diff --git a/bin/read_config b/bin/read_config
index f9dd3ab..c0b714d 100644
--- a/bin/read_config
+++ b/bin/read_config
@@ -1,11 +1,5 @@
-FS_SIZE=512
-MEM=1024
-
-if [ "x$APP" == x ]
-then export APP=/app/root
+if [ "x$MEM" == x ]
+then MEM=1024
 fi
 
-. "$APP/config.sh"
-
-export FS_SIZE="$FS_SIZE"
 export MEM="$MEM"