diff --git a/bin/reproducible_node_health_check.sh b/bin/reproducible_node_health_check.sh
index e6bb33b84828ec74d75957c21956c6fa6eb3f5a6..6dfb12fde7fb29b1370b26b167231356d02a1a44 100755
--- a/bin/reproducible_node_health_check.sh
+++ b/bin/reproducible_node_health_check.sh
@@ -89,18 +89,6 @@ if [ $TIMEOUT -ne 0 ] ; then
 	exit 1
 fi
 
-#
-# check for correct MTU
-#
-echo "$(date -u) - testing whether the network interfaces MTU is 1500..."
-if [ "$(ip link | sed -n '/LOOPBACK\|NOARP/!s/.* mtu \([0-9]*\) .*/\1/p' | sort -u)" != "1500" ] ; then
-	ip link
-	echo "$(date -u) - network interfaces MTU != 1500 - this is wrong.  => please \`sudo ifconfig eth0 mtu 1500\`"
-	# should probably turn this into a warning if this becomes to annoying
-	echo "Warning: $HOSTNAME has wrong MTU, please tell the jenkins admins to fix this.  (sudo ifconfig eth0 mtu 1500)"
-	DIRTY=true
-fi
-
 #
 # check for correct future
 #
diff --git a/hosts/common/etc/rc.local b/hosts/common/etc/rc.local
index 935ea2e7f007b10ad5f820d34084c5cfbdeac289..d940980a8c3a597c05b27995504e2d2a935906ab 100755
--- a/hosts/common/etc/rc.local
+++ b/hosts/common/etc/rc.local
@@ -44,17 +44,6 @@ fixup_shm() {
 	chmod 1777 /dev/shm
 }
 
-fixup_mtu() {
-	# only act on systems which have eth0
-	if ip link show eth0 >/dev/null 2>&1 ; then
-		# if MTU != 1500 set it to 1500
-		if [ -z "$(ip link show eth0 | grep 'eth0:' | grep 'mtu 1500 ' || true)" ] ; then
-			ip link set dev eth0 mtu 1500
-		fi
-		ip link show eth0
-	fi
-}
-
 fixup_pbuilder_lockfiles() {
 	rm -f /var/cache/pbuilder/*.tgz.tmp
 }
@@ -69,10 +58,6 @@ MESSAGE="$(hostname -f) rebooted"
 #
 fixup_shm
 
-#
-# fixup eth0's MTU if needed
-fixup_mtu
-
 #
 # configure iptables to drop incoming UDP packets
 #