diff --git a/CHANGES.txt b/CHANGES.txt
index 8e4597f45a..b9fe48b9b0 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
 4.0
+ * Remove hardcoded java11 jvm args in idea workspace files (CASSANDRA-14627)
  * Update netty to 4.1.128 (CASSANDRA-14633)
  * Add a virtual table to expose thread pools (CASSANDRA-14523)
  * Add a virtual table to expose caches (CASSANDRA-14538)
diff --git a/ide/idea/workspace.xml b/ide/idea/workspace.xml
index 1bfc8e2073..876ed58d7a 100644
--- a/ide/idea/workspace.xml
+++ b/ide/idea/workspace.xml
@@ -143,7 +143,7 @@
     <configuration default="true" type="Application" factoryName="Application">
       <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
       <option name="MAIN_CLASS_NAME" value="" />
-      <option name="VM_PARAMETERS" value="-Dcassandra.config=file://$PROJECT_DIR$/conf/cassandra.yaml -Dcassandra.storagedir=$PROJECT_DIR$/data -Dlogback.configurationFile=file://$PROJECT_DIR$/conf/logback.xml -Dcassandra.logdir=$PROJECT_DIR$/data/logs -Djava.library.path=$PROJECT_DIR$/lib/sigar-bin -ea --add-exports java.base/jdk.internal.misc=ALL-UNNAMED --add-opens java.base/jdk.internal.module=ALL-UNNAMED --add-exports java.base/jdk.internal.ref=ALL-UNNAMED --add-opens java.base/sun.nio.ch=ALL-UNNAMED --add-opens java.base/java.nio=ALL-UNNAMED --add-opens java.base/java.io=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.util.concurrent=ALL-UNNAMED --add-exports java.management/com.sun.jmx.remote.internal=ALL-UNNAMED --add-exports java.management.rmi/com.sun.jmx.remote.internal.rmi=ALL-UNNAMED --add-exports java.rmi/sun.rmi.registry=ALL-UNNAMED --add-exports java.rmi/sun.rmi.server=ALL-UNNAMED --add-opens jdk.management/com.sun.management.internal=ALL-UNNAMED --add-exports jdk.scripting.nashorn/jdk.nashorn.internal.objects=ALL-UNNAMED --add-exports jdk.scripting.nashorn/jdk.nashorn.internal.runtime=ALL-UNNAMED --add-exports jdk.scripting.nashorn/jdk.nashorn.internal.runtime.options=ALL-UNNAMED" />
+      <option name="VM_PARAMETERS" value="-Dcassandra.config=file://$PROJECT_DIR$/conf/cassandra.yaml -Dcassandra.storagedir=$PROJECT_DIR$/data -Dlogback.configurationFile=file://$PROJECT_DIR$/conf/logback.xml -Dcassandra.logdir=$PROJECT_DIR$/data/logs -Djava.library.path=$PROJECT_DIR$/lib/sigar-bin -ea" />
       <option name="PROGRAM_PARAMETERS" value="" />
       <option name="WORKING_DIRECTORY" value="" />
       <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
@@ -167,7 +167,7 @@
       <option name="MAIN_CLASS_NAME" value="" />
       <option name="METHOD_NAME" value="" />
       <option name="TEST_OBJECT" value="class" />
-      <option name="VM_PARAMETERS" value="-Dcassandra.config=file://$PROJECT_DIR$/test/conf/cassandra.yaml -Dlogback.configurationFile=file://$PROJECT_DIR$/test/conf/logback-test.xml -Dcassandra.logdir=$PROJECT_DIR$/build/test/logs -Djava.library.path=$PROJECT_DIR$/lib/sigar-bin -Dlegacy-sstable-root=$PROJECT_DIR$/test/data/legacy-sstables -Dinvalid-legacy-sstable-root=$PROJECT_DIR$/test/data/invalid-legacy-sstables -Dcassandra.ring_delay_ms=1000 -Dcassandra.skip_sync=true -ea --add-exports java.base/jdk.internal.misc=ALL-UNNAMED --add-opens java.base/jdk.internal.module=ALL-UNNAMED --add-exports java.base/jdk.internal.ref=ALL-UNNAMED --add-opens java.base/sun.nio.ch=ALL-UNNAMED --add-opens java.base/java.nio=ALL-UNNAMED --add-opens java.base/java.io=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.util.concurrent=ALL-UNNAMED --add-exports java.management/com.sun.jmx.remote.internal=ALL-UNNAMED --add-exports java.management.rmi/com.sun.jmx.remote.internal.rmi=ALL-UNNAMED --add-exports java.rmi/sun.rmi.registry=ALL-UNNAMED --add-exports java.rmi/sun.rmi.server=ALL-UNNAMED --add-opens jdk.management/com.sun.management.internal=ALL-UNNAMED --add-exports jdk.scripting.nashorn/jdk.nashorn.internal.objects=ALL-UNNAMED --add-exports jdk.scripting.nashorn/jdk.nashorn.internal.runtime=ALL-UNNAMED --add-exports jdk.scripting.nashorn/jdk.nashorn.internal.runtime.options=ALL-UNNAMED" />
