diff --git a/apps/meteor/client/components/GazzodownText.spec.tsx b/apps/meteor/client/components/GazzodownText.spec.tsx
index 3e41da52b9c..2bf9c746b5b 100644
--- a/apps/meteor/client/components/GazzodownText.spec.tsx
+++ b/apps/meteor/client/components/GazzodownText.spec.tsx
@@ -50,7 +50,7 @@ describe('GazzodownText highlights', () => {
 			<GazzodownText>
 				<HighlightTester text='Это тест сообщения' />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 		// Expect that the highlighted element wraps exactly "тест"
 		expect(screen.getByTitle('Highlighted_chosen_word')).toHaveTextContent(/^тест$/i);
@@ -63,7 +63,7 @@ describe('GazzodownText highlights', () => {
 			<GazzodownText>
 				<HighlightTester text='Тест сообщения' />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 		expect(screen.getByTitle('Highlighted_chosen_word')).toHaveTextContent(/^тест$/i);
 	});
@@ -75,7 +75,7 @@ describe('GazzodownText highlights', () => {
 			<GazzodownText>
 				<HighlightTester text='Тестирование сообщения' />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 		expect(screen.queryByTitle('Highlighted_chosen_word')).not.toBeInTheDocument();
 	});
@@ -87,7 +87,7 @@ describe('GazzodownText highlights', () => {
 			<GazzodownText>
 				<HighlightTester text='Сообщение тест' />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 		expect(screen.getByTitle('Highlighted_chosen_word')).toHaveTextContent(/^тест$/i);
 	});
@@ -99,7 +99,7 @@ describe('GazzodownText highlights', () => {
 			<GazzodownText>
 				<HighlightTester text='This is a test message' />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 		expect(screen.getByTitle('Highlighted_chosen_word')).toHaveTextContent(/^test$/i);
 	});
@@ -111,7 +111,7 @@ describe('GazzodownText highlights', () => {
 			<GazzodownText>
 				<HighlightTester text='test is at the beginning, in the middle test, and at the end test' />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 		const highlightedElements = screen.getAllByTitle('Highlighted_chosen_word');
 		// Expect three separate highlights.
@@ -133,7 +133,7 @@ in it.`;
 			<GazzodownText>
 				<HighlightTester text={multilineText} />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 		const highlightedElements = screen.getAllByTitle('Highlighted_chosen_word');
 		// At least two occurrences are expected: one for "Test" (capitalized) and one for "test"
@@ -151,7 +151,7 @@ in it.`;
 			<GazzodownText>
 				<HighlightTester text='This is :test: inside colons' />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 		// The highlighted element should contain only "test"
 		expect(screen.getByTitle('Highlighted_chosen_word')).toHaveTextContent(/^test$/i);
@@ -164,7 +164,7 @@ in it.`;
 			<GazzodownText>
 				<HighlightTester text='This is :test with colon at the start' />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 		// The highlighted element should contain only "test"
 		expect(screen.getByTitle('Highlighted_chosen_word')).toHaveTextContent(/^test$/i);
@@ -177,7 +177,7 @@ in it.`;
 			<GazzodownText>
 				<HighlightTester text='This is test: with colon at end' />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 		// The highlighted element should contain only "test"
 		expect(screen.getByTitle('Highlighted_chosen_word')).toHaveTextContent(/^test$/i);
@@ -190,7 +190,7 @@ in it.`;
 			<GazzodownText>
 				<HighlightTester text='This test message should highlight the word highlight in multiple places: test and highlight.' />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 
 		const highlightedElements = screen.getAllByTitle('Highlighted_chosen_word');
@@ -209,7 +209,7 @@ in it.`;
 			<GazzodownText>
 				<HighlightTester text={testText} />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 
 		expect(screen.getByTitle('Highlighted_chosen_word')).toHaveTextContent(/^te-st_te\.st\/te=te!st:$/i);
@@ -222,7 +222,7 @@ in it.`;
 			<GazzodownText>
 				<HighlightTester text='This is a test message' />
 			</GazzodownText>,
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 		expect(screen.getByTitle('Highlighted_chosen_word')).toHaveTextContent(/^test$/i);
 	});
diff --git a/apps/meteor/client/components/message/variants/SystemMessage.spec.tsx b/apps/meteor/client/components/message/variants/SystemMessage.spec.tsx
index c0482e831db..9df7e766944 100644
--- a/apps/meteor/client/components/message/variants/SystemMessage.spec.tsx
+++ b/apps/meteor/client/components/message/variants/SystemMessage.spec.tsx
@@ -56,7 +56,7 @@ describe('SystemMessage', () => {
 	it('should render system message', () => {
 		const message = createBaseMessage('& test &');
 
