLSECURITY_INC_FRAMEWORK_XMLSIGNATURETEMPLATEIMPL_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/gpg/SEInitializer.hxx b/xmlsecurity/inc/gpg/SEInitializer.hxx
index 67ab7a53188e..e4da22029c3d 100644
--- a/xmlsecurity/inc/gpg/SEInitializer.hxx
+++ b/xmlsecurity/inc/gpg/SEInitializer.hxx
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_GPG_SEINITIALIZER_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_GPG_SEINITIALIZER_HXX
+#pragma once
 
 #include <com/sun/star/uno/Reference.hxx>
 #include <com/sun/star/uno/Sequence.hxx>
@@ -45,6 +44,4 @@ public:
     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/gpg/xmlsignature_gpgimpl.hxx b/xmlsecurity/inc/gpg/xmlsignature_gpgimpl.hxx
index 39c8496f2218..906a51d19c1e 100644
--- a/xmlsecurity/inc/gpg/xmlsignature_gpgimpl.hxx
+++ b/xmlsecurity/inc/gpg/xmlsignature_gpgimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_GPG_XMLSIGNATURE_GPGIMPL_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_GPG_XMLSIGNATURE_GPGIMPL_HXX
+#pragma once
 
 #include <sal/config.h>
 #include <rtl/ustring.hxx>
@@ -75,6 +74,4 @@ class XSECXMLSEC_DLLPUBLIC XMLSignature_GpgImpl final : public ::cppu::WeakImplH
         static css::uno::Reference< css::uno::XInterface > impl_createInstance( const css::uno::Reference< css::lang::XMultiServiceFactory >& aServiceManager ) ;
 } ;
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_GPG_XMLSIGNATURE_GPGIMPL_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/strings.hrc b/xmlsecurity/inc/strings.hrc
index e16a3dd7b5db..648758825054 100644
--- a/xmlsecurity/inc/strings.hrc
+++ b/xmlsecurity/inc/strings.hrc
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_STRINGS_HRC
-#define INCLUDED_XMLSECURITY_INC_STRINGS_HRC
+#pragma once
 
 #define NC_(Context, String) reinterpret_cast<char const *>(Context "\004" u8##String)
 
@@ -65,6 +64,4 @@
 
 #define STR_BROKEN_MACRO_CERTIFICATE_DATA           NC_("STR_BROKEN_MACRO_CERTIFICATE_DATA", "Macro security problem!\n\nBroken certificate data: %{data}")
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/xmlsec-wrapper.h b/xmlsecurity/inc/xmlsec-wrapper.h
index c060c8bf23b8..e4048de94bf2 100644
--- a/xmlsecurity/inc/xmlsec-wrapper.h
+++ b/xmlsecurity/inc/xmlsec-wrapper.h
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_XMLSEC_WRAPPER_H
-#define INCLUDED_XMLSECURITY_INC_XMLSEC_WRAPPER_H
+#pragma once
 
 #include <sal/config.h>
 
@@ -45,6 +44,4 @@
 #include <xmlsec/nss/pkikeys.h>
 #endif
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/xmlsec/errorcallback.hxx b/xmlsecurity/inc/xmlsec/errorcallback.hxx
index 511d20ae1840..80ba564e9b2a 100644
--- a/xmlsecurity/inc/xmlsec/errorcallback.hxx
+++ b/xmlsecurity/inc/xmlsec/errorcallback.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_ERRORCALLBACK_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_ERRORCALLBACK_HXX
+#pragma once
 
 #include <xsecxmlsecdllapi.h>
 
@@ -28,6 +27,4 @@ void setErrorRecorder();
 //void setErrorRecorder(const css::uno::Reference< css::xml::crypto::XXMLEncryptionTemplate >& xTemplate);
 void clearErrorRecorder();
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/xmlsec/saxhelper.hxx b/xmlsecurity/inc/xmlsec/saxhelper.hxx
index af3d4ca259d1..a49ccef1894c 100644
--- a/xmlsecurity/inc/xmlsec/saxhelper.hxx
+++ b/xmlsecurity/inc/xmlsec/saxhelper.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_XMLSEC_SAXHELPER_HXX
-#define INCLUDED_XMLSECURITY_INC_XMLSEC_SAXHELPER_HXX
+#pragma once
 
