diff --git a/Makefile b/Makefile
index 10e9ba2..b9a349b 100644
--- a/Makefile
+++ b/Makefile
@@ -303,14 +303,7 @@ tests:		$(LIB) $(BIN) $(BIN)/CPPMain $(BIN)/CPPNearTreeTest \
 			$(BIN)/CMain 3458923 > $(TESTDATA)/CMain.lst
 			$(BIN)/CPPNearTreeTest
 			$(BIN)/CNearTreeTest
-ifneq ($(MSYSTEM),MINGW32)
-			diff -b -c $(TESTDATA)/CPPMain_orig.lst $(TESTDATA)/CPPMain.lst
-			diff -b -c $(TESTDATA)/CMain_orig.lst $(TESTDATA)/CMain.lst
-else
-			diff -b -c $(TESTDATA)/CPPMain_MINGW_orig.lst $(TESTDATA)/CPPMain.lst
-			diff -b -c $(TESTDATA)/CMain_MINGW_orig.lst $(TESTDATA)/CMain.lst
-endif
-			
+
 #
 # Remove all non-source files
 #