-		render(<SystemMessage message={message} showUserAvatar />, { legacyRoot: true, wrapper: wrapper.build() });
+		render(<SystemMessage message={message} showUserAvatar />, { wrapper: wrapper.build() });
 
 		expect(screen.getByText('changed room description to: & test &')).toBeInTheDocument();
 	});
@@ -64,7 +64,7 @@ describe('SystemMessage', () => {
 	it('should not show escaped html while rendering system message', () => {
 		const message = createBaseMessage('& test &');
 
-		render(<SystemMessage message={message} showUserAvatar />, { legacyRoot: true, wrapper: wrapper.build() });
+		render(<SystemMessage message={message} showUserAvatar />, { wrapper: wrapper.build() });
 
 		expect(screen.getByText('changed room description to: & test &')).toBeInTheDocument();
 		expect(screen.queryByText('changed room description to: &amp; test &amp;')).not.toBeInTheDocument();
@@ -73,7 +73,7 @@ describe('SystemMessage', () => {
 	it('should not inject html', () => {
 		const message = createBaseMessage('<button title="test-title">OK</button>');
 
-		render(<SystemMessage message={message} showUserAvatar />, { legacyRoot: true, wrapper: wrapper.build() });
+		render(<SystemMessage message={message} showUserAvatar />, { wrapper: wrapper.build() });
 
 		expect(screen.queryByTitle('test-title')).not.toBeInTheDocument();
 		expect(screen.getByText('changed room description to: <button title="test-title">OK</button>')).toBeInTheDocument();
diff --git a/apps/meteor/client/hooks/useUserCustomFields.spec.tsx b/apps/meteor/client/hooks/useUserCustomFields.spec.tsx
index 4c38adc2f3e..c27ec3d769d 100644
--- a/apps/meteor/client/hooks/useUserCustomFields.spec.tsx
+++ b/apps/meteor/client/hooks/useUserCustomFields.spec.tsx
@@ -10,7 +10,6 @@ it('should not break with invalid Accounts_CustomFieldsToShowInUserInfo setting'
 				prop: 'value',
 			}),
 		{
-			legacyRoot: true,
 			wrapper: mockAppRoot()
 				.withSetting('Accounts_CustomFieldsToShowInUserInfo', '{"Invalid": "Object", "InvalidProperty": "Invalid" }')
 				.build(),
diff --git a/apps/meteor/client/views/admin/engagementDashboard/messages/useMessagesSent.spec.ts b/apps/meteor/client/views/admin/engagementDashboard/messages/useMessagesSent.spec.ts
index 906885b2ebe..1922ed22958 100644
--- a/apps/meteor/client/views/admin/engagementDashboard/messages/useMessagesSent.spec.ts
+++ b/apps/meteor/client/views/admin/engagementDashboard/messages/useMessagesSent.spec.ts
@@ -56,7 +56,6 @@ it('should return utc time', async () => {
 		},
 	};
 	const { result } = renderHook(() => useMessagesSent({ period: 'this week', utc: true }), {
-		legacyRoot: true,
 		wrapper: mockAppRoot()
 			.withEndpoint('GET', '/v1/engagement-dashboard/messages/messages-sent', () => expectedResult)
 			.build(),
@@ -117,7 +116,6 @@ it.skip('should return local time', async () => {
 		},
 	};
 	const { result } = renderHook(() => useMessagesSent({ period: 'this week', utc: false }), {
-		legacyRoot: true,
 		wrapper: mockAppRoot()
 			.withEndpoint('GET', '/v1/engagement-dashboard/messages/messages-sent', () => expectedResult)
 			.build(),
diff --git a/apps/meteor/client/views/admin/engagementDashboard/users/useHourlyChatActivity.spec.ts b/apps/meteor/client/views/admin/engagementDashboard/users/useHourlyChatActivity.spec.ts
index e27e0fe6e2c..2b5183bd289 100644
--- a/apps/meteor/client/views/admin/engagementDashboard/users/useHourlyChatActivity.spec.ts
+++ b/apps/meteor/client/views/admin/engagementDashboard/users/useHourlyChatActivity.spec.ts
@@ -22,7 +22,6 @@ it('should return utc time', async () => {
 		success: true,
 	};
 	const { result } = renderHook(() => useHourlyChatActivity({ displacement: 0, utc: true }), {
-		legacyRoot: true,
 		wrapper: mockAppRoot()
 			.withEndpoint('GET', '/v1/engagement-dashboard/users/chat-busier/hourly-data', () => expectedResult)
 			.build(),
@@ -76,7 +75,6 @@ it.skip('should return local time', async () => {
 	};
 