 #include <sal/config.h>
 
@@ -83,6 +82,4 @@ class SAXHelper final
 
 } ;
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/xmlsec/xmldocumentwrapper_xmlsecimpl.hxx b/xmlsecurity/inc/xmlsec/xmldocumentwrapper_xmlsecimpl.hxx
index ed984cfa176e..8f5695d10dfe 100644
--- a/xmlsecurity/inc/xmlsec/xmldocumentwrapper_xmlsecimpl.hxx
+++ b/xmlsecurity/inc/xmlsec/xmldocumentwrapper_xmlsecimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_XMLSEC_XMLDOCUMENTWRAPPER_XMLSECIMPL_HXX
-#define INCLUDED_XMLSECURITY_INC_XMLSEC_XMLDOCUMENTWRAPPER_XMLSECIMPL_HXX
+#pragma once
 
 #include <com/sun/star/xml/wrapper/XXMLDocumentWrapper.hpp>
 #include <com/sun/star/xml/csax/XCompressedDocumentHandler.hpp>
@@ -206,6 +205,4 @@ public:
     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/xmlsec/xmlsec_init.hxx b/xmlsecurity/inc/xmlsec/xmlsec_init.hxx
index 6dc4de2a63cf..417acd288b3c 100644
--- a/xmlsecurity/inc/xmlsec/xmlsec_init.hxx
+++ b/xmlsecurity/inc/xmlsec/xmlsec_init.hxx
@@ -7,14 +7,11 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_XMLSEC_INIT_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_XMLSEC_INIT_HXX
+#pragma once
 
 #include <xsecxmlsecdllapi.h>
 
 XSECXMLSEC_DLLPUBLIC void initXmlSec();
 XSECXMLSEC_DLLPUBLIC void deInitXmlSec();
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/xmlsec/xmlstreamio.hxx b/xmlsecurity/inc/xmlsec/xmlstreamio.hxx
index c78b717f3964..6e3d506a4d00 100644
--- a/xmlsecurity/inc/xmlsec/xmlstreamio.hxx
+++ b/xmlsecurity/inc/xmlsec/xmlstreamio.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_XMLSTREAMIO_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_XMLSTREAMIO_HXX
+#pragma once
 
 #include <xsecxmlsecdllapi.h>
 
@@ -37,6 +36,4 @@ int xmlRegisterStreamInputCallbacks(
     css::uno::Reference<css::xml::crypto::XUriBinding> const& aUriBinding);
 int xmlUnregisterStreamInputCallbacks();
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_XMLSTREAMIO_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/xmlsecuritydllapi.h b/xmlsecurity/inc/xmlsecuritydllapi.h
index f0540c799b48..7f31e6f8f407 100644
--- a/xmlsecurity/inc/xmlsecuritydllapi.h
+++ b/xmlsecurity/inc/xmlsecuritydllapi.h
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_XMLSECURITYDLLAPI_H
-#define INCLUDED_XMLSECURITY_INC_XMLSECURITYDLLAPI_H
+#pragma once
 
 #include <sal/types.h>
 
@@ -18,6 +17,4 @@
 #define XMLSECURITY_DLLPUBLIC SAL_DLLPUBLIC_IMPORT
 #endif
 
-#endif // INCLUDED_XMLSECURITY_INC_XMLSECURITYDLLAPI_H
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/xsecxmlsecdllapi.h b/xmlsecurity/inc/xsecxmlsecdllapi.h
index 2f1d8d7c3af4..36f8ad52acef 100644
--- a/xmlsecurity/inc/xsecxmlsecdllapi.h
+++ b/xmlsecurity/inc/xsecxmlsecdllapi.h
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_INC_XSECXMLSECDLLAPI_H
-#define INCLUDED_XMLSECURITY_INC_XSECXMLSECDLLAPI_H
+#pragma once
 
 #include <sal/types.h>
 
@@ -18,6 +17,4 @@
 #define XSECXMLSEC_DLLPUBLIC SAL_DLLPUBLIC_IMPORT
 #endif
 
-#endif // INCLUDED_XMLSECURITY_INC_XSECXMLSECDLLAPI_H
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/framework/buffernode.hxx b/xmlsecurity/source/framework/buffernode.hxx
index 17fd4302f7ad..0202195de99a 100644
--- a/xmlsecurity/source/framework/buffernode.hxx
+++ b/xmlsecurity/source/framework/buffernode.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_FRAMEWORK_BUFFERNODE_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_FRAMEWORK_BUFFERNODE_HXX
+#pragma once
 
