diff --git a/tests/compare_images.c b/tests/compare_images.c
index fa15d13e..b28d4957 100644
--- a/tests/compare_images.c
+++ b/tests/compare_images.c
@@ -279,8 +279,6 @@ static opj_image_t* readImageFromFileTIF(const char* filename, int nbFilenamePGX
     return NULL;
     }
 
-  /* \postconditions */
-  assert( image_read->numcomps == 1 || image_read->numcomps == 3 );
   return image_read;
 }