diff --git a/ebos/startEbos.hh b/ebos/startEbos.hh
index cf7d65f1abc..575ce879fda 100644
--- a/ebos/startEbos.hh
+++ b/ebos/startEbos.hh
@@ -34,11 +34,9 @@
 #include <mpi.h>
 #endif
 
-#if HAVE_ECL_INPUT
 #include <opm/common/OpmLog/OpmLog.hpp>
 #include <opm/common/OpmLog/EclipsePRTLog.hpp>
 #include <opm/common/OpmLog/LogUtil.hpp>
-#endif
 
 BEGIN_PROPERTIES
 
diff --git a/opm-simulators-prereqs.cmake b/opm-simulators-prereqs.cmake
index 6ab7ebaa4af..5d8bb3b0841 100644
--- a/opm-simulators-prereqs.cmake
+++ b/opm-simulators-prereqs.cmake
@@ -42,7 +42,3 @@ set (opm-simulators_DEPS
   )
 
 find_package_deps(opm-simulators)
-
-if(NOT HAVE_ECL_INPUT OR NOT HAVE_ECL_OUTPUT)
-  message(FATAL_ERROR "Eclipse input/output support required in opm-common")
-endif()