diff --git a/upb/message/internal/accessors.h b/upb/message/internal/accessors.h
index 360ed61c66312..9fd353f476185 100644
--- a/upb/message/internal/accessors.h
+++ b/upb/message/internal/accessors.h
@@ -163,7 +163,7 @@ UPB_INLINE void UPB_PRIVATE(_upb_Message_SetPresence)(
   }
 }
 
-UPB_INLINE void UPB_PRIVATE(_upb_MiniTableField_DataCopy)(
+UPB_INLINE_IF_NOT_GCC void UPB_PRIVATE(_upb_MiniTableField_DataCopy)(
     const upb_MiniTableField* f, void* to, const void* from) {
   switch (UPB_PRIVATE(_upb_MiniTableField_GetRep)(f)) {
     case kUpb_FieldRep_1Byte:
@@ -183,7 +183,7 @@ UPB_INLINE void UPB_PRIVATE(_upb_MiniTableField_DataCopy)(
   UPB_UNREACHABLE();
 }
 
-UPB_INLINE bool UPB_PRIVATE(_upb_MiniTableField_DataEquals)(
+UPB_INLINE_IF_NOT_GCC bool UPB_PRIVATE(_upb_MiniTableField_DataEquals)(
     const upb_MiniTableField* f, const void* a, const void* b) {
   switch (UPB_PRIVATE(_upb_MiniTableField_GetRep)(f)) {
     case kUpb_FieldRep_1Byte:
diff --git a/upb/port/def.inc b/upb/port/def.inc
index 13107958ea5e5..2413e729a1dde 100644
--- a/upb/port/def.inc
+++ b/upb/port/def.inc
@@ -91,6 +91,13 @@ Error, UINTPTR_MAX is undefined
 #define UPB_INLINE static
 #endif
 
+// UPB_INLINE_IF_NOT_GCC: because gcc can be very noisy at times.
+#if defined(__GNUC__) && !defined(__clang__)
+#define UPB_INLINE_IF_NOT_GCC static
+#else
+#define UPB_INLINE_IF_NOT_GCC UPB_INLINE
+#endif
+
 #ifdef UPB_BUILD_API
 #define UPB_API UPB_EXPORT
 #define UPB_API_INLINE UPB_EXPORT
diff --git a/upb/port/undef.inc b/upb/port/undef.inc
index 99555fb933abb..03803d76c8337 100644
--- a/upb/port/undef.inc
+++ b/upb/port/undef.inc
@@ -16,6 +16,7 @@
 #undef UPB_API
 #undef UPBC_API
 #undef UPB_API_INLINE
+#undef UPB_API_INLINE_IF_NOT_GCC
 #undef UPB_ALIGN_UP
 #undef UPB_ALIGN_DOWN
 #undef UPB_ALIGN_MALLOC