diff --git a/gtk2_ardour/dark.colors b/gtk2_ardour/dark.colors
index d407ef5ceb..927869a2d5 100644
--- a/gtk2_ardour/dark.colors
+++ b/gtk2_ardour/dark.colors
@@ -128,7 +128,7 @@
     <RelativeColor name="color 94" base="colorLightGray" modifier="0 0 -0.109804 1"/>
     <RelativeColor name="color 95" base="colorClight" modifier="0 -0.864754 -0.0431373 -0.533333"/>
     <RelativeColor name="color 96" base="colorClight" modifier="0 -0.157205 -0.101961 0"/>
-    <RelativeColor name="color 97" base="colorLightest" modifier="0 0 -0.2 1"/>
+   <RelativeColor name="color 97" base="colorLightest" modifier="0 0 -0.2 1"/>
     <RelativeColor name="color 98" base="colorD" modifier="0 -0.619608 0 -0.521569"/>
     <RelativeColor name="color 99" base="colorDdark" modifier="18 -0.0555556 -0.576471 0"/>
   </RelativeColors>
@@ -233,7 +233,6 @@
     <ColorAlias name="inactive crossfade" alias="color 32"/>
     <ColorAlias name="inactive fade handle" alias="color 33"/>
     <ColorAlias name="inactive group tab" alias="color 34"/>
-    <ColorAlias name="invert button: fill" alias="color 25"/>
     <ColorAlias name="invert button: fill active" alias="color 35"/>
     <ColorAlias name="invert button: led" alias="color 36"/>
     <ColorAlias name="invert button: led active" alias="color 37"/>
@@ -242,7 +241,6 @@
     <ColorAlias name="location marker" alias="color 32"/>
     <ColorAlias name="location punch" alias="color 40"/>
     <ColorAlias name="location range" alias="color 41"/>
-    <ColorAlias name="lock button: fill" alias="color 25"/>
     <ColorAlias name="lock button: fill active" alias="color 42"/>
     <ColorAlias name="lock button: led" alias="color 4"/>
     <ColorAlias name="lock button: led active" alias="color 4"/>
@@ -281,7 +279,6 @@
     <ColorAlias name="midi device: text" alias="color 26"/>
     <ColorAlias name="midi device: text active" alias="color 50"/>
     <ColorAlias name="midi frame base" alias="color 51"/>
-    <ColorAlias name="midi input button: fill" alias="color 25"/>
     <ColorAlias name="midi input button: fill active" alias="color 48"/>
     <ColorAlias name="midi input button: led" alias="color 4"/>
     <ColorAlias name="midi input button: led active" alias="color 4"/>
@@ -310,15 +307,12 @@
     <ColorAlias name="midi sysex fill" alias="color 32"/>
     <ColorAlias name="midi sysex outline" alias="color 64"/>
     <ColorAlias name="midi track base" alias="color 65"/>
-    <ColorAlias name="mixer strip button: fill" alias="color 25"/>
     <ColorAlias name="mixer strip button: fill active" alias="color 8"/>
     <ColorAlias name="mixer strip button: led" alias="color 66"/>
     <ColorAlias name="mixer strip button: led active" alias="color 8"/>
-    <ColorAlias name="mixer strip name button: fill" alias="color 25"/>
     <ColorAlias name="mixer strip name button: fill active" alias="color 67"/>
     <ColorAlias name="mixer strip name button: led" alias="color 66"/>
     <ColorAlias name="mixer strip name button: led active" alias="color 8"/>
-    <ColorAlias name="monitor button: fill" alias="color 25"/>
     <ColorAlias name="monitor button: fill active" alias="color 68"/>
     <ColorAlias name="monitor button: led" alias="color 69"/>
     <ColorAlias name="monitor button: led active" alias="color 9"/>
@@ -379,11 +373,9 @@
     <ColorAlias name="mono panner position fill" alias="color 11"/>
     <ColorAlias name="mono panner position outline" alias="color 70"/>
     <ColorAlias name="mono panner text" alias="color 4"/>
-    <ColorAlias name="mouse mode button: fill" alias="color 25"/>
     <ColorAlias name="mouse mode button: fill active" alias="color 12"/>
