diff --git a/developer/src/kmc-convert/src/keylayout-to-kmn/kmn-file-writer.ts b/developer/src/kmc-convert/src/keylayout-to-kmn/kmn-file-writer.ts
index 461ce99494..5f14adf740 100644
--- a/developer/src/kmc-convert/src/keylayout-to-kmn/kmn-file-writer.ts
+++ b/developer/src/kmc-convert/src/keylayout-to-kmn/kmn-file-writer.ts
@@ -52,37 +52,6 @@ interface WarningTextSet extends RuleReview {
   type: 'WarningTextSet';
 };
 
-};
-//interface UnavailableModifier /*extends RuleReview*/ {
-/*interface UnavailableModifier {
-  type: 'UnavailableModifier';
-  isEarlier: boolean;
-  isused: boolean;
-  context: string;
-  prevDK_modifier: string;
-  prevDK_key: string;
-  DK_modifier: string;
-  DK_key: string;
-  modifier: string;
-  key: string;
-  output: string;
-  warningMessage: string[];
-};*/
-interface RuleReview {
-  type: 'RuleReview';
-  isEarlier: boolean;
-  isused: boolean;
-  context: string;
-  prevDK_modifier: string;
-  prevDK_key: string;
-  DK_modifier: string;
-  DK_key: string;
-  modifier: string;
-  key: string;
-  output: string;
-
-  warningMessages: string[];
-};
 export class KmnFileWriter {
 
   constructor(private callbacks: CompilerCallbacks, private options: CompilerOptions) { };