diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 583d101e..5ccbf641 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -39,7 +39,7 @@ jobs:
   tests:
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -53,8 +53,6 @@ jobs:
       - name: Run Integration Tests
         run: |
           deno test -A tests/integration --config tsconfig.json --no-check=remote
-
-      
       
       - name: Run Unit Tests
         run: |
diff --git a/src/client.ts b/src/client.ts
index 746acfb4..62338855 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -179,8 +179,8 @@ export class Client {
 
     // Close browser process (also closes the ws endpoint, which in turn closes all sockets)
     if (this.#browser_process) {
-      this.#browser_process.stderr!.cancel();
-      this.#browser_process.stdout!.cancel();
+      this.#browser_process.stderr.cancel();
+      this.#browser_process.stdout.cancel();
       this.#browser_process.kill();
       await this.#browser_process.status;
     } else {