diff --git a/testing/install_script.sh b/testing/install_script.sh
index 96af86c..a714d9d 100644
--- a/testing/install_script.sh
+++ b/testing/install_script.sh
@@ -88,9 +88,6 @@ fi
 sleep 1
 echo "INFO ! Setting game port."
 sed -i '/server-port='*'/c\server-port='$GAME_PORT'' /MCserver/server.properties
-
-echo "INFO ! Setting java memory size."
-sed -i '/java -Xmx'*' -Xms'*' -Xmn'*' -jar $JAR nogui/c\java -Xmx'$XMX' -Xms'$XMS' -Xmn'$XMN' -jar $JAR nogui/' /MCserver/run-*.sh
 sleep 1
 
 # Set permissions.
diff --git a/testing/run.sh b/testing/run.sh
index 6ae7614..438c3ba 100644
--- a/testing/run.sh
+++ b/testing/run.sh
@@ -6,7 +6,7 @@ cd /MCserver
 JAR=./MCserver-*.jar
 
 while [ true ]; do
-  java -Xmx4G -Xms1G -Xmn1G -jar $JAR nogui
+  java -Xmx$XMX -Xms$XMS -Xmn$XMN -jar $JAR nogui
   if [ $? -eq 0 ]; then
     break
   fi