diff --git a/django/core/cache/backends/redis.py b/django/core/cache/backends/redis.py
index 99cdd594ca..cb55be71c2 100644
--- a/django/core/cache/backends/redis.py
+++ b/django/core/cache/backends/redis.py
@@ -222,10 +222,7 @@ class RedisCache(BaseCache):
         return []
 
     def delete_many(self, keys, version=None):
-        safe_keys = []
-        for key in keys:
-            key = self.make_and_validate_key(key, version=version)
-            safe_keys.append(key)
+        safe_keys = [self.make_and_validate_key(key, version=version) for key in keys]
         self._cache.delete_many(safe_keys)
 
     def clear(self):