diff --git a/bin/rndc/unix/.cvsignore b/bin/rndc/unix/.cvsignore
new file mode 100644
index 0000000000..f3c7a7c5da
--- /dev/null
+++ b/bin/rndc/unix/.cvsignore
@@ -0,0 +1 @@
+Makefile
diff --git a/lib/export/isc/nothreads/.cvsignore b/lib/export/isc/nothreads/.cvsignore
new file mode 100644
index 0000000000..f3c7a7c5da
--- /dev/null
+++ b/lib/export/isc/nothreads/.cvsignore
@@ -0,0 +1 @@
+Makefile
diff --git a/lib/export/isc/nothreads/include/.cvsignore b/lib/export/isc/nothreads/include/.cvsignore
new file mode 100644
index 0000000000..f3c7a7c5da
--- /dev/null
+++ b/lib/export/isc/nothreads/include/.cvsignore
@@ -0,0 +1 @@
+Makefile
diff --git a/lib/export/isc/nothreads/include/isc/.cvsignore b/lib/export/isc/nothreads/include/isc/.cvsignore
new file mode 100644
index 0000000000..f3c7a7c5da
--- /dev/null
+++ b/lib/export/isc/nothreads/include/isc/.cvsignore
@@ -0,0 +1 @@
+Makefile