diff --git a/src/network/model/application.h b/src/network/model/application.h
index 5247c8999..cb000557b 100644
--- a/src/network/model/application.h
+++ b/src/network/model/application.h
@@ -30,7 +30,6 @@
 namespace ns3 {
 
 class Node;
-class RandomVariable;
 
 /**
  * \addtogroup applications Applications