diff --git a/bin/elasticsearch.in.bat b/bin/elasticsearch.in.bat
index 18e7da4ad36..6dbca4fdd25 100644
--- a/bin/elasticsearch.in.bat
+++ b/bin/elasticsearch.in.bat
@@ -43,9 +43,6 @@ if NOT "%ES_DIRECT_SIZE%" == "" (
set JAVA_OPTS=%JAVA_OPTS% -XX:MaxDirectMemorySize=%ES_DIRECT_SIZE%
)
-REM reduce the per-thread stack size
-set JAVA_OPTS=%JAVA_OPTS% -Xss256k
-
REM set to headless, just in case
set JAVA_OPTS=%JAVA_OPTS% -Djava.awt.headless=true
diff --git a/bin/elasticsearch.in.sh b/bin/elasticsearch.in.sh
index c7b92e144df..6c28bf62051 100644
--- a/bin/elasticsearch.in.sh
+++ b/bin/elasticsearch.in.sh
@@ -30,9 +30,6 @@ if [ "x$ES_DIRECT_SIZE" != "x" ]; then
JAVA_OPTS="$JAVA_OPTS -XX:MaxDirectMemorySize=${ES_DIRECT_SIZE}"
fi
-# reduce the per-thread stack size
-JAVA_OPTS="$JAVA_OPTS -Xss256k"
-
# set to headless, just in case
JAVA_OPTS="$JAVA_OPTS -Djava.awt.headless=true"
diff --git a/dev-tools/ElasticSearch.launch b/dev-tools/ElasticSearch.launch
index 107c5c0abc6..7574d20b39f 100644
--- a/dev-tools/ElasticSearch.launch
+++ b/dev-tools/ElasticSearch.launch
@@ -13,5 +13,5 @@
-
+
diff --git a/pom.xml b/pom.xml
index b2f860505c1..19438b9732f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -494,7 +494,6 @@
-Xmx${tests.heap.size}
-Xms${tests.heap.size}
- -Xss256k
-XX:MaxPermSize=128m
-XX:MaxDirectMemorySize=512m
-Des.logger.prefix=