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 648b7956..9f101da5 100644
--- a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatures.tsx
+++ b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatures.tsx
@@ -1,5 +1,11 @@
 import { Widget } from '@/hooks/Mapper/components/mapInterface/components';
-import { InfoDrawer, LayoutEventBlocker, TooltipPosition, WdImgButton } from '@/hooks/Mapper/components/ui-kit';
+import {
+  InfoDrawer,
+  LayoutEventBlocker,
+  TooltipPosition,
+  WdImgButton,
+  WdCheckbox,
+} from '@/hooks/Mapper/components/ui-kit';
 import { SystemSignaturesContent } from './SystemSignaturesContent';
 import {
   Setting,
@@ -14,19 +20,22 @@ import {
 } from './SystemSignatureSettingsDialog';
 import { SignatureGroup } from '@/hooks/Mapper/types';
 
-import React, { useCallback, useEffect, useState } from 'react';
+import React, { useCallback, useEffect, useState, useMemo } from 'react';
 
 import { PrimeIcons } from 'primereact/api';
 
 import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
+import { CheckboxChangeEvent } from 'primereact/checkbox';
 
-const SIGNATURE_SETTINGS_KEY = 'wanderer_system_signature_settings_v4_1';
+const SIGNATURE_SETTINGS_KEY = 'wanderer_system_signature_settings_v5';
 export const SHOW_DESCRIPTION_COLUMN_SETTING = 'show_description_column_setting';
 export const SHOW_UPDATED_COLUMN_SETTING = 'SHOW_UPDATED_COLUMN_SETTING';
+export const LAZY_DELETE_SIGNATURES_SETTING = 'LAZY_DELETE_SIGNATURES_SETTING';
 
 const settings: Setting[] = [
   { key: SHOW_UPDATED_COLUMN_SETTING, name: 'Show Updated Column', value: false, isFilter: false },
   { key: SHOW_DESCRIPTION_COLUMN_SETTING, name: 'Show Description Column', value: false, isFilter: false },
+  { key: LAZY_DELETE_SIGNATURES_SETTING, name: 'Lazy Delete Signatures', value: false, isFilter: false },
   { key: COSMIC_ANOMALY, name: 'Show Anomalies', value: true, isFilter: true },
   { key: COSMIC_SIGNATURE, name: 'Show Cosmic Signatures', value: true, isFilter: true },
   { key: DEPLOYABLE, name: 'Show Deployables', value: true, isFilter: true },
@@ -58,12 +67,25 @@ export const SystemSignatures = () => {
 
   const isNotSelectedSystem = selectedSystems.length !== 1;
 
+  const lazyDeleteValue = useMemo(() => {
+    return settings.find(setting => setting.key === LAZY_DELETE_SIGNATURES_SETTING)!.value;
+  }, [settings]);
+
   const handleSettingsChange = useCallback((settings: Setting[]) => {
     setSettings(settings);
     localStorage.setItem(SIGNATURE_SETTINGS_KEY, JSON.stringify(settings));
     setVisible(false);
   }, []);
 
+  const handleLazyDeleteChange = useCallback((event: CheckboxChangeEvent) => {
+    setSettings(settings => {
+      const lazyDelete = settings.find(setting => setting.key === LAZY_DELETE_SIGNATURES_SETTING)!;
+      lazyDelete.value = !!event.checked;
+      localStorage.setItem(SIGNATURE_SETTINGS_KEY, JSON.stringify(settings));
+      return [...settings];
+    });
+  }, []);
+
   useEffect(() => {
     const restoredSettings = localStorage.getItem(SIGNATURE_SETTINGS_KEY);
 
@@ -79,6 +101,15 @@ export const SystemSignatures = () => {
           <div className="flex gap-1">System Signatures</div>
 
           <LayoutEventBlocker className="flex gap-2.5">
+            <WdCheckbox
+              size="xs"
+              labelSide="left"
+              label={'Lazy delete'}
+              value={lazyDeleteValue}
+              classNameLabel="text-stone-400 hover:text-stone-200 transition duration-300"
+              onChange={handleLazyDeleteChange}
+            />
+
             <WdImgButton
               className={PrimeIcons.QUESTION_CIRCLE}
               tooltip={{
@@ -102,7 +133,7 @@ export const SystemSignatures = () => {
                     </InfoDrawer>
                     <InfoDrawer title={<b className="text-slate-50">How to delete?</b>}>
                       For delete any signature first of all you need select before
-                      <br /> and then use <b className="text-sky-500">Backspace</b>
+                      <br /> and then use <b className="text-sky-500">Del</b>
                     </InfoDrawer>
                   </div>
                 ) as React.ReactNode,
diff --git a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignaturesContent/SystemSignaturesContent.tsx b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignaturesContent/SystemSignaturesContent.tsx
index e0280931..899947aa 100644
--- a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignaturesContent/SystemSignaturesContent.tsx
+++ b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignaturesContent/SystemSignaturesContent.tsx
@@ -36,6 +36,7 @@ import { COSMIC_SIGNATURE } from '@/hooks/Mapper/components/mapInterface/widgets
 import {
   SHOW_DESCRIPTION_COLUMN_SETTING,
   SHOW_UPDATED_COLUMN_SETTING,
+  LAZY_DELETE_SIGNATURES_SETTING,
 } from '@/hooks/Mapper/components/mapInterface/widgets/SystemSignatures';
 type SystemSignaturesSortSettings = {
   sortField: string;
@@ -66,8 +67,6 @@ export const SystemSignaturesContent = ({
   const [signatures, setSignatures, signaturesRef] = useRefState<SystemSignature[]>([]);
   const [selectedSignatures, setSelectedSignatures] = useState<SystemSignature[]>([]);
   const [nameColumnWidth, setNameColumnWidth] = useState('auto');
-  const [parsedSignatures, setParsedSignatures] = useState<SystemSignature[]>([]);
-  const [askUser, setAskUser] = useState(false);
   const [selectedSignature, setSelectedSignature] = useState<SystemSignature | null>(null);
 
   const [hoveredSig, setHoveredSig] = useState<SystemSignature | null>(null);
@@ -84,6 +83,10 @@ export const SystemSignaturesContent = ({
 
   const tooltipRef = useRef<WdTooltipHandlers>(null);
 
