diff --git a/Sim/Computation/SpecularComputation.h b/Sim/Computation/SpecularComputation.h
index 0c348c1a715ff45e9aef7daeb2eb7e87f5f1f23e..999dffe85a1dc7dbca37589cb4aa902b8ed95983 100644
--- a/Sim/Computation/SpecularComputation.h
+++ b/Sim/Computation/SpecularComputation.h
@@ -20,8 +20,6 @@
 
 #include <heinz/Complex.h>
 
-class ReSample;
-class SpecularElement;
 class SpinMatrix;
 
 namespace Compute {