diff --git a/closed/OpenJ9.gmk b/closed/OpenJ9.gmk
index 5f81f515bbb..e4d8005a4c3 100644
--- a/closed/OpenJ9.gmk
+++ b/closed/OpenJ9.gmk
@@ -277,9 +277,6 @@ endif # OPENJ9_ENABLE_CRIU_SUPPORT
 FEATURE_SED_SCRIPT += $(call SedDisable,opt_methodHandle)
 FEATURE_SED_SCRIPT += $(call SedEnable,opt_openjdkMethodhandle)
 
-# Adjust OpenJDK thread support enablement flags.
-FEATURE_SED_SCRIPT += $(call SedEnable,opt_openjdkThreadSupport)
-
 # Disable windows rebase.
 SPEC_SED_SCRIPT += $(call SedDisable,uma_windowsRebase)