+  const lazyDeleteValue = useMemo(() => {
+    return settings.find(setting => setting.key === LAZY_DELETE_SIGNATURES_SETTING)!.value;
+  }, [settings]);
+
   const handleResize = useCallback(() => {
     if (tableRef.current) {
       const tableWidth = tableRef.current.offsetWidth;
@@ -132,13 +135,17 @@ export const SystemSignaturesContent = ({
       data: { system_id: systemId },
     });
 
-    setAskUser(false);
     setSignatures(signatures);
   }, [outCommand, systemId]);
 
   const handleUpdateSignatures = useCallback(
-    async (newSignatures: SystemSignature[], updateOnly: boolean) => {
-      const { added, updated, removed } = getActualSigs(signaturesRef.current, newSignatures, updateOnly);
+    async (newSignatures: SystemSignature[], updateOnly: boolean, skipUpdateUntouched?: boolean) => {
+      const { added, updated, removed } = getActualSigs(
+        signaturesRef.current,
+        newSignatures,
+        updateOnly,
+        skipUpdateUntouched,
+      );
 
       const { signatures: updatedSignatures } = await outCommand({
         type: OutCommand.updateSignatures,
@@ -172,6 +179,7 @@ export const SystemSignaturesContent = ({
       await handleUpdateSignatures(
         signatures.filter(x => !selectedSignaturesEveIds.includes(x.eve_id)),
         false,
+        true,
       );
     },
     [handleUpdateSignatures, selectable, signatures, selectedSignatures],
@@ -181,16 +189,6 @@ export const SystemSignaturesContent = ({
     setSelectedSignatures(signatures);
   }, [signatures]);
 
-  const handleReplaceAll = useCallback(() => {
-    handleUpdateSignatures(parsedSignatures, false);
-    setAskUser(false);
-  }, [parsedSignatures, handleUpdateSignatures]);
-
-  const handleUpdateOnly = useCallback(() => {
-    handleUpdateSignatures(parsedSignatures, true);
-    setAskUser(false);
-  }, [parsedSignatures, handleUpdateSignatures]);
-
   const handleSelectSignatures = useCallback(
     // TODO still will be good to define types if we use typescript
     // @ts-ignore
@@ -219,14 +217,7 @@ export const SystemSignaturesContent = ({
       settings.map(x => x.key),
     );
 
-    const { removed } = getActualSigs(signaturesRef.current, newSignatures, false);
-
-    if (!signaturesRef.current || !signaturesRef.current.length || !removed.length) {
-      handleUpdateSignatures(newSignatures, false);
-    } else {
-      setParsedSignatures(newSignatures);
-      setAskUser(true);
-    }
+    handleUpdateSignatures(newSignatures, !lazyDeleteValue);
   };
 
   useHotkey(true, ['a'], handleSelectAll);
@@ -237,7 +228,6 @@ export const SystemSignaturesContent = ({
   useEffect(() => {
     if (!systemId) {
       setSignatures([]);
-      setAskUser(false);
       return;
     }
 
@@ -430,27 +420,6 @@ export const SystemSignaturesContent = ({
             signatureData={selectedSignature}
           />
         )}
-
-        {askUser && (
-          <div className="absolute left-[1px] top-[29px] h-[calc(100%-30px)] w-[calc(100%-3px)] bg-stone-900/10 backdrop-blur-sm">
-            <div className="absolute top-0 left-0 w-full h-full flex flex-col items-center justify-center">
-              <div className="text-stone-400/80 text-sm">
-                <div className="flex flex-col text-center gap-2">
-                  <button className="p-button p-component p-button-outlined p-button-sm btn-wide">
-                    <span className="p-button-label p-c" onClick={handleUpdateOnly}>
-                      Update
-                    </span>
-                  </button>
-                  <button className="p-button p-component p-button-outlined p-button-sm btn-wide">
-                    <span className="p-button-label p-c" onClick={handleReplaceAll}>
-                      Update & Delete missing
-                    </span>
-                  </button>
-                </div>
-              </div>
-            </div>
-          </div>
-        )}
       </div>
     </>
   );
diff --git a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/helpers/getActualSigs.ts b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/helpers/getActualSigs.ts
index 24ff4c55..6ffdc247 100644
--- a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/helpers/getActualSigs.ts
+++ b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/helpers/getActualSigs.ts
@@ -6,6 +6,7 @@ export const getActualSigs = (
   oldSignatures: SystemSignature[],
   newSignatures: SystemSignature[],
   updateOnly: boolean,
+  skipUpdateUntouched?: boolean,
 ): { added: SystemSignature[]; updated: SystemSignature[]; removed: SystemSignature[] } => {
   const updated: SystemSignature[] = [];
   const removed: SystemSignature[] = [];
@@ -19,7 +20,7 @@ export const getActualSigs = (
       const isNeedUpgrade = getState(GROUPS_LIST, newSig) > getState(GROUPS_LIST, oldSig);
       if (isNeedUpgrade) {
         updated.push({ ...oldSig, group: newSig.group, name: newSig.name });
-      } else {
+      } else if (!skipUpdateUntouched) {
         updated.push({ ...oldSig });
       }
     } else {