diff --git a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb
index 78fffaff6e202..0ee61d0b6f439 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb
@@ -57,14 +57,6 @@ def select_all(*args)
         end
       end
 
-      def columns(*)
-        if @query_cache_enabled
-          @query_cache["SHOW FIELDS FROM #{args.first}"] ||= super
-        else
-          super
-        end
-      end
-
       private
         def cache_sql(sql)
           result =