diff --git a/tests/src/ObjectMapping.cc b/tests/src/ObjectMapping.cc
index e63420a6..ca8616ff 100644
--- a/tests/src/ObjectMapping.cc
+++ b/tests/src/ObjectMapping.cc
@@ -13,7 +13,6 @@
 #include "EVENT/Vertex.h"
 #include "EVENT/ReconstructedParticle.h"
 #include "EVENT/MCParticle.h"
-#include "EVENT/ParticleID.h"
 #include "EVENT/LCEvent.h"
 #include "EVENT/LCCollection.h"
 #include "UTIL/LCIterator.h"
@@ -28,7 +27,6 @@
 #include "edm4hep/SimCalorimeterHitCollection.h"
 #include "edm4hep/MCParticleCollection.h"
 #include "edm4hep/ReconstructedParticleCollection.h"
-#include "edm4hep/ParticleIDCollection.h"
 #include "edm4hep/RawTimeSeriesCollection.h"
 #include "edm4hep/VertexCollection.h"
 
diff --git a/tests/src/ObjectMapping.h b/tests/src/ObjectMapping.h
index 25e7f32b..ff382d67 100644
--- a/tests/src/ObjectMapping.h
+++ b/tests/src/ObjectMapping.h
@@ -16,7 +16,6 @@ namespace EVENT {
   class Vertex;
   class ReconstructedParticle;
   class MCParticle;
-  class ParticleID;
   class LCEvent;
 } // namespace EVENT