diff --git a/sycl/test/function-pointers/fp-as-kernel-arg.cpp b/sycl/test/function-pointers/fp-as-kernel-arg.cpp
index 0c34ccc5cc607..dfd8ba1ffb0e0 100644
--- a/sycl/test/function-pointers/fp-as-kernel-arg.cpp
+++ b/sycl/test/function-pointers/fp-as-kernel-arg.cpp
@@ -1,6 +1,7 @@
 // UNSUPPORTED: windows
-// UNSUPPORTED: cuda
+// UNSUPPORTED: cuda || level_zero
 // CUDA does not support the function pointer as kernel argument extension.
+// Hangs on level zero
 
 // RUN: %clangxx -Xclang -fsycl-allow-func-ptr -std=c++14 -fsycl %s -o %t.out
 // RUN: env SYCL_DEVICE_TYPE=HOST %t.out
diff --git a/sycl/test/function-pointers/pass-fp-through-buffer.cpp b/sycl/test/function-pointers/pass-fp-through-buffer.cpp
index 26685ec11a794..65b0c7ec6d760 100644
--- a/sycl/test/function-pointers/pass-fp-through-buffer.cpp
+++ b/sycl/test/function-pointers/pass-fp-through-buffer.cpp
@@ -1,6 +1,7 @@
 // UNSUPPORTED: windows
-// UNSUPPORTED: cuda
+// UNSUPPORTED: cuda || level_zero
 // CUDA does not support the function pointer as kernel argument extension.
+// Hangs on level zero
 
 // RUN: %clangxx -Xclang -fsycl-allow-func-ptr -std=c++14 -fsycl %s -o %t.out
 // RUN: env SYCL_DEVICE_TYPE=HOST %t.out