     <ColorAlias name="mouse mode button: led" alias="color 66"/>
     <ColorAlias name="mouse mode button: led active" alias="color 8"/>
-    <ColorAlias name="mute button: fill" alias="color 25"/>
     <ColorAlias name="mute button: fill active" alias="color 75"/>
     <ColorAlias name="mute button: led" alias="color 4"/>
     <ColorAlias name="mute button: led active" alias="color 4"/>
@@ -440,7 +432,6 @@
     <ColorAlias name="range drag bar rect" alias="color 21"/>
     <ColorAlias name="range drag rect" alias="color 56"/>
     <ColorAlias name="range marker bar" alias="color 3"/>
-    <ColorAlias name="record enable button: fill" alias="color 25"/>
     <ColorAlias name="record enable button: fill active" alias="color 83"/>
     <ColorAlias name="record enable button: led" alias="color 84"/>
     <ColorAlias name="record enable button: led active" alias="color 85"/>
@@ -452,7 +443,6 @@
     <ColorAlias name="region list whole file" alias="color 1"/>
     <ColorAlias name="region area covered by another region" alias="color 87"/>
     <ColorAlias name="region base" alias="color 11"/>
-    <ColorAlias name="route button: fill" alias="color 25"/>
     <ColorAlias name="route button: fill active" alias="color 67"/>
     <ColorAlias name="route button: led" alias="color 66"/>
     <ColorAlias name="route button: led active" alias="color 8"/>
@@ -509,7 +499,6 @@
     <ColorAlias name="shuttle" alias="color 12"/>
     <ColorAlias name="silence" alias="color 98"/>
     <ColorAlias name="silence text" alias="color 99"/>
-    <ColorAlias name="solo button: fill" alias="color 25"/>
     <ColorAlias name="solo button: fill active" alias="color 12"/>
     <ColorAlias name="solo button: led" alias="color 4"/>
     <ColorAlias name="solo button: led active" alias="color 4"/>
@@ -549,11 +538,9 @@
     <ColorAlias name="tracknumber label: led active" alias="color 9"/>
     <ColorAlias name="tracknumber label: text" alias="color 26"/>
     <ColorAlias name="tracknumber label: text active" alias="color 9"/>
-    <ColorAlias name="transport active option button: fill" alias="color 25"/>
     <ColorAlias name="transport active option button: fill active" alias="color 48"/>
     <ColorAlias name="transport active option button: led" alias="color 66"/>
     <ColorAlias name="transport active option button: led active" alias="color 8"/>
-    <ColorAlias name="transport button: fill" alias="color 25"/>
     <ColorAlias name="transport button: fill active" alias="color 48"/>
     <ColorAlias name="transport button: led" alias="color 4"/>
     <ColorAlias name="transport button: led active" alias="color 4"/>
@@ -568,7 +555,6 @@
     <ColorAlias name="transport drag rect" alias="color 21"/>
     <ColorAlias name="transport loop rect" alias="color 103"/>
     <ColorAlias name="transport marker bar" alias="color 11"/>
-    <ColorAlias name="transport option button: fill" alias="color 25"/>
     <ColorAlias name="transport option button: fill active" alias="color 42"/>
     <ColorAlias name="transport option button: led" alias="color 66"/>
     <ColorAlias name="transport option button: led active" alias="color 8"/>
@@ -585,7 +571,6 @@
     <ColorAlias name="waveform fill" alias="color 13"/>
     <ColorAlias name="waveform outline" alias="color 4"/>
     <ColorAlias name="zero line" alias="color 104"/>
-    <ColorAlias name="zoom button: fill" alias="color 25"/>
     <ColorAlias name="zoom button: fill active" alias="color 48"/>
     <ColorAlias name="zoom button: led" alias="color 66"/>
     <ColorAlias name="zoom button: led active" alias="color 8"/>