diff --git a/reactos/lib/winmm/.cvsignore b/reactos/lib/winmm/.cvsignore
new file mode 100644
index 00000000000..a6baf4cd314
--- /dev/null
+++ b/reactos/lib/winmm/.cvsignore
@@ -0,0 +1,4 @@
+*.coff
+*.dll
+*.o
+*.sym