3 files changed, 8 insertions, 5 deletions
diff --git a/include/tools/errinf.hxx b/include/tools/errinf.hxx
index 950a65ec5ea9..28c1c260f18c 100644
--- a/include/tools/errinf.hxx
+++ b/include/tools/errinf.hxx
@@ -26,6 +26,7 @@
 #include <rtl/ustring.hxx>
 #include <tools/errcode.hxx>
 #include <tools/toolsdllapi.h>
+#include <memory>
 
 // FIXME: horrible legacy dependency on VCL from tools.
 namespace vcl { class Window; }
@@ -54,7 +55,7 @@ class TOOLS_DLLPUBLIC DynamicErrorInfo : public ErrorInfo
     friend class EDcr_Impl;
 
 private:
-    EDcr_Impl*              pImpl;
+    std::unique_ptr<EDcr_Impl>   pImpl;
 
 public:
 
@@ -117,7 +118,7 @@ class TOOLS_DLLPUBLIC ErrorContext
     friend class ErrorHandler;
 
 private:
-    ErrorContextImpl *pImpl;
+    std::unique_ptr<ErrorContextImpl> pImpl;
 
 public:
                             ErrorContext(vcl::Window *pWin=nullptr);
@@ -140,7 +141,7 @@ class TOOLS_DLLPUBLIC ErrorHandler
     friend class ErrHdl_Impl;
 
 private:
-    ErrHdl_Impl*        pImpl;
+    std::unique_ptr<ErrHdl_Impl>  pImpl;
 
     static sal_uInt16   HandleError_Impl( sal_uIntPtr lId,
                               sal_uInt16 nFlags,
diff --git a/include/tools/fract.hxx b/include/tools/fract.hxx
index 93663aca8ad2..efa7a17dc028 100644
--- a/include/tools/fract.hxx
+++ b/include/tools/fract.hxx
@@ -21,6 +21,7 @@
 
 #include <sal/types.h>
 #include <tools/toolsdllapi.h>
+#include <memory>
 
 class SvStream;
 
@@ -30,7 +31,7 @@ class TOOLS_DLLPUBLIC SAL_WARN_UNUSED Fraction
 {
     struct Impl;
 
-    Impl* mpImpl;
+    std::unique_ptr<Impl> mpImpl;
 
     bool            HasOverflowValue();
 
diff --git a/include/tools/resary.hxx b/include/tools/resary.hxx
index 4e15feb5ee08..0cec8eb351b8 100644
--- a/include/tools/resary.hxx
+++ b/include/tools/resary.hxx
@@ -21,6 +21,7 @@
 
 #include <tools/toolsdllapi.h>
 #include <rtl/ustring.hxx>
+#include <memory>
 
 #define RESARRAY_INDEX_NOTFOUND (0xffffffff)
 
@@ -29,7 +30,7 @@ class ResId;
 class TOOLS_DLLPUBLIC ResStringArray
 {
     struct Impl;
-    Impl* mpImpl;
+    std::unique_ptr<Impl> mpImpl;
 
     ResStringArray( const ResStringArray& ) = delete;
     ResStringArray& operator=( const ResStringArray& ) = delete;