diff --git a/dlls/winegstreamer/gst_cbs.c b/dlls/winegstreamer/gst_cbs.c
index 5267091c5e1..90c34b1cb39 100644
--- a/dlls/winegstreamer/gst_cbs.c
+++ b/dlls/winegstreamer/gst_cbs.c
@@ -147,20 +147,6 @@ void existing_new_pad_wrapper(GstElement *bin, GstPad *pad, gpointer user)
     call_cb(&cbdata);
 }
 
-gboolean activate_mode_wrapper(GstPad *pad, GstObject *parent, GstPadMode mode, gboolean activate)
-{
-    struct cb_data cbdata = { ACTIVATE_MODE };
-
-    cbdata.u.activate_mode_data.pad = pad;
-    cbdata.u.activate_mode_data.parent = parent;
-    cbdata.u.activate_mode_data.mode = mode;
-    cbdata.u.activate_mode_data.activate = activate;
-
-    call_cb(&cbdata);
-
-    return cbdata.u.activate_mode_data.ret;
-}
-
 gboolean query_sink_wrapper(GstPad *pad, GstObject *parent, GstQuery *query)
 {
     struct cb_data cbdata = { QUERY_SINK };
diff --git a/dlls/winegstreamer/gst_cbs.h b/dlls/winegstreamer/gst_cbs.h
index 4afde78ba7d..cbd9a630885 100644
--- a/dlls/winegstreamer/gst_cbs.h
+++ b/dlls/winegstreamer/gst_cbs.h
@@ -31,7 +31,6 @@ typedef enum {
 
 enum CB_TYPE {
     EXISTING_NEW_PAD,
-    ACTIVATE_MODE,
     QUERY_SINK,
     GSTDEMUX_MAX,
     BYTESTREAM_WRAPPER_PULL,
@@ -114,7 +113,6 @@ void perform_cb_gstdemux(struct cb_data *data) DECLSPEC_HIDDEN;
 void perform_cb_media_source(struct cb_data *data) DECLSPEC_HIDDEN;
 
 void existing_new_pad_wrapper(GstElement *bin, GstPad *pad, gpointer user) DECLSPEC_HIDDEN;
-gboolean activate_mode_wrapper(GstPad *pad, GstObject *parent, GstPadMode mode, gboolean activate) DECLSPEC_HIDDEN;
 GstFlowReturn got_data_wrapper(GstPad *pad, GstObject *parent, GstBuffer *buf) DECLSPEC_HIDDEN;
 void Gstreamer_transform_pad_added_wrapper(GstElement *filter, GstPad *pad, gpointer user) DECLSPEC_HIDDEN;
 gboolean query_sink_wrapper(GstPad *pad, GstObject *parent, GstQuery *query) DECLSPEC_HIDDEN;
diff --git a/dlls/winegstreamer/gstdemux.c b/dlls/winegstreamer/gstdemux.c
index 5747cce1dd2..ea6808ec113 100644
--- a/dlls/winegstreamer/gstdemux.c
+++ b/dlls/winegstreamer/gstdemux.c
@@ -1581,7 +1581,7 @@ static HRESULT GST_Connect(struct parser *This, IPin *pConnectPin)
     This->my_src = gst_pad_new_from_static_template(&src_template, "quartz-src");
     gst_pad_set_getrange_function(This->my_src, request_buffer_src);
     gst_pad_set_query_function(This->my_src, query_function);
-    gst_pad_set_activatemode_function(This->my_src, activate_mode_wrapper);
+    gst_pad_set_activatemode_function(This->my_src, activate_mode);
     gst_pad_set_event_function(This->my_src, event_src);
     gst_pad_set_element_private (This->my_src, This);
 
@@ -2511,12 +2511,6 @@ void perform_cb_gstdemux(struct cb_data *cbdata)
             existing_new_pad(data->element, data->pad, data->user);
             break;
         }
-    case ACTIVATE_MODE:
-        {
-            struct activate_mode_data *data = &cbdata->u.activate_mode_data;
-            cbdata->u.activate_mode_data.ret = activate_mode(data->pad, data->parent, data->mode, data->activate);
-            break;
-        }
     case QUERY_SINK:
         {
             struct query_sink_data *data = &cbdata->u.query_sink_data;