diff --git a/packages/google-cloud-resource-manager/setup.py b/packages/google-cloud-resource-manager/setup.py
index e228211a6440..c6d0fa9d5556 100644
--- a/packages/google-cloud-resource-manager/setup.py
+++ b/packages/google-cloud-resource-manager/setup.py
@@ -29,7 +29,6 @@
 # 'Development Status :: 5 - Production/Stable'
 release_status = 'Development Status :: 3 - Alpha'
 dependencies = [
-    'google-api-core >= 1.6.0, < 2.0.0dev',
     "google-cloud-core >= 1.0.0, < 2.0dev",
 ]
 extras = {