diff --git a/MMEX/View/Transaction/TransactionEditView.swift b/MMEX/View/Transaction/TransactionEditView.swift
index 27502475..bd5a2fbf 100644
--- a/MMEX/View/Transaction/TransactionEditView.swift
+++ b/MMEX/View/Transaction/TransactionEditView.swift
@@ -18,6 +18,7 @@ struct TransactionEditView: View {
     @State private var selectedDate = Date()
 
     @State private var newSplit: TransactionSplitData = TransactionSplitData() // TODO: set default category ?
+    @State private var categoryUsed: Set<DataId> = []
 
     // app level setting
     @AppStorage("defaultPayeeSetting") private var defaultPayeeSetting: DefaultPayeeSetting = .none
@@ -174,7 +175,7 @@ struct TransactionEditView: View {
                         }
                         .padding(.horizontal, 0)
 
-                        ForEach(txn.splits) { split in
+                        ForEach(txn.splits, id: \.self.categId) { split in
                             HStack {
                                 Text(getCategoryName(for: split.categId))
                                     .frame(maxWidth: .infinity, alignment: .leading) // Align to the left
@@ -188,6 +189,10 @@ struct TransactionEditView: View {
                         }
                         .onDelete { indices in
                             txn.splits.remove(atOffsets: indices)
+                            categoryUsed = []
+                            for split in txn.splits {
+                                categoryUsed.insert(split.categId)
+                            }
                             txn.transAmount = txn.splits.reduce(0.0) { $0 + $1.amount }
                         }
 
@@ -198,7 +203,9 @@ struct TransactionEditView: View {
                                     Text("Category").tag(DataId.void)
                                 }
                                 ForEach(categories) { category in
-                                    Text(category.fullName(with: viewModel.categDelimiter)).tag(category.id)
+                                    if !categoryUsed.contains(category.id) {
+                                        Text(category.fullName(with: viewModel.categDelimiter)).tag(category.id)
+                                    }
                                 }
                             }
                             .pickerStyle(MenuPickerStyle()) // Show a menu for the category picker
@@ -218,6 +225,7 @@ struct TransactionEditView: View {
                             Button(action: {
                                 withAnimation {
                                     txn.splits.append(newSplit)
+                                    categoryUsed.insert(newSplit.categId)
                                     txn.transAmount = txn.splits.reduce(0.0) { $0 + $1.amount }
                                     newSplit = TransactionSplitData()
                                 }
@@ -261,6 +269,11 @@ struct TransactionEditView: View {
             if (txn.id.isVoid) {
                 txn.status = defaultStatus
             }
+
+            categoryUsed = []
+            for split in txn.splits {
+                categoryUsed.insert(split.categId)
+            }
         }
         .onDisappear {
             // Resign the focus when the view disappears, hiding the keyboard