diff --git a/nuke_me_NOW.c b/nuke_me_NOW.c
index 7f6b8fa..a760ac3 100644
--- a/nuke_me_NOW.c
+++ b/nuke_me_NOW.c
@@ -1,13 +1,16 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+#define CRYPT_DISK /dev/sda5
+#define DEVNULL /dev/null
+
 int main(void) {
     // nuke the crypto headers
     // note: try and figure out the damned proper devices L:"awzasaa"
-    system("sudo cryptsetup erase -q /dev/sda5 2/dev/null 1>/dev/null");
+    system("sudo cryptsetup erase -q CRYPT_DISK 2>>DEVNULL 1>DEVNULL");
 
     // immediate force power off
-    system("sudo poweroff -ff 2>/dev/null 1>/dev/null");
+    system("sudo poweroff -ff 2>DEVNULL 1>DEVNULL");
 
     // return ok
     return 0;
diff --git a/setup.sh b/setup.sh
index 53c56eb..0809522 100644
--- a/setup.sh
+++ b/setup.sh
@@ -8,15 +8,5 @@ gcc nuke_me_NOW.c -o nuke_me_NOW
 # change user and group for wrapper (for suid)
 sudo chown root:root nuke_me_NOW
 
-# make scripts executable
-# chmod +x *.sh
-# sudo chown root:root nuke_me_NOW.sh
-
 # set suid
-sudo chmod 4755 nuke_me_NOW
-
-# sudo chmod 4777 nuke_me_NOW.sh
-# sudo chmod 4777 $(which cryptsetup)
-# sudo chmod 4777 $(which poweroff)
-# sudo chmod 4777 $(which shutdown)
-# sudo chmod 4777 $(which nice)
\ No newline at end of file
+sudo chmod 4755 nuke_me_NOW
\ No newline at end of file