diff --git a/php/ext/google/protobuf/php-upb.h b/php/ext/google/protobuf/php-upb.h
index 153345b4ff..e048e505a2 100644
--- a/php/ext/google/protobuf/php-upb.h
+++ b/php/ext/google/protobuf/php-upb.h
@@ -1009,8 +1009,84 @@ UPB_API void* upb_Array_MutableDataPtr(upb_Array* arr);
 #define UPB_MINI_TABLE_MESSAGE_H_
 
 
-#ifndef UPB_MINI_TABLE_INTERNAL_MESSAGE_H_
-#define UPB_MINI_TABLE_INTERNAL_MESSAGE_H_
+#ifndef UPB_MINI_TABLE_ENUM_H_
+#define UPB_MINI_TABLE_ENUM_H_
+
+#include <stdint.h>
+
+
+#ifndef UPB_MINI_TABLE_INTERNAL_ENUM_H_
+#define UPB_MINI_TABLE_INTERNAL_ENUM_H_
+
+#include <stdint.h>
+
+// Must be last.
+
+struct upb_MiniTableEnum {
+  uint32_t UPB_PRIVATE(mask_limit);   // Highest that can be tested with mask.
+  uint32_t UPB_PRIVATE(value_count);  // Number of values after the bitfield.
+  uint32_t UPB_PRIVATE(data)[];       // Bitmask + enumerated values follow.
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+UPB_INLINE bool UPB_PRIVATE(_upb_MiniTableEnum_CheckValue)(
+    const struct upb_MiniTableEnum* e, uint32_t val) {
+  if (UPB_LIKELY(val < 64)) {
+    const uint64_t mask =
+        e->UPB_PRIVATE(data)[0] | ((uint64_t)e->UPB_PRIVATE(data)[1] << 32);
+    const uint64_t bit = 1ULL << val;
+    return (mask & bit) != 0;
+  }
+  if (UPB_LIKELY(val < e->UPB_PRIVATE(mask_limit))) {
+    const uint32_t mask = e->UPB_PRIVATE(data)[val / 32];
+    const uint32_t bit = 1ULL << (val % 32);
+    return (mask & bit) != 0;
+  }
+
+  // OPT: binary search long lists?
+  const uint32_t* start =
+      &e->UPB_PRIVATE(data)[e->UPB_PRIVATE(mask_limit) / 32];
+  const uint32_t* limit = &e->UPB_PRIVATE(
+      data)[e->UPB_PRIVATE(mask_limit) / 32 + e->UPB_PRIVATE(value_count)];
+  for (const uint32_t* p = start; p < limit; p++) {
+    if (*p == val) return true;
+  }
+  return false;
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+
+#endif /* UPB_MINI_TABLE_INTERNAL_ENUM_H_ */
+
+// Must be last
+
+typedef struct upb_MiniTableEnum upb_MiniTableEnum;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Validates enum value against range defined by enum mini table.
+UPB_INLINE bool upb_MiniTableEnum_CheckValue(const upb_MiniTableEnum* e,
+                                             uint32_t val) {
+  return UPB_PRIVATE(_upb_MiniTableEnum_CheckValue)(e, val);
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+
+#endif /* UPB_MINI_TABLE_ENUM_H_ */
+
+#ifndef UPB_MINI_TABLE_FIELD_H_
+#define UPB_MINI_TABLE_FIELD_H_
 
 #include <stdint.h>
 
@@ -1290,6 +1366,80 @@ UPB_INLINE size_t UPB_PRIVATE(_upb_MiniTableField_ElemSizeLg2)(
 
 #endif /* UPB_MINI_TABLE_INTERNAL_FIELD_H_ */
 
+// Must be last.
+
+typedef struct upb_MiniTableField upb_MiniTableField;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+UPB_API_INLINE upb_CType upb_MiniTableField_CType(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_CType)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_HasPresence(
+    const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_HasPresence)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsArray(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsArray)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsClosedEnum(
+    const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsClosedEnum)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsExtension(
+    const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsExtension)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsInOneof(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsInOneof)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsMap(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsMap)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsPacked(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsPacked)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsScalar(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsScalar)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsSubMessage(
+    const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsSubMessage)(f);
+}
+
+UPB_API_INLINE uint32_t upb_MiniTableField_Number(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_Number)(f);
+}
+
+UPB_API_INLINE upb_FieldType
+upb_MiniTableField_Type(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_Type)(f);
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+
+#endif /* UPB_MINI_TABLE_FIELD_H_ */
+
+#ifndef UPB_MINI_TABLE_INTERNAL_MESSAGE_H_
+#define UPB_MINI_TABLE_INTERNAL_MESSAGE_H_
+
+#include <stdint.h>
+
+
 #ifndef UPB_MINI_TABLE_INTERNAL_SUB_H_
 #define UPB_MINI_TABLE_INTERNAL_SUB_H_
 
