diff --git a/src/hotspot/share/gc/shenandoah/shenandoahArguments.cpp b/src/hotspot/share/gc/shenandoah/shenandoahArguments.cpp
index 9cf69dacf67..9acdec5a505 100644
--- a/src/hotspot/share/gc/shenandoah/shenandoahArguments.cpp
+++ b/src/hotspot/share/gc/shenandoah/shenandoahArguments.cpp
@@ -110,10 +110,6 @@ void ShenandoahArguments::initialize() {
     }
   }
 
-  if (FLAG_IS_DEFAULT(ParallelRefProcEnabled)) {
-    FLAG_SET_DEFAULT(ParallelRefProcEnabled, true);
-  }
-
   if (ShenandoahRegionSampling && FLAG_IS_DEFAULT(PerfDataMemorySize)) {
     // When sampling is enabled, max out the PerfData memory to get more
     // Shenandoah data in, including Matrix.