diff --git a/src/app/webide/source-code.ts b/src/app/webide/source-code.ts
index e0610ef..2b49091 100644
--- a/src/app/webide/source-code.ts
+++ b/src/app/webide/source-code.ts
@@ -1,8 +1,6 @@
-export class SourceCode {
-  filename: string;
-  content: string;
-  language: string;
-  files: string[];
-  saved: boolean;
+export interface SourceCode {
+  filename?: string;
+  content?: string;
+  files?: string[];
   command: string;
 }
diff --git a/src/app/webide/webide.component.ts b/src/app/webide/webide.component.ts
index e6e25fd..32e50fe 100644
--- a/src/app/webide/webide.component.ts
+++ b/src/app/webide/webide.component.ts
@@ -48,31 +48,31 @@ export class WebideComponent implements OnInit {
 
   subscribeWS() {
     this.webSocketService.observeAnchor<SourceCode>(this.anchor_id).subscribe((event) => {
-      this.command_handlers[event.data.command](event);
+      this.command_handlers[event.data.command](event.data);
       this.changeDetectorRef.detectChanges();
     });
   }
 
-  updateFileData(event: any) {
-    this.filename = event.data.filename;
-    this.code = event.data.content;
+  updateFileData(data: SourceCode) {
+    this.filename = data.filename;
+    this.code = data.content;
     this.language = modelist.getModeForPath(this.filename).name;
-    this.files = event.data.files;
+    this.files = data.files;
   }
 
-  selectHandler(event: any) {
-    this.updateFileData(event);
+  selectHandler(data: SourceCode) {
+    this.updateFileData(data);
   }
 
-  reloadHandler(event: any) {
+  reloadHandler(data: SourceCode) {
     this.requestCode();
   }
 
-  readHandler(event: any) {
-    this.updateFileData(event);
+  readHandler(data: SourceCode) {
+    this.updateFileData(data);
   }
 
-  writeHandler(event: any) {
+  writeHandler(data: SourceCode) {
     this.saveButtonState = 'SAVED';
   }