diff --git a/toolkit/components/extensions/ext-theme.js b/toolkit/components/extensions/ext-theme.js
index 9cce22d06e2f..c2ff4b9a63c3 100644
--- a/toolkit/components/extensions/ext-theme.js
+++ b/toolkit/components/extensions/ext-theme.js
@@ -55,7 +55,6 @@ class Theme {
    */
   loadColors(colors) {
     for (let color of Object.keys(colors)) {
-      Services.console.logStringMessage(`parsing color=${color}`);
       let val = colors[color];
 
       if (!val) {