diff --git a/sys/applemedia/vtdec.c b/sys/applemedia/vtdec.c
index 9ce5ed7672..5e1bb055d3 100644
--- a/sys/applemedia/vtdec.c
+++ b/sys/applemedia/vtdec.c
@@ -545,6 +545,9 @@ gst_vtdec_create_session (GstVtdec * vtdec, GstVideoFormat format,
       videoDecoderSpecification, output_image_buffer_attrs, &callback,
       &vtdec->session);
 
+  if (videoDecoderSpecification)
+    CFRelease (videoDecoderSpecification);
+
   CFRelease (output_image_buffer_attrs);
 
   return status;
@@ -607,6 +610,9 @@ create_format_description_from_codec_data (GstVtdec * vtdec,
       cm_format, vtdec->video_info.width, vtdec->video_info.height,
       extensions, &fmt_desc);
 
+  if (extensions)
+    CFRelease (extensions);
+
   if (status == noErr)
     return fmt_desc;
   else