 	const { result } = renderHook(() => useHourlyChatActivity({ displacement: 0, utc: false }), {
-		legacyRoot: true,
 		wrapper: mockAppRoot()
 			.withEndpoint('GET', '/v1/engagement-dashboard/users/chat-busier/hourly-data', () => receivedData)
 			.build(),
diff --git a/apps/meteor/client/views/admin/engagementDashboard/users/useNewUsers.spec.ts b/apps/meteor/client/views/admin/engagementDashboard/users/useNewUsers.spec.ts
index e1da1410538..6d59f392505 100644
--- a/apps/meteor/client/views/admin/engagementDashboard/users/useNewUsers.spec.ts
+++ b/apps/meteor/client/views/admin/engagementDashboard/users/useNewUsers.spec.ts
@@ -56,7 +56,6 @@ it('should return utc time', async () => {
 		},
 	};
 	const { result } = renderHook(() => useNewUsers({ period: 'this week', utc: true }), {
-		legacyRoot: true,
 		wrapper: mockAppRoot()
 			.withEndpoint('GET', '/v1/engagement-dashboard/users/new-users', () => expectedResult)
 			.build(),
@@ -117,7 +116,6 @@ it.skip('should return local time', async () => {
 		},
 	};
 	const { result } = renderHook(() => useNewUsers({ period: 'this week', utc: false }), {
-		legacyRoot: true,
 		wrapper: mockAppRoot()
 			.withEndpoint('GET', '/v1/engagement-dashboard/users/new-users', () => expectedResult)
 			.build(),
diff --git a/apps/meteor/client/views/hooks/useMemberList.spec.tsx b/apps/meteor/client/views/hooks/useMemberList.spec.tsx
index 88aa47c0760..2d762c5268b 100644
--- a/apps/meteor/client/views/hooks/useMemberList.spec.tsx
+++ b/apps/meteor/client/views/hooks/useMemberList.spec.tsx
@@ -85,7 +85,7 @@ describe('useMembersList', () => {
 					debouncedText: '',
 					roomType: 'c',
 				}),
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 
 		await expect(result.current.isLoading).toBe(true);
@@ -107,7 +107,7 @@ describe('useMembersList', () => {
 					debouncedText: '',
 					roomType: 'p',
 				}),
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 
 		expect(result.current.isLoading).toBe(true);
@@ -130,7 +130,7 @@ describe('useMembersList', () => {
 					debouncedText: '',
 					roomType: 'd',
 				}),
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 
 		await waitFor(() => expect(result.current.isLoading).toBe(false));
@@ -152,7 +152,6 @@ describe('useMembersList', () => {
 					roomType: 'c',
 				}),
 			{
-				legacyRoot: true,
 				wrapper: wrapper
 					.withEndpoint('GET', '/v1/rooms.membersOrderedByRole', ({ offset }) => {
 						if (offset === 0) {
@@ -199,7 +198,7 @@ describe('useMembersList', () => {
 					debouncedText: '',
 					roomType: 'c',
 				}),
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 
 		await waitFor(() => expect(subscribeMock).toHaveBeenCalledWith('roles-change', expect.any(Function)));
@@ -229,7 +228,7 @@ describe('useMembersList', () => {
 					debouncedText: '',
 					roomType: 'c',
 				}),
-			{ legacyRoot: true, wrapper: wrapper.build() },
+			{ wrapper: wrapper.build() },
 		);
 
 		await waitFor(() => expect(result.current.isLoading).toBe(false));
@@ -285,7 +284,6 @@ describe('useMembersList', () => {
 					roomType: 'c',
 				}),
 			{
-				legacyRoot: true,
 				wrapper: wrapper.withEndpoint('GET', '/v1/rooms.membersOrderedByRole', (_params) => customPage as any).build(),
 			},
 		);
@@ -362,7 +360,7 @@ describe('useMembersList', () => {
 					debouncedText: '',
 					roomType: 'c',
 				}),
-			{ legacyRoot: true, wrapper: testWrapper.build() },
+			{ wrapper: testWrapper.build() },
 		);
 
 		// Page 1
diff --git a/apps/meteor/client/views/marketplace/AppDetailsPage/AppDetailsPage.spec.tsx b/apps/meteor/client/views/marketplace/AppDetailsPage/AppDetailsPage.spec.tsx
index d6bae87ccc5..da8f0eaad32 100644
--- a/apps/meteor/client/views/marketplace/AppDetailsPage/AppDetailsPage.spec.tsx
+++ b/apps/meteor/client/views/marketplace/AppDetailsPage/AppDetailsPage.spec.tsx
@@ -62,7 +62,6 @@ describe('AppDetailsPage', () => {
 	it('should not display the Save button initially', async () => {
 		render(<AppDetailsPage id='app123' />, {
 			wrapper: wrapper.build(),
-			legacyRoot: true,
 		});
 
 		await waitFor(() => {
@@ -73,7 +72,6 @@ describe('AppDetailsPage', () => {
 	it('should display the Save button when a setting is changed', async () => {
 		render(<AppDetailsPage id='app123' />, {
 			wrapper: wrapper.build(),
-			legacyRoot: true,
 		});
 
 		const settingInput = screen.getByLabelText('setting1');
@@ -90,7 +88,6 @@ describe('AppDetailsPage', () => {
 
 		render(<AppDetailsPage id='app123' />, {
 			wrapper: wrapper.build(),
-			legacyRoot: true,
 		});
 
 		const settingInput = screen.getByLabelText('setting1');
@@ -111,7 +108,6 @@ describe('AppDetailsPage', () => {
 
 		render(<AppDetailsPage id='app123' />, {
 			wrapper: wrapper.build(),
-			legacyRoot: true,
 		});
 
 		const settingInput = screen.getByLabelText('setting1');
@@ -131,7 +127,6 @@ describe('AppDetailsPage', () => {
 
 		render(<AppDetailsPage id='app123' />, {
 			wrapper: wrapper.build(),
-			legacyRoot: true,
 		});
 
 		const settingInput = screen.getByLabelText('setting1');
diff --git a/packages/ui-client/src/hooks/useUserDisplayName.spec.ts b/packages/ui-client/src/hooks/useUserDisplayName.spec.ts
index a4ed61fbc9b..8dc0e6e739f 100644
--- a/packages/ui-client/src/hooks/useUserDisplayName.spec.ts
+++ b/packages/ui-client/src/hooks/useUserDisplayName.spec.ts
@@ -10,7 +10,6 @@ const fakeUser = {
 
 it('should return username if UI_Use_Real_Name setting is false', () => {
 	const { result } = renderHook(() => useUserDisplayName(fakeUser), {
-		legacyRoot: true,
 		wrapper: mockAppRoot().withSetting('UI_Use_Real_Name', false).build(),
 	});
 
@@ -19,7 +18,6 @@ it('should return username if UI_Use_Real_Name setting is false', () => {
 
 it('should return name if UI_Use_Real_Name setting is true', () => {
 	const { result } = renderHook(() => useUserDisplayName(fakeUser), {
-		legacyRoot: true,
 		wrapper: mockAppRoot().withSetting('UI_Use_Real_Name', true).build(),
 	});
 
@@ -28,7 +26,6 @@ it('should return name if UI_Use_Real_Name setting is true', () => {
 
 it('should return username if UI_Use_Real_Name setting is true and user has no name', () => {
 	const { result } = renderHook(() => useUserDisplayName({ ...fakeUser, name: undefined }), {
-		legacyRoot: true,
 		wrapper: mockAppRoot().withSetting('UI_Use_Real_Name', true).build(),
 	});