diff --git a/build.yaml b/build.yaml
index a7c11068a057a8948c918ed2168612d76155f0b9..f3b76e246e9c07698ca5849250f24789394dbb10 100644
--- a/build.yaml
+++ b/build.yaml
@@ -1368,9 +1368,7 @@ targets:
   - gpr_test_util
   - gpr
   platforms:
-  - mac
   - linux
-  - posix
 - name: init_test
   build: test
   language: c
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 82f4b7eedaba7a1b6e3ba3d2122e890dc3c8f486..e2ac7e2bd955d4e63149a9ba7f8d48bec8821244 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -853,18 +853,14 @@
   }, 
   {
     "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ], 
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
     "name": "httpscli_test", 
     "platforms": [
-      "linux", 
-      "mac", 
-      "posix"
+      "linux"
     ]
   }, 
   {