diff --git a/mininet/util.py b/mininet/util.py
index 0c2b19b..05df136 100644
--- a/mininet/util.py
+++ b/mininet/util.py
@@ -359,17 +359,17 @@ def sysctlTestAndSet( name, limit ):
     "Helper function to set sysctl limits"
     #convert non-directory names into directory names
     if '/' not in name:
-        name = '/proc/sys/' + name.replace('.','/')
+        name = '/proc/sys/' + name.replace( '.', '/' )
     #read limit
-    f = open(name, 'r+')
+    f = open( name, 'r+' )
     oldLimit = f.readline()
     if type( limit ) is int:
         #compare integer limits before overriding
         if int( oldLimit ) < limit:
-            f.write("%d" % limit)
+            f.write( "%d" % limit )
     else:
         #overwrite non-integer limits
-        f.write(limit)
+        f.write( limit )
     f.close()
 
 def rlimitTestAndSet( name, limit ):
diff --git a/util/install.sh b/util/install.sh
index 5ecfc16..4873a8e 100755
--- a/util/install.sh
+++ b/util/install.sh
@@ -144,16 +144,6 @@ function mn_deps {
         python-setuptools cgroup-bin ethtool help2man \
         pyflakes pylint pep8
 
-    # TODO: remove this; it's  no longer necessary as these are check when mn starts
-    ## Add sysctl parameters as noted in the INSTALL file to increase kernel
-    ## limits to support larger setups:
-    #if ! grep Mininet /etc/sysctl.conf; then
-    #    echo "Adding Mininet sysctl settings"
-    #    sudo su -c "cat $MININET_DIR/mininet/util/sysctl_addon >> /etc/sysctl.conf"
-    #fi
-    ## Load new sysctl settings:
-    #sudo sysctl -p
-
     echo "Installing Mininet core"
     pushd $MININET_DIR/mininet
     sudo make install