diff --git a/resource/opentelemetry-resource-detector-azure/pyproject.toml b/resource/opentelemetry-resource-detector-azure/pyproject.toml
index ea4be96948..72260709f9 100644
--- a/resource/opentelemetry-resource-detector-azure/pyproject.toml
+++ b/resource/opentelemetry-resource-detector-azure/pyproject.toml
@@ -27,9 +27,6 @@ dependencies = [
   "opentelemetry-sdk ~= 1.21",
 ]
 
-[project.optional-dependencies]
-test = []
-
 [project.entry-points.opentelemetry_resource_detector]
 azure_app_service = "opentelemetry.resource.detector.azure.app_service:AzureAppServiceResourceDetector"
 azure_vm = "opentelemetry.resource.detector.azure.vm:AzureVMResourceDetector"