diff --git a/c/src/lib/libbsp/i960/i960sim/clock/.cvsignore b/c/src/lib/libbsp/i960/i960sim/clock/.cvsignore
new file mode 100644
index 0000000000..282522db03
--- /dev/null
+++ b/c/src/lib/libbsp/i960/i960sim/clock/.cvsignore
@@ -0,0 +1,2 @@
+Makefile
+Makefile.in