diff --git a/instrumentation/opentelemetry_phoenix/test/test_helper.exs b/instrumentation/opentelemetry_phoenix/test/test_helper.exs
index 2ec33292..869559e7 100644
--- a/instrumentation/opentelemetry_phoenix/test/test_helper.exs
+++ b/instrumentation/opentelemetry_phoenix/test/test_helper.exs
@@ -1,2 +1 @@
 ExUnit.start()
-Code.put_compiler_option(:warnings_as_errors, true)