diff --git a/src/config.sh b/src/config.sh
index 7d35879..bece9f9 100644
--- a/src/config.sh
+++ b/src/config.sh
@@ -35,9 +35,7 @@ fi
 # Check available memory as the very last step
 
 RAM_AVAIL=$(free -b | grep -m 1 Mem: | awk '{print $7}')
-RAM_TOTAL=$(free -b | grep -m 1 Mem: | awk '{print $2}')
 AVAIL_GB=$(( (RAM_AVAIL + 1073741823)/1073741824 ))
-TOTAL_GB=$(( (RAM_TOTAL + 1073741823)/1073741824 ))
 
 if (( (RAM_WANTED + 500000000) > RAM_AVAIL )); then
   error "Your configured RAM_SIZE of $WANTED_GB GB is higher than the $AVAIL_GB GB of memory available, please set a lower value."