diff --git a/exercises/practice/secret-handshake/.meta/config.json b/exercises/practice/secret-handshake/.meta/config.json
index c4e23b50c..b40ee95a2 100644
--- a/exercises/practice/secret-handshake/.meta/config.json
+++ b/exercises/practice/secret-handshake/.meta/config.json
@@ -21,7 +21,8 @@
   ],
   "files": {
     "solution": [
-      "src/main/java/HandshakeCalculator.java"
+      "src/main/java/HandshakeCalculator.java",
+      "src/main/java/Signal.java"
     ],
     "test": [
       "src/test/java/HandshakeCalculatorTest.java"
@@ -29,9 +30,6 @@
     "example": [
       ".meta/src/reference/java/HandshakeCalculator.java"
     ],
-    "editor": [
-      "src/main/java/Signal.java"
-    ],
     "invalidator": [
       "build.gradle"
     ]