diff --git a/examples/conf/druid/auto/_common/common.jvm.config b/examples/conf/druid/auto/_common/common.jvm.config
index fd74cf358979..0c488a2bceaf 100644
--- a/examples/conf/druid/auto/_common/common.jvm.config
+++ b/examples/conf/druid/auto/_common/common.jvm.config
@@ -1,6 +1,5 @@
 -server
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/cluster/master/coordinator-overlord/jvm.config b/examples/conf/druid/cluster/master/coordinator-overlord/jvm.config
index 5df7d606725a..00cfa42c6300 100644
--- a/examples/conf/druid/cluster/master/coordinator-overlord/jvm.config
+++ b/examples/conf/druid/cluster/master/coordinator-overlord/jvm.config
@@ -2,7 +2,6 @@
 -Xms15g
 -Xmx15g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/cluster/query/router/jvm.config b/examples/conf/druid/cluster/query/router/jvm.config
index a844c40b1eac..8fd91200735b 100644
--- a/examples/conf/druid/cluster/query/router/jvm.config
+++ b/examples/conf/druid/cluster/query/router/jvm.config
@@ -1,7 +1,6 @@
 -server
 -Xms1g
 -Xmx1g
--XX:+UseG1GC
 -XX:MaxDirectMemorySize=128m
 -XX:+ExitOnOutOfMemoryError
 -Duser.timezone=UTC
diff --git a/examples/conf/druid/single-server/large/broker/jvm.config b/examples/conf/druid/single-server/large/broker/jvm.config
index 6c43c24dbb4b..f554b705e101 100644
--- a/examples/conf/druid/single-server/large/broker/jvm.config
+++ b/examples/conf/druid/single-server/large/broker/jvm.config
@@ -3,7 +3,6 @@
 -Xmx12g
 -XX:MaxDirectMemorySize=11g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/large/coordinator-overlord/jvm.config b/examples/conf/druid/single-server/large/coordinator-overlord/jvm.config
index 5df7d606725a..00cfa42c6300 100644
--- a/examples/conf/druid/single-server/large/coordinator-overlord/jvm.config
+++ b/examples/conf/druid/single-server/large/coordinator-overlord/jvm.config
@@ -2,7 +2,6 @@
 -Xms15g
 -Xmx15g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/large/historical/jvm.config b/examples/conf/druid/single-server/large/historical/jvm.config
index 16e1f5d7825b..8b105559b007 100644
--- a/examples/conf/druid/single-server/large/historical/jvm.config
+++ b/examples/conf/druid/single-server/large/historical/jvm.config
@@ -3,7 +3,6 @@
 -Xmx16g
 -XX:MaxDirectMemorySize=25g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/large/middleManager/jvm.config b/examples/conf/druid/single-server/large/middleManager/jvm.config
index 82597e0b956b..69d307c31207 100644
--- a/examples/conf/druid/single-server/large/middleManager/jvm.config
+++ b/examples/conf/druid/single-server/large/middleManager/jvm.config
@@ -2,7 +2,6 @@
 -Xms256m
 -Xmx256m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/large/router/jvm.config b/examples/conf/druid/single-server/large/router/jvm.config
index a844c40b1eac..8fd91200735b 100644
--- a/examples/conf/druid/single-server/large/router/jvm.config
+++ b/examples/conf/druid/single-server/large/router/jvm.config
@@ -1,7 +1,6 @@
 -server
 -Xms1g
 -Xmx1g
--XX:+UseG1GC
 -XX:MaxDirectMemorySize=128m
 -XX:+ExitOnOutOfMemoryError
 -Duser.timezone=UTC
diff --git a/examples/conf/druid/single-server/medium/broker/jvm.config b/examples/conf/druid/single-server/medium/broker/jvm.config
index a4bf3d910971..a2cbe7908783 100644
--- a/examples/conf/druid/single-server/medium/broker/jvm.config
