diff --git a/mason/tools/fieldmap.mas b/mason/tools/fieldmap.mas
index 30ab079051..2063ad0c62 100644
--- a/mason/tools/fieldmap.mas
+++ b/mason/tools/fieldmap.mas
@@ -6,7 +6,7 @@ $trial_id => undef
 <& /util/import_css.mas, paths => ['fieldmap/leaflet-search.min.css', 'fieldmap/leaflet.css'] &>
 
 <& '/util/import_javascript.mas', 
- classes => ['jquery','d3.d3v4Min', 'brapi.fieldmap.leaflet', 'brapi.fieldmap.L-Path-Transform', 'brapi.fieldmap.leaflet-search', 'brapi.fieldmap.turf', 'brapi.BrAPI', 'brapi.BrAPIFieldmap']
+ classes => ['jquery', 'brapi.fieldmap.leaflet', 'brapi.fieldmap.L-Path-Transform', 'brapi.fieldmap.leaflet-search', 'brapi.fieldmap.turf', 'brapi.BrAPI', 'brapi.BrAPIFieldmap']
 &>