diff --git a/src/common/jsonapi.c b/src/common/jsonapi.c
index 12fabcaccf..fc0cb36974 100644
--- a/src/common/jsonapi.c
+++ b/src/common/jsonapi.c
@@ -50,16 +50,16 @@ typedef enum					/* contexts of JSON parser */
  * tokens, non-terminals, and semantic action markers.
  */
 
-typedef enum
+enum JsonNonTerminal
 {
 	JSON_NT_JSON = 32,
 	JSON_NT_ARRAY_ELEMENTS,
 	JSON_NT_MORE_ARRAY_ELEMENTS,
 	JSON_NT_KEY_PAIRS,
 	JSON_NT_MORE_KEY_PAIRS,
-} JsonNonTerminal;
+};
 
-typedef enum
+enum JsonParserSem
 {
 	JSON_SEM_OSTART = 64,
 	JSON_SEM_OEND,
@@ -72,7 +72,7 @@ typedef enum
 	JSON_SEM_AELEM_END,
 	JSON_SEM_SCALAR_INIT,
 	JSON_SEM_SCALAR_CALL,
-} JsonParserSem;
+};
 
 /*
  * struct containing the 3 stacks used in non-recursive parsing,
diff --git a/src/tools/pgindent/typedefs.list b/src/tools/pgindent/typedefs.list
index 90a7c389b2..e10ff28ee5 100644
--- a/src/tools/pgindent/typedefs.list
+++ b/src/tools/pgindent/typedefs.list
@@ -1312,14 +1312,12 @@ JsonManifestParseIncrementalState
 JsonManifestParseState
 JsonManifestSemanticState
 JsonManifestWALRangeField
-JsonNonTerminal
 JsonObjectAgg
 JsonObjectConstructor
 JsonOutput
 JsonParseExpr
 JsonParseContext
 JsonParseErrorType
-JsonParserSem
 JsonParserStack
 JsonPath
 JsonPathBool