diff --git a/puppet/services/memcached.yaml b/puppet/services/memcached.yaml
index 39d840e408..1249474f21 100644
--- a/puppet/services/memcached.yaml
+++ b/puppet/services/memcached.yaml
@@ -63,7 +63,6 @@ conditions:
     or:
       - equals: [{get_param: MemcachedDebug}, 'true']
       - equals: [{get_param: MemcachedDebug}, 'True']
-      - equals: [{get_param: Debug}, true]
 
 outputs:
   role_data:
diff --git a/releasenotes/notes/Need-explicit-memcacheddebug-to-activate-memcached-debug.-41cfa69d4537cbd7.yaml b/releasenotes/notes/Need-explicit-memcacheddebug-to-activate-memcached-debug.-41cfa69d4537cbd7.yaml
new file mode 100644
index 0000000000..1b1ecb0480
--- /dev/null
+++ b/releasenotes/notes/Need-explicit-memcacheddebug-to-activate-memcached-debug.-41cfa69d4537cbd7.yaml
@@ -0,0 +1,5 @@
+---
+deprecations:
+  - |
+    The Debug parameter do not activate Memcached debug anymore.  You
+    have to pass MemcachedDebug explicitly.