diff --git a/tests/opentelemetry-test-utils/test-requirements.txt b/tests/opentelemetry-test-utils/test-requirements.txt
index 6b4dbcec04..8d36923bfe 100644
--- a/tests/opentelemetry-test-utils/test-requirements.txt
+++ b/tests/opentelemetry-test-utils/test-requirements.txt
@@ -14,8 +14,7 @@ zipp==3.19.2
 -e opentelemetry-semantic-conventions
 -e tests/opentelemetry-test-utils
 # these are required for weaver integration tests, we're running that only on linux / CPython
-# because of lack of support for gRPC on Windows in some cases.
-# note: tox does not support PEP 508 markers on `-e` editable installs, so these are installed non-editable
-./opentelemetry-proto ; sys_platform != 'win32' and platform_python_implementation != 'PyPy'
-./exporter/opentelemetry-exporter-otlp-proto-common ; sys_platform != 'win32' and platform_python_implementation != 'PyPy'
-./exporter/opentelemetry-exporter-otlp-proto-grpc ; sys_platform != 'win32' and platform_python_implementation != 'PyPy'
+# because of lack of support for gRPC wheels on some platforms
+./opentelemetry-proto ; platform_python_implementation != 'PyPy'
+./exporter/opentelemetry-exporter-otlp-proto-common ; platform_python_implementation != 'PyPy'
+./exporter/opentelemetry-exporter-otlp-proto-grpc ; platform_python_implementation != 'PyPy'