diff --git a/dev/src/index.ts b/dev/src/index.ts
index 0882640f4..f1c44f04f 100644
--- a/dev/src/index.ts
+++ b/dev/src/index.ts
@@ -267,12 +267,6 @@ export class Firestore {
    */
   private _settingsFrozen = false;
 
-  /**
-   * Whether is client has been terminated. Once the Firestore instance is
-   * terminated, all subsequent calls to this client will fail.
-   */
-  private _terminated = false;
-
   /**
    * The serializer to use for the Protobuf transformation.
    * @private
@@ -1019,7 +1013,6 @@ export class Firestore {
    * @return A Promise that resolves when the client is terminated.
    */
   async terminate(): Promise<void> {
-    this._terminated = true;
     await this._clientPool.terminate();
   }