diff --git a/webrtc/system_wrappers/source/trace_impl_no_op.cc b/webrtc/system_wrappers/source/trace_impl_no_op.cc
index 74b322ebc..3311c893b 100644
--- a/webrtc/system_wrappers/source/trace_impl_no_op.cc
+++ b/webrtc/system_wrappers/source/trace_impl_no_op.cc
@@ -12,6 +12,10 @@
 
 namespace webrtc {
 
+const int Trace::kBoilerplateLength = 71;
+const int Trace::kTimestampPosition = 13;
+const int Trace::kTimestampLength = 12;
+
 void Trace::CreateTrace() {
 }