@@ -1479,22 +1629,9 @@ UPB_PRIVATE(_upb_MiniTable_RequiredMask)(const struct upb_MiniTable* m) {
 
 #endif /* UPB_MINI_TABLE_INTERNAL_MESSAGE_H_ */
 
-#ifndef UPB_MINI_TABLE_TYPES_H_
-#define UPB_MINI_TABLE_TYPES_H_
-
-// Minitable types are recursively defined so declare them all together here.
+// Must be last.
 
 typedef struct upb_MiniTable upb_MiniTable;
-typedef struct upb_MiniTableEnum upb_MiniTableEnum;
-typedef struct upb_MiniTableExtension upb_MiniTableExtension;
-typedef struct upb_MiniTableField upb_MiniTableField;
-typedef struct upb_MiniTableFile upb_MiniTableFile;
-
-typedef union upb_MiniTableSub upb_MiniTableSub;
-
-#endif /* UPB_MINI_TABLE_TYPES_H_ */
-
-// Must be last.
 
 #ifdef __cplusplus
 extern "C" {
@@ -1654,6 +1791,8 @@ UPB_INLINE void UPB_PRIVATE(_upb_MiniTableExtension_SetSubMessage)(
 
 // Must be last.
 
+typedef struct upb_MiniTableExtension upb_MiniTableExtension;
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -2391,78 +2530,6 @@ bool UPB_PRIVATE(_upb_Message_Realloc)(upb_Message* msg, size_t need,
 
 #endif /* UPB_MESSAGE_INTERNAL_H_ */
 
-#ifndef UPB_MINI_TABLE_FIELD_H_
-#define UPB_MINI_TABLE_FIELD_H_
-
-#include <stdint.h>
-
-
-// Must be last.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-UPB_API_INLINE upb_CType upb_MiniTableField_CType(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_CType)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_HasPresence(
-    const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_HasPresence)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsArray(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsArray)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsClosedEnum(
-    const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsClosedEnum)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsExtension(
-    const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsExtension)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsInOneof(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsInOneof)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsMap(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsMap)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsPacked(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsPacked)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsScalar(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsScalar)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsSubMessage(
-    const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsSubMessage)(f);
-}
-
-UPB_API_INLINE uint32_t upb_MiniTableField_Number(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_Number)(f);
-}
-
-UPB_API_INLINE upb_FieldType
-upb_MiniTableField_Type(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_Type)(f);
-}
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-
-#endif /* UPB_MINI_TABLE_FIELD_H_ */
-
 // Must be last.
 
 #if defined(__GNUC__) && !defined(__clang__)
@@ -2912,86 +2979,14 @@ UPB_INLINE void UPB_PRIVATE(_upb_Array_Set)(upb_Array* array, size_t i,
 
 #endif /* UPB_MESSAGE_INTERNAL_ARRAY_H_ */
 
-#ifndef UPB_MINI_TABLE_ENUM_H_
-#define UPB_MINI_TABLE_ENUM_H_
-
-#include <stdint.h>
-
-
-#ifndef UPB_MINI_TABLE_INTERNAL_ENUM_H_
-#define UPB_MINI_TABLE_INTERNAL_ENUM_H_
-
-#include <stdint.h>
-
-// Must be last.
-
-struct upb_MiniTableEnum {
-  uint32_t UPB_PRIVATE(mask_limit);   // Highest that can be tested with mask.
-  uint32_t UPB_PRIVATE(value_count);  // Number of values after the bitfield.
-  uint32_t UPB_PRIVATE(data)[];       // Bitmask + enumerated values follow.
-};
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-UPB_INLINE bool UPB_PRIVATE(_upb_MiniTableEnum_CheckValue)(
-    const struct upb_MiniTableEnum* e, uint32_t val) {
-  if (UPB_LIKELY(val < 64)) {
-    const uint64_t mask =
-        e->UPB_PRIVATE(data)[0] | ((uint64_t)e->UPB_PRIVATE(data)[1] << 32);
-    const uint64_t bit = 1ULL << val;
-    return (mask & bit) != 0;
-  }
-  if (UPB_LIKELY(val < e->UPB_PRIVATE(mask_limit))) {
-    const uint32_t mask = e->UPB_PRIVATE(data)[val / 32];
-    const uint32_t bit = 1ULL << (val % 32);
-    return (mask & bit) != 0;
-  }
-
-  // OPT: binary search long lists?
-  const uint32_t* start =
-      &e->UPB_PRIVATE(data)[e->UPB_PRIVATE(mask_limit) / 32];
-  const uint32_t* limit = &e->UPB_PRIVATE(
-      data)[e->UPB_PRIVATE(mask_limit) / 32 + e->UPB_PRIVATE(value_count)];
-  for (const uint32_t* p = start; p < limit; p++) {
-    if (*p == val) return true;
-  }
-  return false;
-}
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-
-#endif /* UPB_MINI_TABLE_INTERNAL_ENUM_H_ */
-
-// Must be last
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// Validates enum value against range defined by enum mini table.
-UPB_INLINE bool upb_MiniTableEnum_CheckValue(const upb_MiniTableEnum* e,
-                                             uint32_t val) {
-  return UPB_PRIVATE(_upb_MiniTableEnum_CheckValue)(e, val);
-}
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-
-#endif /* UPB_MINI_TABLE_ENUM_H_ */
-
 #ifndef UPB_MINI_TABLE_SUB_H_
 #define UPB_MINI_TABLE_SUB_H_
 
 
 // Must be last.
 
+typedef union upb_MiniTableSub upb_MiniTableSub;
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -3844,6 +3839,8 @@ UPB_INLINE const struct upb_MiniTable* UPB_PRIVATE(_upb_MiniTableFile_Message)(
 
 // Must be last.
 
+typedef struct upb_MiniTableFile upb_MiniTableFile;
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/ruby/ext/google/protobuf_c/ruby-upb.h b/ruby/ext/google/protobuf_c/ruby-upb.h
index 4e0c097700..55f35955d2 100755
--- a/ruby/ext/google/protobuf_c/ruby-upb.h
+++ b/ruby/ext/google/protobuf_c/ruby-upb.h
@@ -1011,8 +1011,84 @@ UPB_API void* upb_Array_MutableDataPtr(upb_Array* arr);
 #define UPB_MINI_TABLE_MESSAGE_H_
 
 
-#ifndef UPB_MINI_TABLE_INTERNAL_MESSAGE_H_
-#define UPB_MINI_TABLE_INTERNAL_MESSAGE_H_
+#ifndef UPB_MINI_TABLE_ENUM_H_
+#define UPB_MINI_TABLE_ENUM_H_
+
+#include <stdint.h>
+
+
+#ifndef UPB_MINI_TABLE_INTERNAL_ENUM_H_
+#define UPB_MINI_TABLE_INTERNAL_ENUM_H_
+
+#include <stdint.h>
+
+// Must be last.
+
+struct upb_MiniTableEnum {
+  uint32_t UPB_PRIVATE(mask_limit);   // Highest that can be tested with mask.
+  uint32_t UPB_PRIVATE(value_count);  // Number of values after the bitfield.
+  uint32_t UPB_PRIVATE(data)[];       // Bitmask + enumerated values follow.
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+UPB_INLINE bool UPB_PRIVATE(_upb_MiniTableEnum_CheckValue)(
+    const struct upb_MiniTableEnum* e, uint32_t val) {
+  if (UPB_LIKELY(val < 64)) {
+    const uint64_t mask =
+        e->UPB_PRIVATE(data)[0] | ((uint64_t)e->UPB_PRIVATE(data)[1] << 32);
+    const uint64_t bit = 1ULL << val;
+    return (mask & bit) != 0;
+  }
+  if (UPB_LIKELY(val < e->UPB_PRIVATE(mask_limit))) {
+    const uint32_t mask = e->UPB_PRIVATE(data)[val / 32];
+    const uint32_t bit = 1ULL << (val % 32);
+    return (mask & bit) != 0;
+  }
+
+  // OPT: binary search long lists?
+  const uint32_t* start =
+      &e->UPB_PRIVATE(data)[e->UPB_PRIVATE(mask_limit) / 32];
+  const uint32_t* limit = &e->UPB_PRIVATE(
+      data)[e->UPB_PRIVATE(mask_limit) / 32 + e->UPB_PRIVATE(value_count)];
+  for (const uint32_t* p = start; p < limit; p++) {
+    if (*p == val) return true;
+  }
+  return false;
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+
+#endif /* UPB_MINI_TABLE_INTERNAL_ENUM_H_ */
+
+// Must be last
+
+typedef struct upb_MiniTableEnum upb_MiniTableEnum;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Validates enum value against range defined by enum mini table.
+UPB_INLINE bool upb_MiniTableEnum_CheckValue(const upb_MiniTableEnum* e,
+                                             uint32_t val) {
+  return UPB_PRIVATE(_upb_MiniTableEnum_CheckValue)(e, val);
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+
+#endif /* UPB_MINI_TABLE_ENUM_H_ */
+
+#ifndef UPB_MINI_TABLE_FIELD_H_
+#define UPB_MINI_TABLE_FIELD_H_
 