+++ b/examples/conf/druid/single-server/medium/broker/jvm.config
@@ -3,7 +3,6 @@
 -Xmx8g
 -XX:MaxDirectMemorySize=5g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/medium/coordinator-overlord/jvm.config b/examples/conf/druid/single-server/medium/coordinator-overlord/jvm.config
index dbddd50ce8d0..485137ad3d89 100644
--- a/examples/conf/druid/single-server/medium/coordinator-overlord/jvm.config
+++ b/examples/conf/druid/single-server/medium/coordinator-overlord/jvm.config
@@ -2,7 +2,6 @@
 -Xms9g
 -Xmx9g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/medium/historical/jvm.config b/examples/conf/druid/single-server/medium/historical/jvm.config
index f31ae92ba9fc..891312f3c689 100644
--- a/examples/conf/druid/single-server/medium/historical/jvm.config
+++ b/examples/conf/druid/single-server/medium/historical/jvm.config
@@ -3,7 +3,6 @@
 -Xmx8g
 -XX:MaxDirectMemorySize=13g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/medium/middleManager/jvm.config b/examples/conf/druid/single-server/medium/middleManager/jvm.config
index 82597e0b956b..69d307c31207 100644
--- a/examples/conf/druid/single-server/medium/middleManager/jvm.config
+++ b/examples/conf/druid/single-server/medium/middleManager/jvm.config
@@ -2,7 +2,6 @@
 -Xms256m
 -Xmx256m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/medium/router/jvm.config b/examples/conf/druid/single-server/medium/router/jvm.config
index 6fc9b4cdfefc..ebecad4435eb 100644
--- a/examples/conf/druid/single-server/medium/router/jvm.config
+++ b/examples/conf/druid/single-server/medium/router/jvm.config
@@ -1,7 +1,6 @@
 -server
 -Xms512m
 -Xmx512m
--XX:+UseG1GC
 -XX:MaxDirectMemorySize=128m
 -XX:+ExitOnOutOfMemoryError
 -Duser.timezone=UTC
diff --git a/examples/conf/druid/single-server/micro-quickstart/broker/jvm.config b/examples/conf/druid/single-server/micro-quickstart/broker/jvm.config
index cf72e5d2df9b..5d666f6db234 100644
--- a/examples/conf/druid/single-server/micro-quickstart/broker/jvm.config
+++ b/examples/conf/druid/single-server/micro-quickstart/broker/jvm.config
@@ -3,7 +3,6 @@
 -Xmx512m
 -XX:MaxDirectMemorySize=768m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/micro-quickstart/coordinator-overlord/jvm.config b/examples/conf/druid/single-server/micro-quickstart/coordinator-overlord/jvm.config
index 8ab5708c320c..aae520d8325f 100644
--- a/examples/conf/druid/single-server/micro-quickstart/coordinator-overlord/jvm.config
+++ b/examples/conf/druid/single-server/micro-quickstart/coordinator-overlord/jvm.config
@@ -2,7 +2,6 @@
 -Xms256m
 -Xmx256m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/micro-quickstart/historical/jvm.config b/examples/conf/druid/single-server/micro-quickstart/historical/jvm.config
index 8747402e85aa..79edb06e2030 100644
--- a/examples/conf/druid/single-server/micro-quickstart/historical/jvm.config
+++ b/examples/conf/druid/single-server/micro-quickstart/historical/jvm.config
@@ -3,7 +3,6 @@
 -Xmx512m
 -XX:MaxDirectMemorySize=1280m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/micro-quickstart/middleManager/jvm.config b/examples/conf/druid/single-server/micro-quickstart/middleManager/jvm.config
index 30b023cfb8db..8a650fb358c9 100644
--- a/examples/conf/druid/single-server/micro-quickstart/middleManager/jvm.config
+++ b/examples/conf/druid/single-server/micro-quickstart/middleManager/jvm.config