 #include <com/sun/star/uno/Reference.hxx>
 
@@ -117,6 +116,4 @@ public:
     void elementCollectorNotify();
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/framework/elementcollector.hxx b/xmlsecurity/source/framework/elementcollector.hxx
index 8af12f246b60..0f797572a487 100644
--- a/xmlsecurity/source/framework/elementcollector.hxx
+++ b/xmlsecurity/source/framework/elementcollector.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_FRAMEWORK_ELEMENTCOLLECTOR_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_FRAMEWORK_ELEMENTCOLLECTOR_HXX
+#pragma once
 
 #include "elementmark.hxx"
 #include <com/sun/star/xml/crypto/sax/ElementMarkPriority.hpp>
@@ -78,6 +77,4 @@ public:
     void doNotify();
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/framework/elementmark.hxx b/xmlsecurity/source/framework/elementmark.hxx
index a353b15c2832..94ca71fdfb10 100644
--- a/xmlsecurity/source/framework/elementmark.hxx
+++ b/xmlsecurity/source/framework/elementmark.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_FRAMEWORK_ELEMENTMARK_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_FRAMEWORK_ELEMENTMARK_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/sax/ElementMarkType.hpp>
 
@@ -65,6 +64,4 @@ public:
     sal_Int32 getBufferId() const { return m_nBufferId; }
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/gpg/CertificateImpl.hxx b/xmlsecurity/source/gpg/CertificateImpl.hxx
index cb947f0f435b..b6c50cb2ed5c 100644
--- a/xmlsecurity/source/gpg/CertificateImpl.hxx
+++ b/xmlsecurity/source/gpg/CertificateImpl.hxx
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_GPG_X509CERTIFICATE_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_GPG_X509CERTIFICATE_HXX
+#pragma once
 
 #include <certificate.hxx>
 
@@ -98,6 +97,4 @@ public:
     virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
 } ;
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_GPG_X509CERTIFICATE_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/gpg/CipherContext.hxx b/xmlsecurity/source/gpg/CipherContext.hxx
index b4d79011bc73..2c0ffcdc9bb8 100644
--- a/xmlsecurity/source/gpg/CipherContext.hxx
+++ b/xmlsecurity/source/gpg/CipherContext.hxx
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_GPG_CIPHERCONTEXT_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_GPG_CIPHERCONTEXT_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/XCipherContext.hpp>
 
@@ -24,6 +23,4 @@ public:
     virtual css::uno::Sequence<::sal_Int8> SAL_CALL finalizeCipherContextAndDispose() override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/gpg/DigestContext.hxx b/xmlsecurity/source/gpg/DigestContext.hxx
index ea2ecc043c06..2d48daf34490 100644
--- a/xmlsecurity/source/gpg/DigestContext.hxx
+++ b/xmlsecurity/source/gpg/DigestContext.hxx
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_GPG_DIGESTCONTEXT_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_GPG_DIGESTCONTEXT_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/XDigestContext.hpp>
 
@@ -22,6 +21,4 @@ public:
     virtual css::uno::Sequence<::sal_Int8> SAL_CALL finalizeDigestAndDispose() override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/gpg/SecurityEnvironment.hxx b/xmlsecurity/source/gpg/SecurityEnvironment.hxx
index c815e0e1f5d2..83b4f38b41c8 100644
--- a/xmlsecurity/source/gpg/SecurityEnvironment.hxx
+++ b/xmlsecurity/source/gpg/SecurityEnvironment.hxx
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_GPG_SECURITYENVIRONMENT_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_GPG_SECURITYENVIRONMENT_HXX
+#pragma once
 
 #include <sal/config.h>
 #include <rtl/ustring.hxx>
@@ -67,6 +66,4 @@ private:
     css::uno::Sequence< css::uno::Reference< css::security::XCertificate > > getCertificatesImpl( bool bPrivateOnly );
 } ;
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_GPG_SECURITYENVIRONMENT_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/gpg/XMLEncryption.hxx b/xmlsecurity/source/gpg/XMLEncryption.hxx
index 168128b40a9c..4ff47ccc49a4 100644
--- a/xmlsecurity/source/gpg/XMLEncryption.hxx
+++ b/xmlsecurity/source/gpg/XMLEncryption.hxx
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_GPG_XMLENCRYPTION_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_GPG_XMLENCRYPTION_HXX
+#pragma once
 
