diff --git a/nashorn/make/project.properties b/nashorn/make/project.properties
index 2d66dfef6fb749d65934510577c9146af565b4b1..9ed8125e14a0f263f61ce09a8b9e34daa6be671e 100644
--- a/nashorn/make/project.properties
+++ b/nashorn/make/project.properties
@@ -216,7 +216,7 @@ run.test.xms=2G
 
 #  -XX:+PrintCompilation -XX:+UnlockDiagnosticVMOptions -XX:+PrintNMethods
 # add '-Dtest.js.outofprocess' to run each test in a new sub-process
-run.test.jvmargs.main=-server -Xmx${run.test.xmx} -XX:+TieredCompilation -ea -Dnashorn.debug=true -Dfile.encoding=UTF-8
+run.test.jvmargs.main=-server -Xmx${run.test.xmx} -XX:+TieredCompilation -ea -Dfile.encoding=UTF-8
 #-XX:+HeapDumpOnOutOfMemoryError -XX:-UseCompressedKlassPointers -XX:+PrintHeapAtGC -XX:ClassMetaspaceSize=300M  
 run.test.jvmargs.octane.main=-Xms${run.test.xms} ${run.test.jvmargs.main}