@@ -2,7 +2,6 @@
 -Xms64m
 -Xmx64m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/micro-quickstart/router/jvm.config b/examples/conf/druid/single-server/micro-quickstart/router/jvm.config
index e74d6b1375f4..b822f4601790 100644
--- a/examples/conf/druid/single-server/micro-quickstart/router/jvm.config
+++ b/examples/conf/druid/single-server/micro-quickstart/router/jvm.config
@@ -1,7 +1,6 @@
 -server
 -Xms128m
 -Xmx128m
--XX:+UseG1GC
 -XX:MaxDirectMemorySize=128m
 -XX:+ExitOnOutOfMemoryError
 -Duser.timezone=UTC
diff --git a/examples/conf/druid/single-server/nano-quickstart/broker/jvm.config b/examples/conf/druid/single-server/nano-quickstart/broker/jvm.config
index 8551ec59fb00..93d33903541e 100644
--- a/examples/conf/druid/single-server/nano-quickstart/broker/jvm.config
+++ b/examples/conf/druid/single-server/nano-quickstart/broker/jvm.config
@@ -3,7 +3,6 @@
 -Xmx512m
 -XX:MaxDirectMemorySize=400m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/nano-quickstart/coordinator-overlord/jvm.config b/examples/conf/druid/single-server/nano-quickstart/coordinator-overlord/jvm.config
index 8ab5708c320c..aae520d8325f 100644
--- a/examples/conf/druid/single-server/nano-quickstart/coordinator-overlord/jvm.config
+++ b/examples/conf/druid/single-server/nano-quickstart/coordinator-overlord/jvm.config
@@ -2,7 +2,6 @@
 -Xms256m
 -Xmx256m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/nano-quickstart/historical/jvm.config b/examples/conf/druid/single-server/nano-quickstart/historical/jvm.config
index 8551ec59fb00..93d33903541e 100644
--- a/examples/conf/druid/single-server/nano-quickstart/historical/jvm.config
+++ b/examples/conf/druid/single-server/nano-quickstart/historical/jvm.config
@@ -3,7 +3,6 @@
 -Xmx512m
 -XX:MaxDirectMemorySize=400m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/nano-quickstart/middleManager/jvm.config b/examples/conf/druid/single-server/nano-quickstart/middleManager/jvm.config
index 30b023cfb8db..8a650fb358c9 100644
--- a/examples/conf/druid/single-server/nano-quickstart/middleManager/jvm.config
+++ b/examples/conf/druid/single-server/nano-quickstart/middleManager/jvm.config
@@ -2,7 +2,6 @@
 -Xms64m
 -Xmx64m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/nano-quickstart/router/jvm.config b/examples/conf/druid/single-server/nano-quickstart/router/jvm.config
index e74d6b1375f4..b822f4601790 100644
--- a/examples/conf/druid/single-server/nano-quickstart/router/jvm.config
+++ b/examples/conf/druid/single-server/nano-quickstart/router/jvm.config
@@ -1,7 +1,6 @@
 -server
 -Xms128m
 -Xmx128m
--XX:+UseG1GC
 -XX:MaxDirectMemorySize=128m
 -XX:+ExitOnOutOfMemoryError
 -Duser.timezone=UTC
diff --git a/examples/conf/druid/single-server/small/broker/jvm.config b/examples/conf/druid/single-server/small/broker/jvm.config
index 1017bce2ab52..1bc85dd7702b 100644
--- a/examples/conf/druid/single-server/small/broker/jvm.config
+++ b/examples/conf/druid/single-server/small/broker/jvm.config
@@ -3,7 +3,6 @@
 -Xmx4g
 -XX:MaxDirectMemorySize=3g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/small/coordinator-overlord/jvm.config b/examples/conf/druid/single-server/small/coordinator-overlord/jvm.config
index 34176680c418..2d9b10d9501d 100644
--- a/examples/conf/druid/single-server/small/coordinator-overlord/jvm.config
