diff --git a/vcl/inc/pdf/BitmapID.hxx b/vcl/inc/pdf/BitmapID.hxx
index cedc5790338f..afc9aff9fcf6 100644
--- a/vcl/inc/pdf/BitmapID.hxx
+++ b/vcl/inc/pdf/BitmapID.hxx
@@ -8,8 +8,7 @@
  *
  */
 
-#ifndef INCLUDED_VCL_INC_PDF_BITMAPID_HXX
-#define INCLUDED_VCL_INC_PDF_BITMAPID_HXX
+#pragma once
 
 #include <vcl/dllapi.h>
 #include <vcl/checksum.hxx>
@@ -39,6 +38,4 @@ struct BitmapID
 };
 }
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/pdf/Matrix3.hxx b/vcl/inc/pdf/Matrix3.hxx
index c36332015c13..795b2af4be52 100644
--- a/vcl/inc/pdf/Matrix3.hxx
+++ b/vcl/inc/pdf/Matrix3.hxx
@@ -8,8 +8,7 @@
  *
  */
 
-#ifndef INCLUDED_VCL_INC_PDF_MATRIX3_HXX
-#define INCLUDED_VCL_INC_PDF_MATRIX3_HXX
+#pragma once
 
 #include <vcl/dllapi.h>
 #include <tools/gen.hxx>
@@ -49,6 +48,4 @@ public:
 };
 }
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/pdf/ResourceDict.hxx b/vcl/inc/pdf/ResourceDict.hxx
index 488a821db79c..57ecb8e0f33f 100644
--- a/vcl/inc/pdf/ResourceDict.hxx
+++ b/vcl/inc/pdf/ResourceDict.hxx
@@ -8,8 +8,7 @@
  *
  */
 
-#ifndef INCLUDED_VCL_INC_PDF_RESOURCEDICT_HXX
-#define INCLUDED_VCL_INC_PDF_RESOURCEDICT_HXX
+#pragma once
 
 #include <vcl/dllapi.h>
 #include <rtl/strbuf.hxx>
@@ -37,6 +36,4 @@ struct ResourceDict
 };
 }
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/pdf/XmpMetadata.hxx b/vcl/inc/pdf/XmpMetadata.hxx
index cc3f8da1a34c..ae3ffadcd847 100644
--- a/vcl/inc/pdf/XmpMetadata.hxx
+++ b/vcl/inc/pdf/XmpMetadata.hxx
@@ -8,8 +8,7 @@
  *
  */
 
-#ifndef INCLUDED_VCL_INC_PDF_XMPMETADATA_HXX
-#define INCLUDED_VCL_INC_PDF_XMPMETADATA_HXX
+#pragma once
 
 #include <vcl/dllapi.h>
 #include <rtl/string.hxx>
@@ -43,6 +42,4 @@ private:
 };
 }
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */