diff --git a/php/ext/google/protobuf/php-upb.h b/php/ext/google/protobuf/php-upb.h
index 9f051bebcc..fc8d87763b 100644
--- a/php/ext/google/protobuf/php-upb.h
+++ b/php/ext/google/protobuf/php-upb.h
@@ -2774,7 +2774,7 @@ UPB_INLINE bool UPB_PRIVATE(_upb_MiniTableField_DataEquals)(
 UPB_INLINE void UPB_PRIVATE(_upb_MiniTableField_DataClear)(
     const upb_MiniTableField* f, void* val) {
   const char zero[16] = {0};
-  return UPB_PRIVATE(_upb_MiniTableField_DataCopy)(f, val, zero);
+  UPB_PRIVATE(_upb_MiniTableField_DataCopy)(f, val, zero);
 }
 
 UPB_INLINE bool UPB_PRIVATE(_upb_MiniTableField_DataIsZero)(
diff --git a/ruby/ext/google/protobuf_c/ruby-upb.h b/ruby/ext/google/protobuf_c/ruby-upb.h
index 0926cdd7c8..0cb3bb7f61 100755
--- a/ruby/ext/google/protobuf_c/ruby-upb.h
+++ b/ruby/ext/google/protobuf_c/ruby-upb.h
@@ -2776,7 +2776,7 @@ UPB_INLINE bool UPB_PRIVATE(_upb_MiniTableField_DataEquals)(
 UPB_INLINE void UPB_PRIVATE(_upb_MiniTableField_DataClear)(
     const upb_MiniTableField* f, void* val) {
   const char zero[16] = {0};
-  return UPB_PRIVATE(_upb_MiniTableField_DataCopy)(f, val, zero);
+  UPB_PRIVATE(_upb_MiniTableField_DataCopy)(f, val, zero);
 }
 
 UPB_INLINE bool UPB_PRIVATE(_upb_MiniTableField_DataIsZero)(