diff --git a/sal/qa/rtl/strings/test_oustring_compare.cxx b/sal/qa/rtl/strings/test_oustring_compare.cxx
index 80eadaf645ac..e8f733455e55 100644
--- a/sal/qa/rtl/strings/test_oustring_compare.cxx
+++ b/sal/qa/rtl/strings/test_oustring_compare.cxx
@@ -31,7 +31,6 @@
 
 #include <cppunit/TestFixture.h>
 #include <cppunit/extensions/HelperMacros.h>
-//#include <cppunit/plugin/TestPlugIn.h>
 #include "rtl/string.h"
 #include "rtl/ustring.hxx"
 
diff --git a/sal/qa/rtl/strings/test_oustringbuffer_utf32.cxx b/sal/qa/rtl/strings/test_oustringbuffer_utf32.cxx
index e0d756b1f4d7..46b48f12d3f6 100644
--- a/sal/qa/rtl/strings/test_oustringbuffer_utf32.cxx
+++ b/sal/qa/rtl/strings/test_oustringbuffer_utf32.cxx
@@ -32,7 +32,6 @@
 #include <cppunit/TestFixture.h>
 #include <cppunit/TestAssert.h>
 #include <cppunit/extensions/HelperMacros.h>
-#include <cppunit/plugin/TestPlugIn.h>
 #include "rtl/ustrbuf.hxx"
 #include "rtl/ustring.h"
 #include "rtl/ustring.hxx"