diff --git a/cmd/arcstat/arcstat.py b/cmd/arcstat/arcstat.py
index b52a8c2947..d7d3e9b731 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():
diff --git a/tests/test-runner/bin/zts-report.py b/tests/test-runner/bin/zts-report.py
index efee5d989b..8b58950b8d 100755
--- a/tests/test-runner/bin/zts-report.py
+++ b/tests/test-runner/bin/zts-report.py
@@ -292,9 +292,10 @@ def process_results(pathname):
         sys.exit(1)
 
     prefix = '/zfs-tests/tests/functional/'
-    pattern = '^Test:\s*\S*%s(\S+)\s*\(run as (\S+)\)\s*\[(\S+)\]\s*\[(\S+)\]'\
+    pattern = \
+        r'^Test:\s*\S*%s(\S+)\s*\(run as (\S+)\)\s*\[(\S+)\]\s*\[(\S+)\]' \
         % prefix
-    pattern_log = '^\s*Log directory:\s*(\S*)'
+    pattern_log = r'^\s*Log directory:\s*(\S*)'
 
     d = {}
     for l in f.readlines():