diff --git a/Tools/posix_run.sh b/Tools/posix_run.sh
index 500261fce8..fdeefb4a29 100755
--- a/Tools/posix_run.sh
+++ b/Tools/posix_run.sh
@@ -1,12 +1,5 @@
 #!/bin/bash
 
-if [ ! -c /tmp/ttyS0 ] || [ ! -c /tmp/ttyS1 ]
-	then
-	echo "Need to create /tmp/ttyS[01]"
-	echo "socat PTY,link=/tmp/ttyS0 PTY,link=/tmp/ttyS1"
-	exit 1
-fi
-
 if [ ! -d /fs/msdcard ] && [ ! -w /fs/msdcard ]
 	then
 	echo "Need to create/mount writable /fs/microsd"