diff --git a/indra/newview/llfloatereditextdaycycle.cpp b/indra/newview/llfloatereditextdaycycle.cpp
index 3870794c63..0cbee7a3a6 100644
--- a/indra/newview/llfloatereditextdaycycle.cpp
+++ b/indra/newview/llfloatereditextdaycycle.cpp
@@ -1145,9 +1145,6 @@ void LLFloaterEditExtDayCycle::selectTrack(U32 track_index, bool force )
     mSkyTabLayoutContainer->setVisible(!show_water);
     mWaterTabLayoutContainer->setVisible(show_water);
 
-    std::string iconname = (show_water) ? "Inv_SettingsWater" : "Inv_SettingsSky";
-
-    mFramesSlider->setSliderThumbImage(iconname);
     updateSlider();
     updateLabels();
 }
diff --git a/indra/newview/skins/default/xui/en/floater_edit_ext_day_cycle.xml b/indra/newview/skins/default/xui/en/floater_edit_ext_day_cycle.xml
index 1b5bd90748..4332e0565b 100644
--- a/indra/newview/skins/default/xui/en/floater_edit_ext_day_cycle.xml
+++ b/indra/newview/skins/default/xui/en/floater_edit_ext_day_cycle.xml
@@ -244,7 +244,7 @@
                         <multi_slider
                                 decimal_digits="0"
                                 follows="bottom"
-                                height="12"
+                                height="10"
                                 increment="0.005"
                                 overlap_threshold="0.026"
                                 loop_overlap="true"
@@ -255,8 +255,6 @@
                                 max_val="1"
                                 name="WLDayCycleFrames"
                                 show_text="false"
-                                thumb_highlight_color="white"
-                                thumb_width="12"
                                 top_pad="15"
                                 width="525" />