+      <option name="VM_PARAMETERS" value="-Dcassandra.config=file://$PROJECT_DIR$/test/conf/cassandra.yaml -Dlogback.configurationFile=file://$PROJECT_DIR$/test/conf/logback-test.xml -Dcassandra.logdir=$PROJECT_DIR$/build/test/logs -Djava.library.path=$PROJECT_DIR$/lib/sigar-bin -Dlegacy-sstable-root=$PROJECT_DIR$/test/data/legacy-sstables -Dinvalid-legacy-sstable-root=$PROJECT_DIR$/test/data/invalid-legacy-sstables -Dcassandra.ring_delay_ms=1000 -Dcassandra.skip_sync=true -ea" />
       <option name="PARAMETERS" value="" />
       <option name="WORKING_DIRECTORY" value="" />
       <option name="ENV_VARIABLES" />
@@ -185,7 +185,7 @@
     <configuration default="false" name="Cassandra" type="Application" factoryName="Application">
       <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
       <option name="MAIN_CLASS_NAME" value="org.apache.cassandra.service.CassandraDaemon" />
-      <option name="VM_PARAMETERS" value="-Dcassandra-foreground=yes -Dcassandra.config=file://$PROJECT_DIR$/conf/cassandra.yaml -Dcassandra.storagedir=$PROJECT_DIR$/data -Dlogback.configurationFile=file://$PROJECT_DIR$/conf/logback.xml -Dcassandra.logdir=$PROJECT_DIR$/data/logs -Djava.library.path=$PROJECT_DIR$/lib/sigar-bin -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=7199 -Dcom.sun.management.jmxremote.local.only=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -ea -Xmx1G --add-exports java.base/jdk.internal.misc=ALL-UNNAMED --add-opens java.base/jdk.internal.module=ALL-UNNAMED --add-exports java.base/jdk.internal.ref=ALL-UNNAMED --add-opens java.base/sun.nio.ch=ALL-UNNAMED --add-opens java.base/java.nio=ALL-UNNAMED --add-opens java.base/java.io=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.util.concurrent=ALL-UNNAMED --add-exports java.management/com.sun.jmx.remote.internal=ALL-UNNAMED --add-exports java.management.rmi/com.sun.jmx.remote.internal.rmi=ALL-UNNAMED --add-exports java.rmi/sun.rmi.registry=ALL-UNNAMED --add-exports java.rmi/sun.rmi.server=ALL-UNNAMED --add-opens jdk.management/com.sun.management.internal=ALL-UNNAMED --add-exports jdk.scripting.nashorn/jdk.nashorn.internal.objects=ALL-UNNAMED --add-exports jdk.scripting.nashorn/jdk.nashorn.internal.runtime=ALL-UNNAMED --add-exports jdk.scripting.nashorn/jdk.nashorn.internal.runtime.options=ALL-UNNAMED" />
+      <option name="VM_PARAMETERS" value="-Dcassandra-foreground=yes -Dcassandra.config=file://$PROJECT_DIR$/conf/cassandra.yaml -Dcassandra.storagedir=$PROJECT_DIR$/data -Dlogback.configurationFile=file://$PROJECT_DIR$/conf/logback.xml -Dcassandra.logdir=$PROJECT_DIR$/data/logs -Djava.library.path=$PROJECT_DIR$/lib/sigar-bin -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=7199 -Dcom.sun.management.jmxremote.local.only=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -ea -Xmx1G" />
       <option name="PROGRAM_PARAMETERS" value="" />
       <option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$" />
       <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />