diff --git a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatureHeader/SystemSignatureHeader.tsx b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatureHeader/SystemSignatureHeader.tsx
new file mode 100644
index 00000000..7e940ebc
--- /dev/null
+++ b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatureHeader/SystemSignatureHeader.tsx
@@ -0,0 +1,96 @@
+import React from 'react';
+import { SystemView, WdCheckbox, WdImgButton, TooltipPosition } from '@/hooks/Mapper/components/ui-kit';
+import { PrimeIcons } from 'primereact/api';
+import { CheckboxChangeEvent } from 'primereact/checkbox';
+import { InfoDrawer, LayoutEventBlocker } from '@/hooks/Mapper/components/ui-kit';
+import { WdTooltipWrapper } from '@/hooks/Mapper/components/ui-kit/WdTooltipWrapper';
+
+export type HeaderProps = {
+  systemId: string;
+  isNotSelectedSystem: boolean;
+  sigCount: number;
+  isCompact: boolean;
+  lazyDeleteValue: boolean;
+  onLazyDeleteChange: (checked: boolean) => void;
+  pendingCount: number;
+  onUndoClick: () => void;
+  onSettingsClick: () => void;
+};
+
+function HeaderImpl({
+  systemId,
+  isNotSelectedSystem,
+  sigCount,
+  isCompact,
+  lazyDeleteValue,
+  onLazyDeleteChange,
+  pendingCount,
+  onUndoClick,
+  onSettingsClick,
+}: HeaderProps) {
+  return (
+    <div className="flex justify-between items-center text-xs w-full h-full">
+      <div className="flex justify-between items-center gap-1">
+        {!isCompact && (
+          <div className="flex whitespace-nowrap text-ellipsis overflow-hidden text-stone-400">
+            {sigCount ? `[${sigCount}] ` : ''}Signatures {isNotSelectedSystem ? '' : 'in'}
+          </div>
+        )}
+        {!isNotSelectedSystem && <SystemView systemId={systemId} className="select-none text-center" hideRegion />}
+      </div>
+
+      <LayoutEventBlocker className="flex gap-2.5">
+        <WdTooltipWrapper content="Enable Lazy delete">
+          <WdCheckbox
+            size="xs"
+            labelSide="left"
+            label={isCompact ? '' : 'Lazy delete'}
+            value={lazyDeleteValue}
+            classNameLabel="text-stone-400 hover:text-stone-200 transition duration-300 whitespace-nowrap text-ellipsis overflow-hidden"
+            onChange={(event: CheckboxChangeEvent) => onLazyDeleteChange(!!event.checked)}
+          />
+        </WdTooltipWrapper>
+
+        {pendingCount > 0 && (
+          <WdImgButton
+            className={PrimeIcons.UNDO}
+            style={{ color: 'red' }}
+            tooltip={{ content: `Undo pending changes (${pendingCount})` }}
+            onClick={onUndoClick}
+          />
+        )}
+
+        <WdImgButton
+          className={PrimeIcons.QUESTION_CIRCLE}
+          tooltip={{
+            position: TooltipPosition.left,
+            content: (
+              <div className="flex flex-col gap-1">
+                <InfoDrawer title={<b className="text-slate-50">How to add/update signature?</b>}>
+                  In game you need to select one or more signatures <br /> in the list in{' '}
+                  <b className="text-sky-500">Probe scanner</b>. <br /> Use next hotkeys:
+                  <br />
+                  <b className="text-sky-500">Shift + LMB</b> or <b className="text-sky-500">Ctrl + LMB</b>
+                  <br /> or <b className="text-sky-500">Ctrl + A</b> for select all
+                  <br /> and then use <b className="text-sky-500">Ctrl + C</b>, after you need to go <br />
+                  here, select Solar system and paste it with <b className="text-sky-500">Ctrl + V</b>
+                </InfoDrawer>
+                <InfoDrawer title={<b className="text-slate-50">How to select?</b>}>
+                  For selecting any signature, click on it <br /> with hotkeys{' '}
+                  <b className="text-sky-500">Shift + LMB</b> or <b className="text-sky-500">Ctrl + LMB</b>
+                </InfoDrawer>
+                <InfoDrawer title={<b className="text-slate-50">How to delete?</b>}>
+                  To delete any signature, first select it <br /> and then press <b className="text-sky-500">Del</b>
+                </InfoDrawer>
+              </div>
+            ),
+          }}
+        />
+
+        <WdImgButton className={PrimeIcons.SLIDERS_H} onClick={onSettingsClick} />
+      </LayoutEventBlocker>
+    </div>
+  );
+}
+
+export const SystemSignaturesHeader = React.memo(HeaderImpl);
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 31dea303..37c05c78 100644
--- a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatures.tsx
+++ b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatures.tsx
@@ -1,13 +1,5 @@
 import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { Widget } from '@/hooks/Mapper/components/mapInterface/components';
-import {
-  InfoDrawer,
-  LayoutEventBlocker,
-  SystemView,
-  TooltipPosition,
-  WdCheckbox,
-  WdImgButton,
-} from '@/hooks/Mapper/components/ui-kit';
 import { SystemSignaturesContent } from './SystemSignaturesContent';
 import {
   COSMIC_ANOMALY,
@@ -21,13 +13,11 @@ import {
   SystemSignatureSettingsDialog,
 } from './SystemSignatureSettingsDialog';
 import { SignatureGroup, SystemSignature } from '@/hooks/Mapper/types';
-import { PrimeIcons } from 'primereact/api';
 import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
-import { CheckboxChangeEvent } from 'primereact/checkbox';
 import useMaxWidth from '@/hooks/Mapper/hooks/useMaxWidth';
-import { WdTooltipWrapper } from '@/hooks/Mapper/components/ui-kit/WdTooltipWrapper';
 import { useHotkey } from '@/hooks/Mapper/hooks';
 import { COMPACT_MAX_WIDTH } from './constants';
+import { renderHeaderLabel } from './renders';
 
 const SIGNATURE_SETTINGS_KEY = 'wanderer_system_signature_settings_v5_5';
 export const SHOW_DESCRIPTION_COLUMN_SETTING = 'show_description_column_setting';
@@ -58,7 +48,9 @@ const SETTINGS: Setting[] = [
   { key: SignatureGroup.CombatSite, name: 'Show Combat Sites', value: true, isFilter: true },
 ];
 
-const getDefaultSettings = (): Setting[] => [...SETTINGS];
+function getDefaultSettings(): Setting[] {
+  return [...SETTINGS];
+}
 
 export const SystemSignatures: React.FC = () => {
   const {
@@ -85,7 +77,8 @@ export const SystemSignatures: React.FC = () => {
 
   const [sigCount, setSigCount] = useState<number>(0);
   const [pendingSigs, setPendingSigs] = useState<SystemSignature[]>([]);
-  const [undoPending, setUndoPending] = useState<() => void>(() => () => {});
+
+  const undoPendingFnRef = useRef<() => void>(() => {});
 
   const handleSigCountChange = useCallback((count: number) => {
     setSigCount(count);
@@ -96,7 +89,7 @@ export const SystemSignatures: React.FC = () => {
 
   const lazyDeleteValue = useMemo(
     () => currentSettings.find(setting => setting.key === LAZY_DELETE_SIGNATURES_SETTING)?.value || false,
-    [currentSettings],
+    [currentSettings]
   );
 
   const handleSettingsChange = useCallback((newSettings: Setting[]) => {
@@ -106,93 +99,59 @@ export const SystemSignatures: React.FC = () => {
 
   const handleLazyDeleteChange = useCallback((value: boolean) => {
     setCurrentSettings(prevSettings =>
-      prevSettings.map(setting => (setting.key === LAZY_DELETE_SIGNATURES_SETTING ? { ...setting, value } : setting)),
+      prevSettings.map(setting => (setting.key === LAZY_DELETE_SIGNATURES_SETTING ? { ...setting, value } : setting))
     );
   }, []);
 
   const containerRef = useRef<HTMLDivElement>(null);
   const isCompact = useMaxWidth(containerRef, COMPACT_MAX_WIDTH);
 
-  useHotkey(true, ['z'], (event: KeyboardEvent) => {
+  useHotkey(true, ['z'], event => {
     if (pendingSigs.length > 0) {
       event.preventDefault();
       event.stopPropagation();
-      undoPending();
+      undoPendingFnRef.current();
       setPendingSigs([]);
     }
   });
 
   const handleUndoClick = useCallback(() => {
-    undoPending();
+    undoPendingFnRef.current();
     setPendingSigs([]);
-  }, [undoPending]);
+  }, []);
 
   const handleSettingsButtonClick = useCallback(() => {
     setVisible(true);
   }, []);
 
