diff --git a/Core/ComponentBaseClasses/elxFixedImagePyramidBase.hxx b/Core/ComponentBaseClasses/elxFixedImagePyramidBase.hxx
index f9d881cd8..f13b9a32e 100644
--- a/Core/ComponentBaseClasses/elxFixedImagePyramidBase.hxx
+++ b/Core/ComponentBaseClasses/elxFixedImagePyramidBase.hxx
@@ -20,7 +20,10 @@
 
 #include "elxFixedImagePyramidBase.h"
 #include "elxDeref.h"
+
+#ifndef __wasm32__
 #include "itkImageFileCastWriter.h"
+#endif
 
 namespace elastix
 {
diff --git a/Core/ComponentBaseClasses/elxMovingImagePyramidBase.hxx b/Core/ComponentBaseClasses/elxMovingImagePyramidBase.hxx
index de50added..0f0452b54 100644
--- a/Core/ComponentBaseClasses/elxMovingImagePyramidBase.hxx
+++ b/Core/ComponentBaseClasses/elxMovingImagePyramidBase.hxx
@@ -21,7 +21,10 @@
 
 #include "elxMovingImagePyramidBase.h"
 #include "elxDeref.h"
+
+#ifndef __wasm32__
 #include "itkImageFileCastWriter.h"
+#endif
 
 namespace elastix
 {
diff --git a/Core/ComponentBaseClasses/elxResamplerBase.hxx b/Core/ComponentBaseClasses/elxResamplerBase.hxx
index 22ded08b6..b2cbe025d 100644
--- a/Core/ComponentBaseClasses/elxResamplerBase.hxx
+++ b/Core/ComponentBaseClasses/elxResamplerBase.hxx
@@ -22,7 +22,6 @@
 #include "elxConversion.h"
 #include "elxDeref.h"
 
-#include "itkImageFileCastWriter.h"
 #include "itkChangeInformationImageFilter.h"
 #include "itkAdvancedRayCastInterpolateImageFunction.h"
 #include "itkTimeProbe.h"