diff --git a/web/app/(app)/dashboard/(components)/bulk-sms-send.tsx b/web/app/(app)/dashboard/(components)/bulk-sms-send.tsx
index 142010b..d3128dc 100644
--- a/web/app/(app)/dashboard/(components)/bulk-sms-send.tsx
+++ b/web/app/(app)/dashboard/(components)/bulk-sms-send.tsx
@@ -262,7 +262,6 @@ export default function BulkSMSSend() {
                     <SelectValue placeholder='Select SIM (optional)' />
                   </SelectTrigger>
                   <SelectContent>
-                    <SelectItem value=''>None (use default)</SelectItem>
                     {availableSims.map((sim) => (
                       <SelectItem
                         key={sim.subscriptionId}
diff --git a/web/app/(app)/dashboard/(components)/send-sms.tsx b/web/app/(app)/dashboard/(components)/send-sms.tsx
index fc6f06c..83531e8 100644
--- a/web/app/(app)/dashboard/(components)/send-sms.tsx
+++ b/web/app/(app)/dashboard/(components)/send-sms.tsx
@@ -152,7 +152,7 @@ export default function SendSms() {
                     render={({ field }) => (
                       <Select
                         onValueChange={(value) =>
-                          field.onChange(value ? Number(value) : undefined)
+                          field.onChange(Number(value))
                         }
                         value={field.value?.toString()}
                       >
@@ -160,7 +160,6 @@ export default function SendSms() {
                           <SelectValue placeholder='Select SIM (optional)' />
                         </SelectTrigger>
                         <SelectContent>
-                          <SelectItem value=''>None (use default)</SelectItem>
                           {availableSims.map((sim) => (
                             <SelectItem
                               key={sim.subscriptionId}