diff --git a/pymeasure/adapters/visa.py b/pymeasure/adapters/visa.py
index 9ea5bdbe7a..8eaaf50cf9 100644
--- a/pymeasure/adapters/visa.py
+++ b/pymeasure/adapters/visa.py
@@ -31,8 +31,6 @@
 log = logging.getLogger(__name__)
 log.addHandler(logging.NullHandler())
 
-long = int # Python 3 fix
-
 class VISAAdapter(Adapter):
     """ Adapter class for the VISA library using PyVISA to communicate
     to instruments. Inherit from either class VISAAdapter14 or VISAAdapter15.