diff --git a/src/components/portal/portal-ticket-form.tsx b/src/components/portal/portal-ticket-form.tsx
index a958cf7..d4f597f 100644
--- a/src/components/portal/portal-ticket-form.tsx
+++ b/src/components/portal/portal-ticket-form.tsx
@@ -1,6 +1,6 @@
 "use client"
 
-import { useCallback, useMemo, useState } from "react"
+import { useMemo, useState } from "react"
 import { useRouter } from "next/navigation"
 import { useMutation } from "convex/react"
 import { toast } from "sonner"
@@ -45,20 +45,9 @@ export function PortalTicketForm() {
   const [subcategoryId, setSubcategoryId] = useState<string | null>(null)
   const [attachments, setAttachments] = useState<Array<{ storageId: string; name: string; size?: number; type?: string }>>([])
   const [isSubmitting, setIsSubmitting] = useState(false)
-  const [hasSubcategoryOptions, setHasSubcategoryOptions] = useState(false)
-
   const isFormValid = useMemo(() => {
-    return Boolean(
-      subject.trim() &&
-        description.trim() &&
-        categoryId &&
-        (hasSubcategoryOptions ? subcategoryId : true)
-    )
-  }, [subject, description, categoryId, subcategoryId, hasSubcategoryOptions])
-
-  const handleSecondaryOptionsChange = useCallback((hasOptions: boolean) => {
-    setHasSubcategoryOptions((prev) => (prev === hasOptions ? prev : hasOptions))
-  }, [])
+    return Boolean(subject.trim() && description.trim() && categoryId && subcategoryId)
+  }, [subject, description, categoryId, subcategoryId])
 
   async function handleSubmit(event: React.FormEvent) {
     event.preventDefault()
@@ -86,7 +75,7 @@ export function PortalTicketForm() {
         queueId: undefined,
         requesterId: viewerId,
         categoryId: categoryId as Id<"ticketCategories">,
-        subcategoryId: subcategoryId ? (subcategoryId as Id<"ticketSubcategories">) : undefined,
+        subcategoryId: subcategoryId as Id<"ticketSubcategories">,
       })
 
       if (plainDescription.length > 0) {
@@ -169,10 +158,9 @@ export function PortalTicketForm() {
               subcategoryId={subcategoryId}
               onCategoryChange={setCategoryId}
               onSubcategoryChange={setSubcategoryId}
-              onSecondaryOptionsChange={handleSecondaryOptionsChange}
               layout="stacked"
               categoryLabel="Categoria *"
-              subcategoryLabel={hasSubcategoryOptions ? "Subcategoria *" : "Subcategoria (opcional)"}
+              subcategoryLabel="Subcategoria *"
               secondaryEmptyLabel="Selecione uma categoria"
             />
             <div className="space-y-1">
diff --git a/src/components/tickets/category-select.tsx b/src/components/tickets/category-select.tsx
index 7701f0f..14fa4a8 100644
--- a/src/components/tickets/category-select.tsx
+++ b/src/components/tickets/category-select.tsx
@@ -18,8 +18,7 @@ interface CategorySelectProps {
   categoryId: string | null
   subcategoryId: string | null
   onCategoryChange: (categoryId: string) => void
-  onSubcategoryChange: (subcategoryId: string | null) => void
-  onSecondaryOptionsChange?: (hasSecondary: boolean) => void
+  onSubcategoryChange: (subcategoryId: string) => void
   autoSelectFirst?: boolean
   disabled?: boolean
   categoryLabel?: string
@@ -40,7 +39,6 @@ export function CategorySelectFields({
   subcategoryId,
   onCategoryChange,
   onSubcategoryChange,
-  onSecondaryOptionsChange,
   autoSelectFirst = true,
   disabled = false,
   categoryLabel = "Primária",
@@ -80,16 +78,6 @@ export function CategorySelectFields({
     }
   }, [categoryId, secondaryOptions, subcategoryId, onSubcategoryChange])
 
-  useEffect(() => {
-    onSecondaryOptionsChange?.(secondaryOptions.length > 0)
-  }, [secondaryOptions, onSecondaryOptionsChange])
-
-  useEffect(() => {
-    if (secondaryOptions.length === 0 && subcategoryId) {
-      onSubcategoryChange(null)
-    }
-  }, [secondaryOptions, subcategoryId, onSubcategoryChange])
-
   const containerClass = layout === "stacked" ? "flex flex-col gap-3" : "grid gap-3 sm:grid-cols-2"
 
   return (
diff --git a/src/components/tickets/new-ticket-dialog.tsx b/src/components/tickets/new-ticket-dialog.tsx
index 45dd97e..2831853 100644
--- a/src/components/tickets/new-ticket-dialog.tsx
+++ b/src/components/tickets/new-ticket-dialog.tsx
@@ -112,7 +112,7 @@ export function NewTicketDialog() {
     }
   }
 
-  const handleSubcategoryChange = (value: string | null) => {
+  const handleSubcategoryChange = (value: string) => {
     const previous = form.getValues("subcategoryId") ?? ""
     const next = value ?? ""
     form.setValue("subcategoryId", next, {