diff --git a/cmd/arcstat/arcstat.py b/cmd/arcstat/arcstat.py
index b52a8c294..d7d3e9b73 100755
--- a/cmd/arcstat/arcstat.py
+++ b/cmd/arcstat/arcstat.py
@@ -112,7 +112,6 @@ cur = {}
 d = {}
 out = None
 kstat = None
-float_pobj = re.compile("^[0-9]+(\.[0-9]+)?$")
 
 
 def detailed_usage():