diff --git a/Userland/Applications/BrowserSettings/main.cpp b/Userland/Applications/BrowserSettings/main.cpp
index 40883bf1065..5a1559eaf37 100644
--- a/Userland/Applications/BrowserSettings/main.cpp
+++ b/Userland/Applications/BrowserSettings/main.cpp
@@ -26,7 +26,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto window = TRY(GUI::SettingsWindow::create("Browser Settings", GUI::SettingsWindow::ShowDefaultsButton::Yes));
     window->set_icon(app_icon.bitmap_for_size(16));
-    TRY(window->add_tab<BrowserSettingsWidget>("Browser"));
+    (void)TRY(window->add_tab<BrowserSettingsWidget>("Browser"));
 
     window->show();
     return app->exec();
diff --git a/Userland/Applications/CrashReporter/main.cpp b/Userland/Applications/CrashReporter/main.cpp
index 121b00f1895..faa96ab5615 100644
--- a/Userland/Applications/CrashReporter/main.cpp
+++ b/Userland/Applications/CrashReporter/main.cpp
@@ -276,7 +276,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     auto& tab_widget = *widget->find_descendant_of_type_named<GUI::TabWidget>("tab_widget");
 
     auto backtrace_tab = TRY(tab_widget.try_add_tab<GUI::Widget>("Backtrace"));
-    TRY(backtrace_tab->try_set_layout<GUI::VerticalBoxLayout>());
+    (void)TRY(backtrace_tab->try_set_layout<GUI::VerticalBoxLayout>());
     backtrace_tab->layout()->set_margins(4);
 
     auto backtrace_label = TRY(backtrace_tab->try_add<GUI::Label>("A backtrace for each thread alive during the crash is listed below:"));
@@ -287,7 +287,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     backtrace_tab_widget->set_tab_position(GUI::TabWidget::TabPosition::Bottom);
     for (auto& backtrace : thread_backtraces) {
         auto container = TRY(backtrace_tab_widget->try_add_tab<GUI::Widget>(backtrace.title));
-        TRY(container->try_set_layout<GUI::VerticalBoxLayout>());
+        (void)TRY(container->try_set_layout<GUI::VerticalBoxLayout>());
         container->layout()->set_margins(4);
         auto backtrace_text_editor = TRY(container->try_add<GUI::TextEditor>());
         backtrace_text_editor->set_text(backtrace.text);
@@ -307,7 +307,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     cpu_registers_tab_widget->set_tab_position(GUI::TabWidget::TabPosition::Bottom);
     for (auto& cpu_registers : thread_cpu_registers) {
         auto container = TRY(cpu_registers_tab_widget->try_add_tab<GUI::Widget>(cpu_registers.title));
-        TRY(container->try_set_layout<GUI::VerticalBoxLayout>());
+        (void)TRY(container->try_set_layout<GUI::VerticalBoxLayout>());
         container->layout()->set_margins(4);
         auto cpu_registers_text_editor = TRY(container->try_add<GUI::TextEditor>());
         cpu_registers_text_editor->set_text(cpu_registers.text);
@@ -316,7 +316,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     }
 
     auto environment_tab = TRY(tab_widget.try_add_tab<GUI::Widget>("Environment"));
-    TRY(environment_tab->try_set_layout<GUI::VerticalBoxLayout>());
+    (void)TRY(environment_tab->try_set_layout<GUI::VerticalBoxLayout>());
     environment_tab->layout()->set_margins(4);
 
     auto environment_text_editor = TRY(environment_tab->try_add<GUI::TextEditor>());
@@ -325,7 +325,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     environment_text_editor->set_should_hide_unnecessary_scrollbars(true);
 
     auto memory_regions_tab = TRY(tab_widget.try_add_tab<GUI::Widget>("Memory Regions"));
-    TRY(memory_regions_tab->try_set_layout<GUI::VerticalBoxLayout>());
+    (void)TRY(memory_regions_tab->try_set_layout<GUI::VerticalBoxLayout>());
     memory_regions_tab->layout()->set_margins(4);
 
     auto memory_regions_text_editor = TRY(memory_regions_tab->try_add<GUI::TextEditor>());
diff --git a/Userland/Applications/DisplaySettings/main.cpp b/Userland/Applications/DisplaySettings/main.cpp
index e643f10aaef..d0363048581 100644
--- a/Userland/Applications/DisplaySettings/main.cpp
+++ b/Userland/Applications/DisplaySettings/main.cpp
@@ -27,10 +27,10 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     auto app_icon = GUI::Icon::default_icon("app-display-settings");
 