 #include <sal/config.h>
 #include <cppuhelper/implbase.hxx>
@@ -35,6 +34,4 @@ public:
         const css::uno::Reference< css::xml::crypto::XXMLSecurityContext >& aContext) override;
 };
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_GPG_XMLENCRYPTION_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/gpg/XMLSecurityContext.hxx b/xmlsecurity/source/gpg/XMLSecurityContext.hxx
index 3ca399f2be2d..e3dea731010f 100644
--- a/xmlsecurity/source/gpg/XMLSecurityContext.hxx
+++ b/xmlsecurity/source/gpg/XMLSecurityContext.hxx
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_GPG_XMLSECURITYCONTEXT_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_GPG_XMLSECURITYCONTEXT_HXX
+#pragma once
 
 #include <sal/config.h>
 #include <rtl/ustring.hxx>
@@ -56,6 +55,4 @@ public:
     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override ;
 } ;
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_GPG_XMLSECURITYCONTEXT_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/helper/ooxmlsecexporter.hxx b/xmlsecurity/source/helper/ooxmlsecexporter.hxx
index 5f432ae8fb5f..77ea7c484947 100644
--- a/xmlsecurity/source/helper/ooxmlsecexporter.hxx
+++ b/xmlsecurity/source/helper/ooxmlsecexporter.hxx
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_HELPER_OOXMLSECEXPORTER_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_HELPER_OOXMLSECEXPORTER_HXX
+#pragma once
 
 #include <memory>
 
@@ -45,6 +44,4 @@ public:
     void writeSignature();
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/helper/ooxmlsecparser.hxx b/xmlsecurity/source/helper/ooxmlsecparser.hxx
index d3c199147255..99219c515150 100644
--- a/xmlsecurity/source/helper/ooxmlsecparser.hxx
+++ b/xmlsecurity/source/helper/ooxmlsecparser.hxx
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_HELPER_OOXMLSECPARSER_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_HELPER_OOXMLSECPARSER_HXX
+#pragma once
 
 #include <com/sun/star/lang/XInitialization.hpp>
 #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
@@ -82,6 +81,4 @@ public:
     virtual void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any>& rArguments) override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/helper/xsecparser.hxx b/xmlsecurity/source/helper/xsecparser.hxx
index 6dcc29985c85..86f6154ddc93 100644
--- a/xmlsecurity/source/helper/xsecparser.hxx
+++ b/xmlsecurity/source/helper/xsecparser.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_HELPER_XSECPARSER_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_HELPER_XSECPARSER_HXX
+#pragma once
 
 #include <com/sun/star/lang/XInitialization.hpp>
 #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
@@ -154,7 +153,5 @@ public:
         const css::uno::Sequence< css::uno::Any >& aArguments ) override;
 };
 
-#endif
-
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/certificateextension_certextn.hxx b/xmlsecurity/source/xmlsec/certificateextension_certextn.hxx
index 48e9754f281d..ac84596c839a 100644
--- a/xmlsecurity/source/xmlsec/certificateextension_certextn.hxx
+++ b/xmlsecurity/source/xmlsec/certificateextension_certextn.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_CERTIFICATEEXTENSION_CERTEXTN_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_CERTIFICATEEXTENSION_CERTEXTN_HXX
+#pragma once
 
 #include <sal/config.h>
 #include <com/sun/star/uno/Sequence.hxx>
@@ -34,6 +33,4 @@ struct CertificateExtension_CertExtn
                      unsigned int idlen, bool critical);
 };
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_CERTIFICATEEXTENSION_CERTEXTN_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/certificateextension_xmlsecimpl.hxx b/xmlsecurity/source/xmlsec/certificateextension_xmlsecimpl.hxx
index 11e9a04707d7..9db5867fc792 100644
--- a/xmlsecurity/source/xmlsec/certificateextension_xmlsecimpl.hxx
+++ b/xmlsecurity/source/xmlsec/certificateextension_xmlsecimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_CERTIFICATEEXTENSION_XMLSECIMPL_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_CERTIFICATEEXTENSION_XMLSECIMPL_HXX
+#pragma once
 
