diff --git a/src/index.js b/src/index.js
index bb0d0270..26028a9a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,10 @@ if (typeof process === 'undefined' || !process.env?.RTL_SKIP_AUTO_CLEANUP) {
     teardown(() => {
       cleanup()
     })
+  } else {
+    console.warn(
+      `The current test runner does not support afterEach/teardown hooks. This means we won't be able to run automatic cleanup and you should be calling cleanup() manually.`,
+    )
   }
 
   // No test setup with other test runners available
@@ -35,6 +39,10 @@ if (typeof process === 'undefined' || !process.env?.RTL_SKIP_AUTO_CLEANUP) {
     afterAll(() => {
       setReactActEnvironment(previousIsReactActEnvironment)
     })
+  } else {
+    console.warn(
+      'The current test runner does not support beforeAll/afterAll hooks. This means you should be setting IS_REACT_ACT_ENVIRONMENT manually.',
+    )
   }
 }