diff --git a/applications/utilities/postProcessing/lagrangian/particleTracks/particleTracks.C b/applications/utilities/postProcessing/lagrangian/particleTracks/particleTracks.C
index ffa8c190afea45ffa290831fb127ab00c80fad3c..8a7817772d15c972166bb4bf44b6e059c977a5b9 100644
--- a/applications/utilities/postProcessing/lagrangian/particleTracks/particleTracks.C
+++ b/applications/utilities/postProcessing/lagrangian/particleTracks/particleTracks.C
@@ -39,7 +39,6 @@ Description
 #include "timeSelector.H"
 #include "OFstream.H"
 #include "passiveParticle.H"
-#include "SortableList.H"
 
 using namespace Foam;