diff --git a/src/opm/input/eclipse/share/keywords/keyword_list.cmake b/src/opm/input/eclipse/share/keywords/keyword_list.cmake
index f64f3de94..1cd63c945 100644
--- a/src/opm/input/eclipse/share/keywords/keyword_list.cmake
+++ b/src/opm/input/eclipse/share/keywords/keyword_list.cmake
@@ -1092,7 +1092,6 @@ set( keywords
      900_OPM/D/DRSDTCON
      900_OPM/E/EXIT
      900_OPM/G/GCOMPIDX
-     900_OPM/G/GRUPRIG
      900_OPM/G/GASDENT
      900_OPM/M/MICP
      900_OPM/M/MICPPARA