diff --git a/libs/gst/check/gstharness.c b/libs/gst/check/gstharness.c
index 22418eac2d..c8313b2b1c 100644
--- a/libs/gst/check/gstharness.c
+++ b/libs/gst/check/gstharness.c
@@ -2137,7 +2137,6 @@ forward_sticky_events (GstPad * pad, GstEvent ** ev, gpointer user_data)
  * gst_harness_add_sink_harness:
  * @h: a #GstHarness
  * @sink_harness: (transfer full): a #GstHarness to be added as a sink-harness.
- * @sink_element_name: a #gchar with the name of a #GstElement
  *
  * Similar to gst_harness_add_src, this allows you to send the data coming out
  * of your harnessed #GstElement to a sink-element, allowing to test different