diff --git a/ufl/sobolevspace.py b/ufl/sobolevspace.py
index ebff0f24d..a0069485e 100644
--- a/ufl/sobolevspace.py
+++ b/ufl/sobolevspace.py
@@ -66,7 +66,6 @@ def __repr__(self):
 
     def __eq__(self, other):
         """Check equality."""
-        print("XXXXX")
         return isinstance(other, SobolevSpace) and self.name == other.name
 
     def __ne__(self, other):