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 8a2888a49a..819e016262 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb
@@ -133,7 +133,6 @@ module ActiveRecord
             binds: binds,
             type_casted_binds: -> { type_casted_binds(binds) },
             name: name,
-            connection_id: object_id,
             connection: self,
             cached: true
           }