3 files changed, 13 insertions, 8 deletions
diff --git a/include/oox/mathml/export.hxx b/include/oox/mathml/export.hxx
index 20b6b21da53a..571133755e4b 100644
--- a/include/oox/mathml/export.hxx
+++ b/include/oox/mathml/export.hxx
@@ -9,11 +9,12 @@
 #ifndef INCLUDED_OOX_MATHML_EXPORT_HXX
 #define INCLUDED_OOX_MATHML_EXPORT_HXX
 
-#include <sax/fshelper.hxx>
-#include <rtl/strbuf.hxx>
 #include <oox/core/filterbase.hxx>
-#include <oox/export/utils.hxx>
 #include <oox/dllapi.h>
+#include <oox/export/utils.hxx>
+#include <rtl/strbuf.hxx>
+#include <rtl/textenc.h>
+#include <sax/fshelper.hxx>
 
 namespace oox
 {
diff --git a/include/oox/mathml/import.hxx b/include/oox/mathml/import.hxx
index b2ed99b55053..92db9a837a70 100644
--- a/include/oox/mathml/import.hxx
+++ b/include/oox/mathml/import.hxx
@@ -10,10 +10,8 @@
 #define INCLUDED_OOX_MATHML_IMPORT_HXX
 
 #include <oox/dllapi.h>
-
-#include <tools/gen.hxx>
-
 #include <rtl/ref.hxx>
+#include <tools/gen.hxx>
 
 namespace oox
 {
diff --git a/include/oox/mathml/importutils.hxx b/include/oox/mathml/importutils.hxx
index 2ec7af716a7c..bdfdf7cd2fa1 100644
--- a/include/oox/mathml/importutils.hxx
+++ b/include/oox/mathml/importutils.hxx
@@ -9,12 +9,18 @@
 #ifndef INCLUDED_OOX_MATHML_IMPORTUTILS_HXX
 #define INCLUDED_OOX_MATHML_IMPORTUTILS_HXX
 
-#include <com/sun/star/xml/sax/XFastAttributeList.hpp>
-#include <oox/token/tokens.hxx>
 #include <map>
 #include <vector>
 
+#include <com/sun/star/uno/Reference.hxx>
 #include <oox/dllapi.h>
+#include <oox/token/tokens.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+
+namespace com { namespace sun { namespace star {
+    namespace xml { namespace sax { class XFastAttributeList; } }
+} } }
 
 namespace oox
 {