 #include <sal/config.h>
 #include <cppuhelper/implbase.hxx>
@@ -54,6 +53,4 @@ class CertificateExtension_XmlSecImpl : public ::cppu::WeakImplHelper<
         }
 };
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_CERTIFICATEEXTENSION_XMLSECIMPL_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/mscrypt/akmngr.hxx b/xmlsecurity/source/xmlsec/mscrypt/akmngr.hxx
index 04b94244bb01..e5942ba2af66 100644
--- a/xmlsecurity/source/xmlsec/mscrypt/akmngr.hxx
+++ b/xmlsecurity/source/xmlsec/mscrypt/akmngr.hxx
@@ -16,8 +16,7 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_AKMNGR_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_AKMNGR_HXX
+#pragma once
 
 #if !defined WIN32_LEAN_AND_MEAN
 # define WIN32_LEAN_AND_MEAN
@@ -54,6 +53,4 @@ MSCryptoAppliedKeysMngrAdoptUntrustedStore(
 
 }
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_AKMNGR_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/xmlsecurity/source/xmlsec/mscrypt/oid.hxx b/xmlsecurity/source/xmlsec/mscrypt/oid.hxx
index 26986aff762d..ce573d882714 100644
--- a/xmlsecurity/source/xmlsec/mscrypt/oid.hxx
+++ b/xmlsecurity/source/xmlsec/mscrypt/oid.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_OID_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_OID_HXX
+#pragma once
 
 #include <sal/macros.h>
 
@@ -151,6 +150,4 @@ OIDItem OIDs[] = {
 
 const int nOID = SAL_N_ELEMENTS(OIDs);
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/mscrypt/sanextension_mscryptimpl.hxx b/xmlsecurity/source/xmlsec/mscrypt/sanextension_mscryptimpl.hxx
index 9f005a88677e..6c65c84f86bb 100644
--- a/xmlsecurity/source/xmlsec/mscrypt/sanextension_mscryptimpl.hxx
+++ b/xmlsecurity/source/xmlsec/mscrypt/sanextension_mscryptimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_SANEXTENSION_MSCRYPTIMPL_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_SANEXTENSION_MSCRYPTIMPL_HXX
+#pragma once
 
 #if !defined WIN32_LEAN_AND_MEAN
 # define WIN32_LEAN_AND_MEAN
@@ -64,6 +63,4 @@ class SanExtensionImpl : public ::cppu::WeakImplHelper<
         void setCertExtn( unsigned char* value, unsigned int vlen, unsigned char* id, unsigned int idlen, bool critical ) ;
 } ;
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_SANEXTENSION_MSCRYPTIMPL_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/mscrypt/securityenvironment_mscryptimpl.hxx b/xmlsecurity/source/xmlsec/mscrypt/securityenvironment_mscryptimpl.hxx
index 7064cda138e5..a4ae45742b98 100644
--- a/xmlsecurity/source/xmlsec/mscrypt/securityenvironment_mscryptimpl.hxx
+++ b/xmlsecurity/source/xmlsec/mscrypt/securityenvironment_mscryptimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_SECURITYENVIRONMENT_MSCRYPTIMPL_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_SECURITYENVIRONMENT_MSCRYPTIMPL_HXX
+#pragma once
 
