diff --git a/init/msm b/init/msm
index ab00d39..55e56b6 100755
--- a/init/msm
+++ b/init/msm
@@ -3251,7 +3251,7 @@ register_settings() {
 	register_server_setting WORLDS_FLAG_INRAM "inram"
 
 	register_server_setting RAM "1024"
-	register_server_setting INVOCATION "java -Xms{RAM}M -Xmx{RAM}M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalPacing -XX:+AggressiveOpts -jar {JAR} nogui"
+	register_server_setting INVOCATION "java -Xms{RAM}M -Xmx{RAM}M -jar {JAR} nogui"
 	register_server_setting STOP_DELAY "10"
 	register_server_setting RESTART_DELAY "10"
 
diff --git a/msm.conf b/msm.conf
index 3306178..bec9db9 100644
--- a/msm.conf
+++ b/msm.conf
@@ -162,7 +162,7 @@ DEFAULT_RAM="1024"
 #
 # Hard coding values here (not using {MEMORY} and {JAR} tags) will prevent
 # servers from individually overriding those values.
-DEFAULT_INVOCATION="java -Xms{RAM}M -Xmx{RAM}M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalPacing -XX:+AggressiveOpts -jar {JAR} nogui"
+DEFAULT_INVOCATION="java -Xms{RAM}M -Xmx{RAM}M -jar {JAR} nogui"
 
 
 # The default time to delay between warning players the server is stopping and
diff --git a/test.sh b/test.sh
index 7ef212b..0969a5b 100755
--- a/test.sh
+++ b/test.sh
@@ -48,7 +48,7 @@ setUp() {
 	echo "DEBUG=\"true\"" >> "$MSM_CONF"
 	echo "DEFAULT_USERNAME=\"${USERNAME}\"" >> "$MSM_CONF"
 	echo "DEFAULT_SCREEN_NAME=\"msmtest-${SERVER_NAME}\"" >> "$MSM_CONF"
-	echo "DEFAULT_INVOCATION=\"java -Xmx${TEST_RAM}M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalPacing -XX:+AggressiveOpts -jar {JAR} nogui\"" >> "$MSM_CONF"
+	echo "DEFAULT_INVOCATION=\"java -Xmx${TEST_RAM}M -jar {JAR} nogui\"" >> "$MSM_CONF"
 
 	source $TEST_SCRIPT