diff --git a/reactos/lib/rosrtl/registry/.cvsignore b/reactos/lib/rosrtl/registry/.cvsignore
new file mode 100644
index 00000000000..31dc3078b3a
--- /dev/null
+++ b/reactos/lib/rosrtl/registry/.cvsignore
@@ -0,0 +1,2 @@
+*.d
+*.o
diff --git a/reactos/lib/rosrtl/string/.cvsignore b/reactos/lib/rosrtl/string/.cvsignore
new file mode 100644
index 00000000000..31dc3078b3a
--- /dev/null
+++ b/reactos/lib/rosrtl/string/.cvsignore
@@ -0,0 +1,2 @@
+*.d
+*.o