diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 28e037c21..fce6d88d8 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -126,7 +126,6 @@ list( APPEND eccodes_src_files
     accessor/grib_accessor_class_g2lon.cc
     accessor/grib_accessor_class_global_gaussian.cc
     accessor/grib_accessor_class_gaussian_grid_name.cc
-    accessor/grib_accessor_class_gen.cc
     accessor/grib_accessor_class_getenv.cc
     accessor/grib_accessor_class_gts_header.cc
     accessor/grib_accessor_class_ifs_param.cc