diff --git a/girs/Gst-1.0.gir b/girs/Gst-1.0.gir
index d149589b2b..8c94e2252e 100644
--- a/girs/Gst-1.0.gir
+++ b/girs/Gst-1.0.gir
@@ -26819,8 +26819,8 @@ want to write to the @details structure.
 
 The returned structure must not be freed.</doc>
         <source-position filename="../subprojects/gstreamer/gst/gstmessage.h"/>
-        <return-value transfer-ownership="none" nullable="1">
-          <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gstmessage.c">The details, or NULL if none.</doc>
+        <return-value transfer-ownership="none">
+          <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gstmessage.c">The details</doc>
           <type name="Structure" c:type="GstStructure*"/>
         </return-value>
         <parameters>
diff --git a/subprojects/gst-plugins-base/gst/playback/gsturidecodebin3.c b/subprojects/gst-plugins-base/gst/playback/gsturidecodebin3.c
index daff351be4..7d23a2fb4f 100644
--- a/subprojects/gst-plugins-base/gst/playback/gsturidecodebin3.c
+++ b/subprojects/gst-plugins-base/gst/playback/gsturidecodebin3.c
@@ -2181,9 +2181,7 @@ update_message_with_uri (GstURIDecodeBin3 * uridecodebin, GstMessage * msg)
     GstStructure *details;
     msg = gst_message_make_writable (msg);
     details = gst_message_writable_details (msg);
-    if (details) {
-      gst_structure_set (details, "uri", G_TYPE_STRING, uri, NULL);
-    }
+    gst_structure_set (details, "uri", G_TYPE_STRING, uri, NULL);
   }
 
   if (unlock_after)
diff --git a/subprojects/gstreamer/gst/gstmessage.c b/subprojects/gstreamer/gst/gstmessage.c
index e5b7f1bebb..a82dea7b9d 100644
--- a/subprojects/gstreamer/gst/gstmessage.c
+++ b/subprojects/gstreamer/gst/gstmessage.c
@@ -505,7 +505,7 @@ gst_message_get_details (GstMessage * message)
  *
  * The returned structure must not be freed.
  *
- * Returns: (transfer none) (nullable): The details, or NULL if none.
+ * Returns: (transfer none): The details
  *
  * Since: 1.26
  */