diff --git a/tests/asserthelper.h b/tests/asserthelper.h
index ce8c9c6a29..ce1d1fba2a 100644
--- a/tests/asserthelper.h
+++ b/tests/asserthelper.h
@@ -29,16 +29,11 @@ namespace wxTestPrivate
     std::ostream& operator<<(std::ostream& os, const ColourChannel& cc);
 } // wxTestPrivate namespace
 
-// this operator is needed to use CPPUNIT_ASSERT_EQUAL with wxColour objects
+// Operators used to show the values of the corresponding types when comparing
+// them in the unit tests fails.
 std::ostream& operator<<(std::ostream& os, const wxColour& c);
-
-// this operator is needed to use CPPUNIT_ASSERT_EQUAL with wxSize objects
 std::ostream& operator<<(std::ostream& os, const wxSize& s);
-
-// this operator is needed to use CPPUNIT_ASSERT_EQUAL with wxFont objects
 std::ostream& operator<<(std::ostream& os, const wxFont& f);
-
-// this operator is needed to use CPPUNIT_ASSERT_EQUAL with wxPoint objects
 std::ostream& operator<<(std::ostream& os, const wxPoint& p);
 
 #endif