-  const renderLabel = () => (
-    <div className="flex justify-between items-center text-xs w-full h-full" ref={containerRef}>
-      <div className="flex justify-between items-center gap-1">
-        {!isCompact && (
-          <div className="flex whitespace-nowrap text-ellipsis overflow-hidden text-stone-400">
-            {sigCount ? `[${sigCount}] ` : ''}Signatures {isNotSelectedSystem ? '' : 'in'}
-          </div>
-        )}
-        {!isNotSelectedSystem && <SystemView systemId={systemId} className="select-none text-center" hideRegion />}
-      </div>
-      <LayoutEventBlocker className="flex gap-2.5">
-        <WdTooltipWrapper content="Enable Lazy delete">
-          <WdCheckbox
-            size="xs"
-            labelSide="left"
-            label={isCompact ? '' : 'Lazy delete'}
-            value={lazyDeleteValue}
-            classNameLabel="text-stone-400 hover:text-stone-200 transition duration-300 whitespace-nowrap text-ellipsis overflow-hidden"
-            onChange={(event: CheckboxChangeEvent) => handleLazyDeleteChange(!!event.checked)}
-          />
-        </WdTooltipWrapper>
-        {pendingSigs.length > 0 && (
-          <WdImgButton
-            className={PrimeIcons.UNDO}
-            style={{ color: 'red' }}
-            tooltip={{ content: `Undo pending changes (${pendingSigs.length})` }}
-            onClick={handleUndoClick}
-          />
-        )}
-        <WdImgButton
-          className={PrimeIcons.QUESTION_CIRCLE}
-          tooltip={{
-            position: TooltipPosition.left,
-            content: (
-              <div className="flex flex-col gap-1">
-                <InfoDrawer title={<b className="text-slate-50">How to add/update signature?</b>}>
-                  In game you need to select one or more signatures <br /> in the list in{' '}
-                  <b className="text-sky-500">Probe scanner</b>. <br /> Use next hotkeys:
-                  <br />
-                  <b className="text-sky-500">Shift + LMB</b> or <b className="text-sky-500">Ctrl + LMB</b>
-                  <br /> or <b className="text-sky-500">Ctrl + A</b> for select all
-                  <br /> and then use <b className="text-sky-500">Ctrl + C</b>, after you need to go <br />
-                  here, select Solar system and paste it with <b className="text-sky-500">Ctrl + V</b>
-                </InfoDrawer>
-                <InfoDrawer title={<b className="text-slate-50">How to select?</b>}>
-                  For selecting any signature, click on it <br /> with hotkeys{' '}
-                  <b className="text-sky-500">Shift + LMB</b> or <b className="text-sky-500">Ctrl + LMB</b>
-                </InfoDrawer>
-                <InfoDrawer title={<b className="text-slate-50">How to delete?</b>}>
-                  To delete any signature, first select it <br /> and then press <b className="text-sky-500">Del</b>
-                </InfoDrawer>
-              </div>
-            ) as React.ReactNode,
-          }}
-        />
-        <WdImgButton className={PrimeIcons.SLIDERS_H} onClick={handleSettingsButtonClick} />
-      </LayoutEventBlocker>
-    </div>
-  );
+  const handlePendingChange = useCallback((newPending: SystemSignature[], newUndo: () => void) => {
+    setPendingSigs(prev => {
+      if (newPending.length === prev.length && newPending.every(np => prev.some(pp => pp.eve_id === np.eve_id))) {
+        return prev;
+      }
+      return newPending;
+    });
+    undoPendingFnRef.current = newUndo;
+  }, []);
 
   return (
-    <Widget label={renderLabel()}>
+    <Widget
+      label={
+        <div ref={containerRef} className="w-full">
+          {renderHeaderLabel({
+            systemId,
+            isNotSelectedSystem,
+            isCompact,
+            sigCount,
+            lazyDeleteValue,
+            pendingCount: pendingSigs.length,
+            onLazyDeleteChange: handleLazyDeleteChange,
+            onUndoClick: handleUndoClick,
+            onSettingsClick: handleSettingsButtonClick,
+          })}
+        </div>
+      }
+    >
       {isNotSelectedSystem ? (
         <div className="w-full h-full flex justify-center items-center select-none text-center text-stone-400/80 text-sm">
           System is not selected
@@ -203,10 +162,7 @@ export const SystemSignatures: React.FC = () => {
           settings={currentSettings}
           onLazyDeleteChange={handleLazyDeleteChange}
           onCountChange={handleSigCountChange}
-          onPendingChange={(pending, undo) => {
-            setPendingSigs(pending);
-            setUndoPending(() => undo);
-          }}
+          onPendingChange={handlePendingChange}
         />
       )}
       {visible && (
diff --git a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/renders/index.ts b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/renders/index.ts
index 91b7bb53..9e55bacc 100644
--- a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/renders/index.ts
+++ b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/renders/index.ts
@@ -5,3 +5,4 @@ export * from './renderAddedTimeLeft';
 export * from './renderUpdatedTimeLeft';
 export * from './renderLinkedSystem';
 export * from './renderInfoColumn';
+export * from './renderHeaderLabel';
diff --git a/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/renders/renderHeaderLabel.tsx b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/renders/renderHeaderLabel.tsx
new file mode 100644
index 00000000..fba0d71e
--- /dev/null
+++ b/assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/renders/renderHeaderLabel.tsx
@@ -0,0 +1,5 @@
+import { SystemSignaturesHeader, HeaderProps } from '../SystemSignatureHeader/SystemSignatureHeader';
+
+export function renderHeaderLabel(props: HeaderProps) {
+  return <SystemSignaturesHeader {...props} />;
+}