diff --git a/gracedb/api/backends.py b/gracedb/api/backends.py
index 52252964fcd41cb21fa72897f8489485b0a09568..3766ecdb5a9cbb34bb91121e610dc706a2d2c445 100644
--- a/gracedb/api/backends.py
+++ b/gracedb/api/backends.py
@@ -221,7 +221,6 @@ class GraceDbX509FullCertAuthentication(GraceDbX509Authentication):
 
     def authenticate(self, request):
 
-        raise ValueError(request)
         # Make sure this request is directed to the API
         if self.api_only and not is_api_request(request.path):
             return None