diff --git a/interim/source_strings.yaml b/interim/source_strings.yaml
index 7b6101c9..6c6abfe2 100644
--- a/interim/source_strings.yaml
+++ b/interim/source_strings.yaml
@@ -4228,10 +4228,6 @@ en:
         # water_tank/volume field placeholder
         placeholder: 10000, 20000, 30000…
         terms: '[translate with synonyms or related terms for ''Volume (Liters)'', separated by commas]'
-      water_volume:
-        # water_volume=*
-        label: Water Reserve Volume (m³)
-        terms: '[translate with synonyms or related terms for ''Water Reserve Volume (m³)'', separated by commas]'
       waterway:
         # waterway=*
         label: Type