diff --git a/build/azure-pipelines/linux/continuous-build-linux.yml b/build/azure-pipelines/linux/continuous-build-linux.yml
index 9c62cbd8d7c3859e8466b3159264a19439e36f59..9de15845c04b0d4df52c7a70261b3824dd31005e 100644
--- a/build/azure-pipelines/linux/continuous-build-linux.yml
+++ b/build/azure-pipelines/linux/continuous-build-linux.yml
@@ -50,7 +50,7 @@ steps:
     DISPLAY=:10 ./scripts/test.sh --tfs "Unit Tests"
   displayName: Run Unit Tests (Electron)
 - script: |
-    DISPLAY=:10 yarn test-browser --browser chromium --browser firefox
+    DISPLAY=:10 yarn test-browser --browser chromium
   displayName: Run Unit Tests (Browser)
 - script: |
     DISPLAY=:10 ./scripts/test-integration.sh --tfs "Integration Tests"
diff --git a/build/azure-pipelines/linux/product-build-linux.yml b/build/azure-pipelines/linux/product-build-linux.yml
index cc703eed8f56deb72bb8d4780b15c5c7ce19dcbd..119f80cd92983d535ea331e12f6252d5cf92e423 100644
--- a/build/azure-pipelines/linux/product-build-linux.yml
+++ b/build/azure-pipelines/linux/product-build-linux.yml
@@ -123,7 +123,7 @@ steps:
 
 - script: |
     set -e
-    DISPLAY=:10 yarn test-browser --build --browser chromium --browser firefox
+    DISPLAY=:10 yarn test-browser --build --browser chromium
   displayName: Run unit tests (Browser)
   condition: and(succeeded(), eq(variables['VSCODE_STEP_ON_IT'], 'false'))