diff --git a/exts/omni.warp.core/omni/warp/core/tests/test_ext.py b/exts/omni.warp.core/omni/warp/core/tests/test_ext.py
index 46fb22ef..66aa1991 100644
--- a/exts/omni.warp.core/omni/warp/core/tests/test_ext.py
+++ b/exts/omni.warp.core/omni/warp/core/tests/test_ext.py
@@ -17,6 +17,8 @@
 
 import omni.kit.test
 
+import warp as wp
+
 TEST_DESCS = (
     ("test_array", "TestArray"),
     ("test_array_reduce", "TestArrayReduce"),
@@ -76,3 +78,6 @@
 # Each test class needs to be defined at the module level to be found by
 # the test runners.
 locals().update({str(i): x for i, x in enumerate(test_clss)})
+
+# Clear caches to ensure determinism.
+wp.clear_kernel_cache()