diff --git a/Convex_decomposition_3/test/Convex_decomposition_3/check_decomposition.cpp b/Convex_decomposition_3/test/Convex_decomposition_3/check_decomposition.cpp
index afb45e7f07d..dd97caf9e5a 100644
--- a/Convex_decomposition_3/test/Convex_decomposition_3/check_decomposition.cpp
+++ b/Convex_decomposition_3/test/Convex_decomposition_3/check_decomposition.cpp
@@ -48,7 +48,5 @@ int main()
 {
   Nef_polyhedron_3 N;
   std::cin >> N;
-  if(!is)
-    return EXIT_FAILURE;
   check_decomposition(N);
 }