diff --git a/packages/frontend-core/src/components/CoreFilterBuilder.svelte b/packages/frontend-core/src/components/CoreFilterBuilder.svelte
index 7b9dacbc2ae..3aff9810828 100644
--- a/packages/frontend-core/src/components/CoreFilterBuilder.svelte
+++ b/packages/frontend-core/src/components/CoreFilterBuilder.svelte
@@ -390,7 +390,6 @@
                             ...filter,
                             field: e.detail.field,
                           }
-                          delete updated.valueType
                           onFilterFieldUpdate(updated, groupIdx, filterIdx)
                         }}
                       />
diff --git a/packages/frontend-core/src/components/FilterField.svelte b/packages/frontend-core/src/components/FilterField.svelte
index bf1483c341b..861df9c2fce 100644
--- a/packages/frontend-core/src/components/FilterField.svelte
+++ b/packages/frontend-core/src/components/FilterField.svelte
@@ -29,7 +29,6 @@
   const { OperatorOptions, FilterValueType } = Constants
 
   let bindingDrawer
-  let fieldValue
 
   $: fieldValue = filter?.value
   $: readableValue = toReadable ? toReadable(bindings, fieldValue) : fieldValue