 #include <stdint.h>
 
@@ -1292,6 +1368,80 @@ UPB_INLINE size_t UPB_PRIVATE(_upb_MiniTableField_ElemSizeLg2)(
 
 #endif /* UPB_MINI_TABLE_INTERNAL_FIELD_H_ */
 
+// Must be last.
+
+typedef struct upb_MiniTableField upb_MiniTableField;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+UPB_API_INLINE upb_CType upb_MiniTableField_CType(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_CType)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_HasPresence(
+    const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_HasPresence)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsArray(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsArray)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsClosedEnum(
+    const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsClosedEnum)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsExtension(
+    const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsExtension)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsInOneof(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsInOneof)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsMap(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsMap)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsPacked(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsPacked)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsScalar(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsScalar)(f);
+}
+
+UPB_API_INLINE bool upb_MiniTableField_IsSubMessage(
+    const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_IsSubMessage)(f);
+}
+
+UPB_API_INLINE uint32_t upb_MiniTableField_Number(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_Number)(f);
+}
+
+UPB_API_INLINE upb_FieldType
+upb_MiniTableField_Type(const upb_MiniTableField* f) {
+  return UPB_PRIVATE(_upb_MiniTableField_Type)(f);
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+
+#endif /* UPB_MINI_TABLE_FIELD_H_ */
+
+#ifndef UPB_MINI_TABLE_INTERNAL_MESSAGE_H_
+#define UPB_MINI_TABLE_INTERNAL_MESSAGE_H_
+
+#include <stdint.h>
+
+
 #ifndef UPB_MINI_TABLE_INTERNAL_SUB_H_
 #define UPB_MINI_TABLE_INTERNAL_SUB_H_
 
@@ -1481,22 +1631,9 @@ UPB_PRIVATE(_upb_MiniTable_RequiredMask)(const struct upb_MiniTable* m) {
 
 #endif /* UPB_MINI_TABLE_INTERNAL_MESSAGE_H_ */
 
-#ifndef UPB_MINI_TABLE_TYPES_H_
-#define UPB_MINI_TABLE_TYPES_H_
-
-// Minitable types are recursively defined so declare them all together here.
+// Must be last.
 
 typedef struct upb_MiniTable upb_MiniTable;
-typedef struct upb_MiniTableEnum upb_MiniTableEnum;
-typedef struct upb_MiniTableExtension upb_MiniTableExtension;
-typedef struct upb_MiniTableField upb_MiniTableField;
-typedef struct upb_MiniTableFile upb_MiniTableFile;
-
-typedef union upb_MiniTableSub upb_MiniTableSub;
-
-#endif /* UPB_MINI_TABLE_TYPES_H_ */
-
-// Must be last.
 
 #ifdef __cplusplus
 extern "C" {
@@ -1656,6 +1793,8 @@ UPB_INLINE void UPB_PRIVATE(_upb_MiniTableExtension_SetSubMessage)(
 
 // Must be last.
 
