diff --git a/src/arch/arm/pmu.cc b/src/arch/arm/pmu.cc
index f1ff6cb..baf0d19 100644
--- a/src/arch/arm/pmu.cc
+++ b/src/arch/arm/pmu.cc
@@ -579,7 +579,6 @@
 {
     SERIALIZE_SCALAR(eventId);
     SERIALIZE_SCALAR(value);
-    SERIALIZE_SCALAR(enabled);
     SERIALIZE_SCALAR(overflow64);
 }
 
@@ -588,7 +587,6 @@
 {
     UNSERIALIZE_SCALAR(eventId);
     UNSERIALIZE_SCALAR(value);
-    UNSERIALIZE_SCALAR(enabled);
     UNSERIALIZE_SCALAR(overflow64);
 }