diff --git a/roles/base/tasks/main.yml b/roles/base/tasks/main.yml
index e5d4156bab..0160427d41 100644
--- a/roles/base/tasks/main.yml
+++ b/roles/base/tasks/main.yml
@@ -466,6 +466,13 @@
   - base
   - cdc_ether
 
+# Remove old filename for above: remove this when we're pretty sure the file's
+# gone from all hosts
+- name: Remove old cdc_ether config file
+  file:
+    path: /etc/modprobe.d/blacklist-cdc_ether.conf
+    state: absent
+
 #
 # Watchdog stuff
 #