+++ b/examples/conf/druid/single-server/small/coordinator-overlord/jvm.config
@@ -2,7 +2,6 @@
 -Xms4500m
 -Xmx4500m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/small/historical/jvm.config b/examples/conf/druid/single-server/small/historical/jvm.config
index 219060784712..a567647d543f 100644
--- a/examples/conf/druid/single-server/small/historical/jvm.config
+++ b/examples/conf/druid/single-server/small/historical/jvm.config
@@ -3,7 +3,6 @@
 -Xmx4g
 -XX:MaxDirectMemorySize=8g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/small/middleManager/jvm.config b/examples/conf/druid/single-server/small/middleManager/jvm.config
index a58621864370..c145532ba1ed 100644
--- a/examples/conf/druid/single-server/small/middleManager/jvm.config
+++ b/examples/conf/druid/single-server/small/middleManager/jvm.config
@@ -2,7 +2,6 @@
 -Xms128m
 -Xmx128m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/small/router/jvm.config b/examples/conf/druid/single-server/small/router/jvm.config
index ad8a52de508c..ebecad4435eb 100644
--- a/examples/conf/druid/single-server/small/router/jvm.config
+++ b/examples/conf/druid/single-server/small/router/jvm.config
@@ -1,10 +1,8 @@
 -server
 -Xms512m
 -Xmx512m
--XX:+UseG1GC
 -XX:MaxDirectMemorySize=128m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/xlarge/broker/jvm.config b/examples/conf/druid/single-server/xlarge/broker/jvm.config
index f83ad0e18b61..b683fd7dd7aa 100644
--- a/examples/conf/druid/single-server/xlarge/broker/jvm.config
+++ b/examples/conf/druid/single-server/xlarge/broker/jvm.config
@@ -3,7 +3,6 @@
 -Xmx16g
 -XX:MaxDirectMemorySize=12g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/xlarge/coordinator-overlord/jvm.config b/examples/conf/druid/single-server/xlarge/coordinator-overlord/jvm.config
index f3ca0fdbb9ec..68f9f93c60d8 100644
--- a/examples/conf/druid/single-server/xlarge/coordinator-overlord/jvm.config
+++ b/examples/conf/druid/single-server/xlarge/coordinator-overlord/jvm.config
@@ -2,7 +2,6 @@
 -Xms18g
 -Xmx18g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/xlarge/historical/jvm.config b/examples/conf/druid/single-server/xlarge/historical/jvm.config
index 92553d3c8b41..6d91df0aef0b 100644
--- a/examples/conf/druid/single-server/xlarge/historical/jvm.config
+++ b/examples/conf/druid/single-server/xlarge/historical/jvm.config
@@ -3,7 +3,6 @@
 -Xmx24g
 -XX:MaxDirectMemorySize=44g
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/xlarge/middleManager/jvm.config b/examples/conf/druid/single-server/xlarge/middleManager/jvm.config
index 82597e0b956b..69d307c31207 100644
--- a/examples/conf/druid/single-server/xlarge/middleManager/jvm.config
+++ b/examples/conf/druid/single-server/xlarge/middleManager/jvm.config
@@ -2,7 +2,6 @@
 -Xms256m
 -Xmx256m
 -XX:+ExitOnOutOfMemoryError
--XX:+UseG1GC
 -Duser.timezone=UTC
 -Dfile.encoding=UTF-8
 -Djava.io.tmpdir=var/tmp
diff --git a/examples/conf/druid/single-server/xlarge/router/jvm.config b/examples/conf/druid/single-server/xlarge/router/jvm.config
index a844c40b1eac..8fd91200735b 100644
--- a/examples/conf/druid/single-server/xlarge/router/jvm.config
+++ b/examples/conf/druid/single-server/xlarge/router/jvm.config
@@ -1,7 +1,6 @@
 -server
 -Xms1g
 -Xmx1g
--XX:+UseG1GC
 -XX:MaxDirectMemorySize=128m
 -XX:+ExitOnOutOfMemoryError
 -Duser.timezone=UTC