 #if !defined WIN32_LEAN_AND_MEAN
 # define WIN32_LEAN_AND_MEAN
@@ -171,6 +170,4 @@ class SecurityEnvironment_MSCryptImpl : public ::cppu::WeakImplHelper<
         static void destroyKeysManager(xmlSecKeysMngrPtr pKeysMngr) ;
 } ;
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_SECURITYENVIRONMENT_MSCRYPTIMPL_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/mscrypt/seinitializer_mscryptimpl.hxx b/xmlsecurity/source/xmlsec/mscrypt/seinitializer_mscryptimpl.hxx
index 145124a97550..182ba5e5af16 100644
--- a/xmlsecurity/source/xmlsec/mscrypt/seinitializer_mscryptimpl.hxx
+++ b/xmlsecurity/source/xmlsec/mscrypt/seinitializer_mscryptimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_SEINITIALIZER_MSCRYPTIMPL_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_SEINITIALIZER_MSCRYPTIMPL_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/XXMLSecurityContext.hpp>
 #include <com/sun/star/xml/crypto/XSEInitializer.hpp>
@@ -69,6 +68,4 @@ public:
     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/mscrypt/x509certificate_mscryptimpl.hxx b/xmlsecurity/source/xmlsec/mscrypt/x509certificate_mscryptimpl.hxx
index 225d5f6bd5a8..9bd6a34ce68e 100644
--- a/xmlsecurity/source/xmlsec/mscrypt/x509certificate_mscryptimpl.hxx
+++ b/xmlsecurity/source/xmlsec/mscrypt/x509certificate_mscryptimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_X509CERTIFICATE_MSCRYPTIMPL_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_X509CERTIFICATE_MSCRYPTIMPL_HXX
+#pragma once
 
 #if !defined WIN32_LEAN_AND_MEAN
 # define WIN32_LEAN_AND_MEAN
@@ -94,6 +93,4 @@ class X509Certificate_MSCryptImpl : public ::cppu::WeakImplHelper<
         virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
 } ;
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_MSCRYPT_X509CERTIFICATE_MSCRYPTIMPL_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/nss/ciphercontext.hxx b/xmlsecurity/source/xmlsec/nss/ciphercontext.hxx
index 1d4a99c309c8..3ac5df6c7fd0 100644
--- a/xmlsecurity/source/xmlsec/nss/ciphercontext.hxx
+++ b/xmlsecurity/source/xmlsec/nss/ciphercontext.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_CIPHERCONTEXT_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_CIPHERCONTEXT_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/XCipherContext.hpp>
 
@@ -78,6 +77,4 @@ public:
     virtual css::uno::Sequence< ::sal_Int8 > SAL_CALL finalizeCipherContextAndDispose(  ) override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/nss/digestcontext.hxx b/xmlsecurity/source/xmlsec/nss/digestcontext.hxx
index 2f41862a815d..91326daca395 100644
--- a/xmlsecurity/source/xmlsec/nss/digestcontext.hxx
+++ b/xmlsecurity/source/xmlsec/nss/digestcontext.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_DIGESTCONTEXT_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_DIGESTCONTEXT_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/XDigestContext.hpp>
 
@@ -57,6 +56,4 @@ public:
     virtual css::uno::Sequence< ::sal_Int8 > SAL_CALL finalizeDigestAndDispose() override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/nss/nssinitializer.hxx b/xmlsecurity/source/xmlsec/nss/nssinitializer.hxx
index fadda65e7ddc..f0c731560ab3 100644
--- a/xmlsecurity/source/xmlsec/nss/nssinitializer.hxx
+++ b/xmlsecurity/source/xmlsec/nss/nssinitializer.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_NSSINITIALIZER_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_NSSINITIALIZER_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/XNSSInitializer.hpp>
 #include <com/sun/star/lang/XServiceInfo.hpp>
@@ -66,6 +65,4 @@ public:
     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/nss/nssrenam.h b/xmlsecurity/source/xmlsec/nss/nssrenam.h
index 411f279e06c5..47280408b790 100644
--- a/xmlsecurity/source/xmlsec/nss/nssrenam.h
+++ b/xmlsecurity/source/xmlsec/nss/nssrenam.h
@@ -32,13 +32,10 @@
  * GPL.
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_NSSRENAM_H
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_NSSRENAM_H
+#pragma once
 
 #define CERT_NewTempCertificate __CERT_NewTempCertificate
 #define PK11_GetKeyData __PK11_GetKeyData
 #define CERT_DecodeDERCertificate __CERT_DecodeDERCertificate
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_NSSRENAM_H
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/nss/sanextension_nssimpl.hxx b/xmlsecurity/source/xmlsec/nss/sanextension_nssimpl.hxx
index 857aa6cc42ff..3716d414e5b3 100644
--- a/xmlsecurity/source/xmlsec/nss/sanextension_nssimpl.hxx
+++ b/xmlsecurity/source/xmlsec/nss/sanextension_nssimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_SANEXTENSION_NSSIMPL_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_SANEXTENSION_NSSIMPL_HXX
+#pragma once
 
