diff --git a/test/functional/test_framework/script.py b/test/functional/test_framework/script.py
index dae8a4e569..6fe0b445da 100644
--- a/test/functional/test_framework/script.py
+++ b/test/functional/test_framework/script.py
@@ -526,11 +526,9 @@ class CScript(bytes):
                     yield CScriptOp(opcode)
 
     def __repr__(self):
-        # For Python3 compatibility add b before strings so testcases don't
-        # need to change
         def _repr(o):
             if isinstance(o, bytes):
-                return b"x('%s')" % hexlify(o).decode('ascii')
+                return "x('%s')" % hexlify(o).decode('ascii')
             else:
                 return repr(o)