diff --git a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatures.tsx b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatures.tsx
index 5656cfe3..78c3f9c7 100644
--- a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatures.tsx
+++ b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatures.tsx
@@ -62,8 +62,11 @@ function useSignatureUndo(
 
     // determine timeout from settings
     const timeoutMs = getDeletionTimeoutMs(settings);
+    
+    // Ensure a minimum of 1 second for immediate deletion so the UI shows
+    const effectiveTimeoutMs = timeoutMs === 0 ? 1000 : timeoutMs;
 
-    setCountdown(Math.ceil(timeoutMs / 1000));
+    setCountdown(Math.ceil(effectiveTimeoutMs / 1000));
 
     // start new interval
     intervalRef.current = window.setInterval(() => {
diff --git a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/useSystemSignaturesData.ts b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/useSystemSignaturesData.ts
index b25ca016..98783a11 100644
--- a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/useSystemSignaturesData.ts
+++ b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/useSystemSignaturesData.ts
@@ -76,15 +76,10 @@ export const useSystemSignaturesData = ({
       if (removed.length > 0) {
         await processRemovedSignatures(removed, added, updated);
 
-        // Only show pending deletions if:
-        // 1. Lazy deletion is enabled AND
-        // 2. Deletion timing is not immediate (> 0)
+        // Show pending deletions if lazy deletion is enabled
+        // The deletion timing controls how long the countdown lasts, not whether lazy delete is active
         if (onSignatureDeleted && lazyDeleteValue) {
-          const timeoutMs = getDeletionTimeoutMs(settings);
-
-          if (timeoutMs > 0) {
-            onSignatureDeleted(removed);
-          }
+          onSignatureDeleted(removed);
         }
       }