diff --git a/lib/spoom/coverage/d3.rb b/lib/spoom/coverage/d3.rb
index 455a0715..cb84135a 100644
--- a/lib/spoom/coverage/d3.rb
+++ b/lib/spoom/coverage/d3.rb
@@ -8,7 +8,6 @@
 module Spoom
   module Coverage
     module D3
-      COLOR_IGNORE = "#999"
       COLOR_FALSE = "#db4437"
       COLOR_TRUE = "#0f9d58"
       COLOR_STRICT = "#0a7340"