     auto window = TRY(GUI::SettingsWindow::create("Display Settings"));
-    TRY(window->add_tab<DisplaySettings::BackgroundSettingsWidget>("Background"));
-    TRY(window->add_tab<DisplaySettings::FontSettingsWidget>("Fonts"));
-    TRY(window->add_tab<DisplaySettings::MonitorSettingsWidget>("Monitor"));
-    TRY(window->add_tab<DisplaySettings::DesktopSettingsWidget>("Workspaces"));
+    (void)TRY(window->add_tab<DisplaySettings::BackgroundSettingsWidget>("Background"));
+    (void)TRY(window->add_tab<DisplaySettings::FontSettingsWidget>("Fonts"));
+    (void)TRY(window->add_tab<DisplaySettings::MonitorSettingsWidget>("Monitor"));
+    (void)TRY(window->add_tab<DisplaySettings::DesktopSettingsWidget>("Workspaces"));
 
     window->set_icon(app_icon.bitmap_for_size(16));
 
diff --git a/Userland/Applications/FileManager/main.cpp b/Userland/Applications/FileManager/main.cpp
index b4fbeaed698..27326c9c5a3 100644
--- a/Userland/Applications/FileManager/main.cpp
+++ b/Userland/Applications/FileManager/main.cpp
@@ -278,7 +278,7 @@ ErrorOr<int> run_in_desktop_mode()
     window->set_has_alpha_channel(true);
 
     auto desktop_widget = TRY(window->try_set_main_widget<FileManager::DesktopWidget>());
-    TRY(desktop_widget->try_set_layout<GUI::VerticalBoxLayout>());
+    (void)TRY(desktop_widget->try_set_layout<GUI::VerticalBoxLayout>());
 
     auto directory_view = TRY(desktop_widget->try_add<DirectoryView>(DirectoryView::Mode::Desktop));
     directory_view->set_name("directory_view");
@@ -904,31 +904,31 @@ ErrorOr<int> run_in_windowed_mode(String initial_location, String entry_focused_
     auto help_menu = TRY(window->try_add_menu("&Help"));
     TRY(help_menu->try_add_action(GUI::CommonActions::make_about_action("File Manager", GUI::Icon::default_icon("app-file-manager"), window)));
 
-    TRY(main_toolbar.try_add_action(go_back_action));
-    TRY(main_toolbar.try_add_action(go_forward_action));
-    TRY(main_toolbar.try_add_action(open_parent_directory_action));
-    TRY(main_toolbar.try_add_action(go_home_action));
+    (void)TRY(main_toolbar.try_add_action(go_back_action));
+    (void)TRY(main_toolbar.try_add_action(go_forward_action));
+    (void)TRY(main_toolbar.try_add_action(open_parent_directory_action));
+    (void)TRY(main_toolbar.try_add_action(go_home_action));
 
     TRY(main_toolbar.try_add_separator());
-    TRY(main_toolbar.try_add_action(directory_view->open_terminal_action()));
+    (void)TRY(main_toolbar.try_add_action(directory_view->open_terminal_action()));
 
     TRY(main_toolbar.try_add_separator());
-    TRY(main_toolbar.try_add_action(mkdir_action));
-    TRY(main_toolbar.try_add_action(touch_action));
+    (void)TRY(main_toolbar.try_add_action(mkdir_action));
+    (void)TRY(main_toolbar.try_add_action(touch_action));
     TRY(main_toolbar.try_add_separator());
 
-    TRY(main_toolbar.try_add_action(focus_dependent_delete_action));
-    TRY(main_toolbar.try_add_action(directory_view->rename_action()));
+    (void)TRY(main_toolbar.try_add_action(focus_dependent_delete_action));
+    (void)TRY(main_toolbar.try_add_action(directory_view->rename_action()));
 
     TRY(main_toolbar.try_add_separator());
-    TRY(main_toolbar.try_add_action(cut_action));
-    TRY(main_toolbar.try_add_action(copy_action));
-    TRY(main_toolbar.try_add_action(paste_action));
+    (void)TRY(main_toolbar.try_add_action(cut_action));
+    (void)TRY(main_toolbar.try_add_action(copy_action));
+    (void)TRY(main_toolbar.try_add_action(paste_action));
 
