diff --git a/addon/YaCy.app/Contents/Info.plist b/addon/YaCy.app/Contents/Info.plist
index 21f099847..47d3bb6c7 100644
--- a/addon/YaCy.app/Contents/Info.plist
+++ b/addon/YaCy.app/Contents/Info.plist
@@ -25,7 +25,7 @@
 	<key>Java</key>
 	<dict>
 		<key>VMOptions</key>
-		<string>-Xmx600m -Xms180m -Xss256k -XX:MaxPermSize=256m -XX:ReservedCodeCacheSize=1024m -XX:-UseGCOverheadLimit -XX:+UseAdaptiveSizePolicy -Djava.net.preferIPv4Stack=true -Dfile.encoding=UTF-8</string>
+		<string>-Xmx600m -Xms180m -Xss256k -XX:MaxPermSize=256m -XX:-UseGCOverheadLimit -XX:+UseAdaptiveSizePolicy -Djava.net.preferIPv4Stack=true -Dfile.encoding=UTF-8</string>
 		<key>WorkingDirectory</key>
 		<string>$APP_PACKAGE/Contents/Resources/Java</string>
 		<key>MainClass</key>
diff --git a/addon/yacyInit.m4 b/addon/yacyInit.m4
index 09f78dfe7..c866781f7 100644
--- a/addon/yacyInit.m4
+++ b/addon/yacyInit.m4
@@ -57,7 +57,7 @@ SHUTDOWN_TIMEOUT=50
 # Default niceness if not set in config file
 NICE_VAL=0
 
-JAVA_ARGS="-server -Xss256k -XX:MaxPermSize=256m -XX:ReservedCodeCacheSize=1024m -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseGCOverheadLimit -XX:+UseAdaptiveSizePolicy -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -Dfile.encoding=UTF-8"
+JAVA_ARGS="-server -XX:MaxPermSize=256m -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseGCOverheadLimit -XX:+UseAdaptiveSizePolicy -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -Dfile.encoding=UTF-8"
 #check if system supports large memory pages and enable it if possible
 HUGEPAGESTOTAL="$(cat /proc/meminfo | grep HugePages_Total | sed s/[^0-9]//g)"
 if [ -n "$HUGEPAGESTOTAL" ] && [ $HUGEPAGESTOTAL -ne 0 ]
diff --git a/startYACY.bat b/startYACY.bat
index 2bfa7e536..9eee917cc 100644
--- a/startYACY.bat
+++ b/startYACY.bat
@@ -18,7 +18,7 @@ if exist DATA\SETTINGS\httpProxy.conf GoTo :RENAMEINDEX
 if exist DATA\SETTINGS\yacy.conf GoTo :GETSTARTOPTS
 
 :STARTJAVA
-set javacmd=%javacmd% -Xss256k -XX:MaxPermSize=256m -XX:ReservedCodeCacheSize=1024m -XX:-UseGCOverheadLimit -XX:+UseAdaptiveSizePolicy -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -Dfile.encoding=UTF-8
+set javacmd=%javacmd% -XX:-UseGCOverheadLimit -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -Dfile.encoding=UTF-8
 Rem Starting YaCy
 Echo Generated classpath:%CLASSPATH%
 Echo JRE Parameters:%javacmd%
diff --git a/startYACY.sh b/startYACY.sh
index 5685f8dc3..7d3c6508d 100755
--- a/startYACY.sh
+++ b/startYACY.sh
@@ -6,7 +6,7 @@ PIDFILE="yacy.pid"
 OS="`uname`"
 
 #get javastart args
-JAVA_ARGS="-server -Xss256k -XX:MaxPermSize=256m -XX:ReservedCodeCacheSize=1024m -XX:-UseGCOverheadLimit -XX:+UseAdaptiveSizePolicy -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -Dfile.encoding=UTF-8";
+JAVA_ARGS="-server -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -Dfile.encoding=UTF-8";
 #JAVA_ARGS="-verbose:gc -XX:+PrintGCTimeStamps -XX:+PrintGCDetails $JAVA_ARGS";
 
 #check if OS is Sun Solaris or one of the OpenSolaris distributions and use different version of id if necessary
diff --git a/startYACY_debug.bat b/startYACY_debug.bat
index f8ff5a539..87c429957 100644
--- a/startYACY_debug.bat
+++ b/startYACY_debug.bat
@@ -20,7 +20,7 @@ if exist DATA\SETTINGS\httpProxy.conf GoTo :RENAMEINDEX
 if exist DATA\SETTINGS\yacy.conf GoTo :GETSTARTOPTS
 
 :STARTJAVA
-set javacmd=%javacmd% -Xss256k -XX:MaxPermSize=256m -XX:ReservedCodeCacheSize=1024m -XX:-UseGCOverheadLimit -XX:+UseAdaptiveSizePolicy -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -Dfile.encoding=UTF-8
+set javacmd=%javacmd% -XX:-UseGCOverheadLimit -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -Dfile.encoding=UTF-8
 Rem Starting YaCy
 Echo Generated classpath:%CLASSPATH%
 Echo JRE Parameters:%javacmd%