diff --git a/browser-providers.conf.js b/browser-providers.conf.js
index a377f4fac6..74921df5e2 100644
--- a/browser-providers.conf.js
+++ b/browser-providers.conf.js
@@ -12,8 +12,10 @@
 // If a category becomes empty (e.g. BS and required), then the corresponding job must be commented
 // out in the CI configuration.
 var CIconfiguration = {
-  'Chrome': {unitTest: {target: 'SL', required: true}, e2e: {target: null, required: true}},
-  'Firefox': {unitTest: {target: 'SL', required: true}, e2e: {target: null, required: true}},
+  // Chrome and Firefox run as part of the Bazel browser tests, so we do not run them as
+  // part of the legacy Saucelabs tests.
+  'Chrome': {unitTest: {target: null, required: false}, e2e: {target: null, required: true}},
+  'Firefox': {unitTest: {target: null, required: false}, e2e: {target: null, required: true}},
   // Set ESR as a not required browser as it fails for Ivy acceptance tests.
   'FirefoxESR': {unitTest: {target: 'SL', required: false}, e2e: {target: null, required: true}},
   // Disabled because using the "beta" channel of Chrome can cause non-deterministic CI results.
diff --git a/tools/defaults.bzl b/tools/defaults.bzl
index 0fbfb1296c..b99e371f4f 100644
--- a/tools/defaults.bzl
+++ b/tools/defaults.bzl
@@ -245,7 +245,10 @@ def karma_web_test_suite(name, **kwargs):
         runtime_deps = runtime_deps,
         bootstrap = bootstrap,
         deps = deps,
-        browsers = ["//dev-infra/browsers/firefox:firefox"],
+        browsers = [
+            "//dev-infra/browsers/chromium:chromium",
+            "//dev-infra/browsers/firefox:firefox",
+        ],
         data = data,
         tags = tags,
         **kwargs