diff --git a/gtk/favicon.c b/gtk/favicon.c
index ec9df77a2..46bd7aa57 100644
--- a/gtk/favicon.c
+++ b/gtk/favicon.c
@@ -124,7 +124,7 @@ favicon_web_done_idle_cb (gpointer vfav)
         g_free (fav);
     }
 
-    return FALSE;
+    return G_SOURCE_REMOVE;
 }
 
 static void
diff --git a/gtk/tr-core.c b/gtk/tr-core.c
index 75d196e72..1fef5b4cf 100644
--- a/gtk/tr-core.c
+++ b/gtk/tr-core.c
@@ -933,7 +933,7 @@ on_torrent_completeness_changed_idle (gpointer gdata)
   gtr_notify_torrent_completed (data->core, data->torrent_id);
   g_object_unref (G_OBJECT (data->core));
   g_free (data);
-  return FALSE;
+  return G_SOURCE_REMOVE;
 }
 
 /* this is called in the libtransmission thread, *NOT* the GTK+ thread,
@@ -1019,7 +1019,7 @@ on_torrent_metadata_changed_idle (gpointer gdata)
   /* cleanup */
   g_object_unref (G_OBJECT (data->core));
   g_free (data);
-  return FALSE;
+  return G_SOURCE_REMOVE;
 }
 
 /* this is called in the libtransmission thread, *NOT* the GTK+ thread,
@@ -1746,7 +1746,7 @@ core_read_rpc_response_idle (void * vresponse)
 
   tr_variantFree (&top);
   evbuffer_free (response);
-  return FALSE;
+  return G_SOURCE_REMOVE;
 }
 
 static void
diff --git a/gtk/tr-window.c b/gtk/tr-window.c
index 1fdf0a118..0b6b48485 100644
--- a/gtk/tr-window.c
+++ b/gtk/tr-window.c
@@ -361,7 +361,7 @@ onAltSpeedToggledIdle (gpointer vp)
   gboolean b = tr_sessionUsesAltSpeed (gtr_core_session (p->core));
   gtr_core_set_pref_bool (p->core, TR_KEY_alt_speed_enabled, b);
 
-  return FALSE;
+  return G_SOURCE_REMOVE;
 }
 
 static void