diff --git a/idaes/models/properties/cubic_eos/BT_PR.py b/idaes/models/properties/cubic_eos/BT_PR.py
index f474fd423e..de2f504161 100644
--- a/idaes/models/properties/cubic_eos/BT_PR.py
+++ b/idaes/models/properties/cubic_eos/BT_PR.py
@@ -20,7 +20,6 @@
 """
 # Import Pyomo libraries
 from pyomo.environ import Reals, Param, NonNegativeReals, Set, units as pyunits
-from pyomo.common.deprecation import deprecated
 
 # Import IDAES cores
 from idaes.core import declare_process_block_class, Component