diff --git a/api/onnx_web/server/model_cache.py b/api/onnx_web/server/model_cache.py
index c9f9df4e..b7207c41 100644
--- a/api/onnx_web/server/model_cache.py
+++ b/api/onnx_web/server/model_cache.py
@@ -53,6 +53,11 @@ class ModelCache:
         cache.append((tag, key, value))
         self.prune()
 
+    def clear(self):
+        global cache
+
+        cache.clear()
+
     def prune(self):
         global cache
 
diff --git a/api/tests/server/test_model_cache.py b/api/tests/server/test_model_cache.py
index 149b22e9..000065d0 100644
--- a/api/tests/server/test_model_cache.py
+++ b/api/tests/server/test_model_cache.py
@@ -5,18 +5,21 @@ from onnx_web.server.model_cache import ModelCache
 class TestStringMethods(unittest.TestCase):
   def test_drop_existing(self):
     cache = ModelCache(10)
+    cache.clear()
     cache.set("foo", ("bar",), {})
     self.assertGreater(cache.size, 0)
     self.assertEqual(cache.drop("foo", ("bar",)), 1)
 
   def test_drop_missing(self):
     cache = ModelCache(10)
+    cache.clear()
     cache.set("foo", ("bar",), {})
     self.assertGreater(cache.size, 0)
     self.assertEqual(cache.drop("foo", ("bin",)), 0)
 
   def test_get_existing(self):
     cache = ModelCache(10)
+    cache.clear()
     value = {}
     cache.set("foo", ("bar",), value)
     self.assertGreater(cache.size, 0)
@@ -24,6 +27,7 @@ class TestStringMethods(unittest.TestCase):
 
   def test_get_missing(self):
     cache = ModelCache(10)
+    cache.clear()
     value = {}
     cache.set("foo", ("bar",), value)
     self.assertGreater(cache.size, 0)