diff --git a/cscs-checks/system/io/ior_check.py b/cscs-checks/system/io/ior_check.py
index 4abdda5d9d..534a7144c8 100644
--- a/cscs-checks/system/io/ior_check.py
+++ b/cscs-checks/system/io/ior_check.py
@@ -132,7 +132,6 @@ def __init__(self, base_dir):
                 r'^Max Write:\s+(?P<write_bw>\S+) MiB/sec', self.stdout,
                 'write_bw', float)
         }
-        # Convert from MiB/s to bytes/s
         self.tags |= {'write'}
 
 
@@ -152,5 +151,4 @@ def __init__(self, base_dir):
                 r'^Max Read:\s+(?P<read_bw>\S+) MiB/sec', self.stdout,
                 'read_bw', float)
         }
-        # Convert from MiB/s to bytes/s
         self.tags |= {'read'}