diff --git a/asset/css/balls.less b/asset/css/balls.less
index 0a39aab0..f3afae36 100644
--- a/asset/css/balls.less
+++ b/asset/css/balls.less
@@ -118,10 +118,6 @@
     .ball-solid(var(--state-unknown, @state-unknown));
   }
 
-  &.state-unreachable {
-    .ball-solid(var(--state-unreachable, @state-unreachable));
-  }
-
   &.handled {
     opacity: 0.6;
   }
diff --git a/asset/css/variables.less b/asset/css/variables.less
index 78c8194a..a500c5e9 100644
--- a/asset/css/variables.less
+++ b/asset/css/variables.less
@@ -49,7 +49,6 @@
 @state-down: @state-critical;
 @state-pending: #77aaff;
 @state-unknown: #aa44ff;
-@state-unreachable: @state-unknown;
 @state-none: @base-gray-light;
 
 @primary-button-color: @default-text-color-inverted;