diff --git a/examples/filebrowser/src/index.ts b/examples/filebrowser/src/index.ts
index 3c47d211a7db..878c61048373 100644
--- a/examples/filebrowser/src/index.ts
+++ b/examples/filebrowser/src/index.ts
@@ -85,6 +85,9 @@ function createApp(
         },
         disconnect: () => {
           return false;
+        },
+        block: () => {
+          return;
         }
       };
     }
diff --git a/examples/notebook/src/index.ts b/examples/notebook/src/index.ts
index 5a3ffc7c0823..c2cf3f407189 100644
--- a/examples/notebook/src/index.ts
+++ b/examples/notebook/src/index.ts
@@ -89,6 +89,9 @@ function createApp(manager: ServiceManager.IManager): void {
         },
         disconnect: () => {
           return false;
+        },
+        block: () => {
+          return;
         }
       };
     }