diff --git a/.github/workflows/twister.yaml b/.github/workflows/twister.yaml
index 4b414a7c9b48d..6e1384c5a477b 100644
--- a/.github/workflows/twister.yaml
+++ b/.github/workflows/twister.yaml
@@ -19,8 +19,7 @@ concurrency:
 
 jobs:
   twister-build-prep:
-    if: github.repository_owner == 'zephyrproject-rtos'
-    runs-on: zephyr-runner-linux-x64-4xlarge
+    runs-on: ubuntu-latest
     container:
       image: ghcr.io/zephyrproject-rtos/ci:v0.26.4
       options: '--entrypoint /bin/bash'
@@ -116,7 +115,7 @@ jobs:
           echo "fullrun=${TWISTER_FULL}" >> $GITHUB_OUTPUT
 
   twister-build:
-    runs-on: zephyr-runner-linux-x64-4xlarge
+    runs-on: ubuntu-latest
     needs: twister-build-prep
     if: needs.twister-build-prep.outputs.size != 0
     container:
diff --git a/tests/kernel/common/src/atomic.c b/tests/kernel/common/src/atomic.c
index 02b97fb1e85e2..00487c336f39f 100644
--- a/tests/kernel/common/src/atomic.c
+++ b/tests/kernel/common/src/atomic.c
@@ -130,7 +130,7 @@ ZTEST_USER(atomic, test_atomic)
 		     "atomic_ptr_cas");
 	zassert_true((ptr_target == ptr_value), "atomic_ptr_cas");
 
-	/* atomic_add() */
+	/* atomic_add() */ 
 	target = 1;
 	value = 2;
 	zassert_true((atomic_add(&target, value) == 1), "atomic_add");