diff --git a/src/client/terminals/envCollectionActivation/shellIntegrationService.ts b/src/client/terminals/envCollectionActivation/shellIntegrationService.ts
index 485af6f3cc99..2f3f001ef3c2 100644
--- a/src/client/terminals/envCollectionActivation/shellIntegrationService.ts
+++ b/src/client/terminals/envCollectionActivation/shellIntegrationService.ts
@@ -53,13 +53,8 @@ export class ShellIntegrationService implements IShellIntegrationService {
         const deferred = createDeferred<void>();
         const timestamp = new Date().getTime();
         const name = `Python ${timestamp}`;
-        const onDidExecuteTerminalCommand = this.appShell.onDidExecuteTerminalCommand?.bind(this.appShell);
-        if (!onDidExecuteTerminalCommand) {
-            // Proposed API is not available, assume shell integration is working at this point.
-            return true;
-        }
         try {
-            const disposable = onDidExecuteTerminalCommand((e) => {
+            const disposable = this.appShell.onDidExecuteTerminalCommand!((e) => {
                 if (e.terminal.name === name) {
                     deferred.resolve();
                 }