diff --git a/opm-upscaling-prereqs.cmake b/opm-upscaling-prereqs.cmake
index e57fda31..7093b313 100644
--- a/opm-upscaling-prereqs.cmake
+++ b/opm-upscaling-prereqs.cmake
@@ -31,7 +31,3 @@ set (opm-upscaling_DEPS
   )
 
 find_package_deps(opm-upscaling)
-
-if(NOT HAVE_ECL_INPUT OR NOT HAVE_ECL_OUTPUT)
-  message(FATAL_ERROR "Eclipse input/output support required in opm-common")
-endif()