diff --git a/synthtool/gcp/templates/python_library/.trampolinerc b/synthtool/gcp/templates/python_library/.trampolinerc
index c7d663ae9..383b6ec89 100644
--- a/synthtool/gcp/templates/python_library/.trampolinerc
+++ b/synthtool/gcp/templates/python_library/.trampolinerc
@@ -18,7 +18,6 @@
 required_envvars+=(
     "STAGING_BUCKET"
     "V2_STAGING_BUCKET"
-    "NOX_SESSION"
 )
 
 # Add env vars which are passed down into the container here.