+typedef struct upb_MiniTableExtension upb_MiniTableExtension;
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -2393,78 +2532,6 @@ bool UPB_PRIVATE(_upb_Message_Realloc)(upb_Message* msg, size_t need,
 
 #endif /* UPB_MESSAGE_INTERNAL_H_ */
 
-#ifndef UPB_MINI_TABLE_FIELD_H_
-#define UPB_MINI_TABLE_FIELD_H_
-
-#include <stdint.h>
-
-
-// Must be last.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-UPB_API_INLINE upb_CType upb_MiniTableField_CType(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_CType)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_HasPresence(
-    const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_HasPresence)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsArray(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsArray)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsClosedEnum(
-    const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsClosedEnum)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsExtension(
-    const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsExtension)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsInOneof(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsInOneof)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsMap(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsMap)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsPacked(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsPacked)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsScalar(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsScalar)(f);
-}
-
-UPB_API_INLINE bool upb_MiniTableField_IsSubMessage(
-    const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_IsSubMessage)(f);
-}
-
-UPB_API_INLINE uint32_t upb_MiniTableField_Number(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_Number)(f);
-}
-
-UPB_API_INLINE upb_FieldType
-upb_MiniTableField_Type(const upb_MiniTableField* f) {
-  return UPB_PRIVATE(_upb_MiniTableField_Type)(f);
-}
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-
-#endif /* UPB_MINI_TABLE_FIELD_H_ */
-
 // Must be last.
 
 #if defined(__GNUC__) && !defined(__clang__)
@@ -2914,86 +2981,14 @@ UPB_INLINE void UPB_PRIVATE(_upb_Array_Set)(upb_Array* array, size_t i,
 
 #endif /* UPB_MESSAGE_INTERNAL_ARRAY_H_ */
 
-#ifndef UPB_MINI_TABLE_ENUM_H_
-#define UPB_MINI_TABLE_ENUM_H_
-
-#include <stdint.h>
-
-
-#ifndef UPB_MINI_TABLE_INTERNAL_ENUM_H_
-#define UPB_MINI_TABLE_INTERNAL_ENUM_H_
-
-#include <stdint.h>
-
-// Must be last.
-
-struct upb_MiniTableEnum {
-  uint32_t UPB_PRIVATE(mask_limit);   // Highest that can be tested with mask.
-  uint32_t UPB_PRIVATE(value_count);  // Number of values after the bitfield.
-  uint32_t UPB_PRIVATE(data)[];       // Bitmask + enumerated values follow.
-};
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-UPB_INLINE bool UPB_PRIVATE(_upb_MiniTableEnum_CheckValue)(
-    const struct upb_MiniTableEnum* e, uint32_t val) {
-  if (UPB_LIKELY(val < 64)) {
-    const uint64_t mask =
-        e->UPB_PRIVATE(data)[0] | ((uint64_t)e->UPB_PRIVATE(data)[1] << 32);
-    const uint64_t bit = 1ULL << val;
-    return (mask & bit) != 0;
-  }
-  if (UPB_LIKELY(val < e->UPB_PRIVATE(mask_limit))) {
-    const uint32_t mask = e->UPB_PRIVATE(data)[val / 32];
-    const uint32_t bit = 1ULL << (val % 32);
-    return (mask & bit) != 0;
-  }
-
-  // OPT: binary search long lists?
-  const uint32_t* start =
-      &e->UPB_PRIVATE(data)[e->UPB_PRIVATE(mask_limit) / 32];
-  const uint32_t* limit = &e->UPB_PRIVATE(
-      data)[e->UPB_PRIVATE(mask_limit) / 32 + e->UPB_PRIVATE(value_count)];
-  for (const uint32_t* p = start; p < limit; p++) {
-    if (*p == val) return true;
-  }
-  return false;
-}
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-
-#endif /* UPB_MINI_TABLE_INTERNAL_ENUM_H_ */
-
-// Must be last
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// Validates enum value against range defined by enum mini table.
-UPB_INLINE bool upb_MiniTableEnum_CheckValue(const upb_MiniTableEnum* e,
-                                             uint32_t val) {
-  return UPB_PRIVATE(_upb_MiniTableEnum_CheckValue)(e, val);
-}
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-
-#endif /* UPB_MINI_TABLE_ENUM_H_ */
-
 #ifndef UPB_MINI_TABLE_SUB_H_
 #define UPB_MINI_TABLE_SUB_H_
 
 
 // Must be last.
 
+typedef union upb_MiniTableSub upb_MiniTableSub;
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -3846,6 +3841,8 @@ UPB_INLINE const struct upb_MiniTable* UPB_PRIVATE(_upb_MiniTableFile_Message)(
 
 // Must be last.
 
+typedef struct upb_MiniTableFile upb_MiniTableFile;
+
 #ifdef __cplusplus
 extern "C" {
 #endif