diff --git a/compiler/verify/__init__.py b/compiler/verify/__init__.py
index b8e5175c..326771f8 100644
--- a/compiler/verify/__init__.py
+++ b/compiler/verify/__init__.py
@@ -72,7 +72,6 @@ elif "magic"==OPTS.pex_exe[0]:
 else:
     debug.warning("Did not find a supported PEX tool."
                   + "Disable DRC/LVS with check_lvsdrc=False to ignore.", 2)
-OPTS.calibre_pex = len(OPTS.pex_exe) > 0 and OPTS.pex_exe[0] == "calibre"
 
 # if OPTS.tech_name == "sky130":
 #     if OPTS.magic_exe and "magic"==OPTS.magic_exe[0]: