diff --git a/gtk-3.0/gtk.css b/gtk-3.0/gtk.css
index 59e17a1..3cff8de 100644
--- a/gtk-3.0/gtk.css
+++ b/gtk-3.0/gtk.css
@@ -1444,31 +1444,6 @@ headerbar {
     padding-left: 12px;
     padding-right: 12px;
     color: alpha(currentColor, 0.7); }
-  headerbar button {
-    padding: 4px 9px;
-    border-style: solid;
-    border-width: 1px;
-    border-radius: 0px;
-    color: #000000;
-    border-color: #606060;
-    background-color: #e8e8e8;
-    background-image: linear-gradient(to bottom, #ededed, #e8e8e8 45%, #e0e0e0 55%, #d7d7d7);
-    -gtk-outline-radius: 0px;
-    box-shadow: inset 1px 1px white, inset -1px -1px #8c8c8c, 0 0 0 1px rgba(0, 0, 0, 0.05), 1px 1px rgba(255, 255, 255, 0.5);
-    outline-offset: 0;
-    outline-width: 2px;
-    outline-style: solid;
-    outline-color: #989898; }
-    headerbar button:active, headerbar button:checked {
-      background-color: #c2c2c2;
-      background-image: none;
-      box-shadow: inset -1px -1px white, inset 1px 1px #8c8c8c, 0 0 0 1px rgba(255, 255, 255, 0.5), 1px 1px rgba(0, 0, 0, 0.05); }
-      headerbar button:active:disabled, headerbar button:checked:disabled {
-        color: #0b0b0b;
-        background-color: #c2c2c2; }
-    headerbar button:disabled {
-      color: #363636;
-      background-color: #cccccc; }
   headerbar entry {
     padding: 4px 8px; }
   headerbar.titlebar, .titlebar headerbar {