 #include <sal/config.h>
 #include <cppuhelper/implbase.hxx>
@@ -63,6 +62,4 @@ class SanExtensionImpl : public ::cppu::WeakImplHelper<
         virtual css::uno::Sequence< css::security::CertAltNameEntry > SAL_CALL getAlternativeNames() override ;
 } ;
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_SANEXTENSION_NSSIMPL_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/nss/secerror.hxx b/xmlsecurity/source/xmlsec/nss/secerror.hxx
index c4d38f6d26fa..bd59078262d5 100644
--- a/xmlsecurity/source/xmlsec/nss/secerror.hxx
+++ b/xmlsecurity/source/xmlsec/nss/secerror.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_SECERROR_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_SECERROR_HXX
+#pragma once
 
 #include <sal/config.h>
 
@@ -28,6 +27,5 @@
 const char* getCertError(PRErrorCode errNum);
 
 void printChainFailure(CERTVerifyLog* log);
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_SECERROR_HXX
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/nss/securityenvironment_nssimpl.hxx b/xmlsecurity/source/xmlsec/nss/securityenvironment_nssimpl.hxx
index d29e4a24f90b..f2f04d1bef07 100644
--- a/xmlsecurity/source/xmlsec/nss/securityenvironment_nssimpl.hxx
+++ b/xmlsecurity/source/xmlsec/nss/securityenvironment_nssimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_SECURITYENVIRONMENT_NSSIMPL_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_SECURITYENVIRONMENT_NSSIMPL_HXX
+#pragma once
 
 #include <sal/config.h>
 #include <rtl/ustring.hxx>
@@ -144,6 +143,4 @@ private:
           void addCryptoSlot( PK11SlotInfo* aSlot ) ;
 } ;
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_SECURITYENVIRONMENT_NSSIMPL_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/nss/seinitializer_nssimpl.hxx b/xmlsecurity/source/xmlsec/nss/seinitializer_nssimpl.hxx
index ec6742529306..f078f387afda 100644
--- a/xmlsecurity/source/xmlsec/nss/seinitializer_nssimpl.hxx
+++ b/xmlsecurity/source/xmlsec/nss/seinitializer_nssimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_SEINITIALIZER_NSSIMPL_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_SEINITIALIZER_NSSIMPL_HXX
+#pragma once
 
 #include <com/sun/star/xml/crypto/XSEInitializer.hpp>
 
@@ -53,6 +52,4 @@ public:
     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/nss/x509certificate_nssimpl.hxx b/xmlsecurity/source/xmlsec/nss/x509certificate_nssimpl.hxx
index 35cd393f2034..dbfb6c6b07ed 100644
--- a/xmlsecurity/source/xmlsec/nss/x509certificate_nssimpl.hxx
+++ b/xmlsecurity/source/xmlsec/nss/x509certificate_nssimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_X509CERTIFICATE_NSSIMPL_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_X509CERTIFICATE_NSSIMPL_HXX
+#pragma once
 
 #include <sal/config.h>
 #include <rtl/ustring.hxx>
@@ -102,6 +101,4 @@ class X509Certificate_NssImpl : public ::cppu::WeakImplHelper<
         virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
 } ;
 
-#endif // INCLUDED_XMLSECURITY_SOURCE_XMLSEC_NSS_X509CERTIFICATE_NSSIMPL_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/source/xmlsec/xmlelementwrapper_xmlsecimpl.hxx b/xmlsecurity/source/xmlsec/xmlelementwrapper_xmlsecimpl.hxx
index d17e2f49ccc6..4e3f44527d62 100644
--- a/xmlsecurity/source/xmlsec/xmlelementwrapper_xmlsecimpl.hxx
+++ b/xmlsecurity/source/xmlsec/xmlelementwrapper_xmlsecimpl.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_XMLSECURITY_SOURCE_XMLSEC_XMLELEMENTWRAPPER_XMLSECIMPL_HXX
-#define INCLUDED_XMLSECURITY_SOURCE_XMLSEC_XMLELEMENTWRAPPER_XMLSECIMPL_HXX
+#pragma once
 
 #include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp>
 #include <com/sun/star/lang/XUnoTunnel.hpp>
@@ -77,6 +76,4 @@ public:
     xmlNodePtr getNativeElement( ) const { return m_pElement;}
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */