diff --git a/lib/cylc/cfgspec/suite.py b/lib/cylc/cfgspec/suite.py
index a5d7a8a8d59..d0fe7a7ac93 100644
--- a/lib/cylc/cfgspec/suite.py
+++ b/lib/cylc/cfgspec/suite.py
@@ -482,10 +482,6 @@ def upg(cfg, descr):
         '6.11.0',
         ['runtime', '__MANY__', 'job', 'command template'],
         ['runtime', '__MANY__', 'job', 'batch submit command template'])
-    u.deprecate(
-        '6.11.0',
-        ['runtime', '__MANY__', 'job', 'shell'],
-        ['runtime', '__MANY__', 'job', 'shell'])
     u.deprecate(
         '6.11.0',
         ['runtime', '__MANY__', 'job', 'retry delays'],