diff --git a/gstreamer-pbutils/Gir.toml b/gstreamer-pbutils/Gir.toml
index e21c5f8ca..86f7e6de1 100644
--- a/gstreamer-pbutils/Gir.toml
+++ b/gstreamer-pbutils/Gir.toml
@@ -146,6 +146,11 @@ status = "generate"
         [object.function.return]
         nullable_return_is_error = "Unsupported caps"
 
+    [[object.function]]
+    name = "codec_utils_av1_get_level"
+        [object.function.return]
+        nullable_return_is_error = "Failed to get AV1 level"
+
     [[object.function]]
     name = "codec_utils_opus_create_caps"
     # Manual checks
@@ -362,8 +367,6 @@ status = "generate"
     [[object.function]]
     name = "from_string"
         [object.function.return]
-        # https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6775
-        nullable = true
         nullable_return_is_error = "Failed to create EncodingProfile from string"
 
 [[object]]