diff --git a/lib/internal/test_runner/reporter/utils.js b/lib/internal/test_runner/reporter/utils.js
index c3fe8d116347aa..8bb881a0ca934f 100644
--- a/lib/internal/test_runner/reporter/utils.js
+++ b/lib/internal/test_runner/reporter/utils.js
@@ -40,9 +40,6 @@ const reporterColorMap = {
   get 'info'() {
     return colors.blue;
   },
-  get 'debug'() {
-    return colors.gray;
-  },
   get 'warn'() {
     return colors.yellow;
   },