     TRY(main_toolbar.try_add_separator());
-    TRY(main_toolbar.try_add_action(directory_view->view_as_icons_action()));
-    TRY(main_toolbar.try_add_action(directory_view->view_as_table_action()));
-    TRY(main_toolbar.try_add_action(directory_view->view_as_columns_action()));
+    (void)TRY(main_toolbar.try_add_action(directory_view->view_as_icons_action()));
+    (void)TRY(main_toolbar.try_add_action(directory_view->view_as_table_action()));
+    (void)TRY(main_toolbar.try_add_action(directory_view->view_as_columns_action()));
 
     directory_view->on_path_change = [&](String const& new_path, bool can_read_in_path, bool can_write_in_path) {
         auto icon = GUI::FileIconProvider::icon_for_path(new_path);
diff --git a/Userland/Applications/Help/main.cpp b/Userland/Applications/Help/main.cpp
index 5cca7409413..4fb7bb1713d 100644
--- a/Userland/Applications/Help/main.cpp
+++ b/Userland/Applications/Help/main.cpp
@@ -58,7 +58,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     window->resize(570, 500);
 
     auto widget = TRY(window->try_set_main_widget<GUI::Widget>());
-    TRY(widget->try_set_layout<GUI::VerticalBoxLayout>());
+    (void)TRY(widget->try_set_layout<GUI::VerticalBoxLayout>());
     widget->set_fill_with_background_color(true);
     widget->layout()->set_spacing(2);
 
@@ -72,11 +72,11 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto left_tab_bar = TRY(splitter->try_add<GUI::TabWidget>());
     auto tree_view_container = TRY(left_tab_bar->try_add_tab<GUI::Widget>("Browse"));
-    TRY(tree_view_container->try_set_layout<GUI::VerticalBoxLayout>());
+    (void)TRY(tree_view_container->try_set_layout<GUI::VerticalBoxLayout>());
     tree_view_container->layout()->set_margins(4);
     auto tree_view = TRY(tree_view_container->try_add<GUI::TreeView>());
     auto search_view = TRY(left_tab_bar->try_add_tab<GUI::Widget>("Search"));
-    TRY(search_view->try_set_layout<GUI::VerticalBoxLayout>());
+    (void)TRY(search_view->try_set_layout<GUI::VerticalBoxLayout>());
     search_view->layout()->set_margins(4);
     auto search_box = TRY(search_view->try_add<GUI::TextBox>());
     auto search_list_view = TRY(search_view->try_add<GUI::ListView>());
@@ -234,9 +234,9 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         open_page(path);
     });
 
-    TRY(toolbar->try_add_action(*go_back_action));
-    TRY(toolbar->try_add_action(*go_forward_action));
-    TRY(toolbar->try_add_action(*go_home_action));
+    (void)TRY(toolbar->try_add_action(*go_back_action));
+    (void)TRY(toolbar->try_add_action(*go_forward_action));
+    (void)TRY(toolbar->try_add_action(*go_home_action));
 
     auto file_menu = TRY(window->try_add_menu("&File"));
     TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
diff --git a/Userland/Applications/KeyboardSettings/main.cpp b/Userland/Applications/KeyboardSettings/main.cpp
index 386a8bc1b9b..e88765304fb 100644
--- a/Userland/Applications/KeyboardSettings/main.cpp
+++ b/Userland/Applications/KeyboardSettings/main.cpp
@@ -31,7 +31,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto window = TRY(GUI::SettingsWindow::create("Keyboard Settings"));
     window->set_icon(app_icon.bitmap_for_size(16));
-    TRY(window->add_tab<KeyboardSettingsWidget>("Keyboard"));
+    (void)TRY(window->add_tab<KeyboardSettingsWidget>("Keyboard"));
 
     window->show();
     return app->exec();
diff --git a/Userland/Applications/MailSettings/main.cpp b/Userland/Applications/MailSettings/main.cpp
index 43279c54de7..66329e9deb3 100644
--- a/Userland/Applications/MailSettings/main.cpp
+++ b/Userland/Applications/MailSettings/main.cpp
@@ -28,7 +28,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     auto app_icon = GUI::Icon::default_icon("app-mail");
 
     auto window = TRY(GUI::SettingsWindow::create("Mail Settings", GUI::SettingsWindow::ShowDefaultsButton::Yes));
-    TRY(window->add_tab<MailSettingsWidget>("Mail"));
+    (void)TRY(window->add_tab<MailSettingsWidget>("Mail"));
     window->set_icon(app_icon.bitmap_for_size(16));
 
     window->show();
diff --git a/Userland/Applications/MouseSettings/main.cpp b/Userland/Applications/MouseSettings/main.cpp
index afbb5b5e1de..8d8d91c3087 100644
--- a/Userland/Applications/MouseSettings/main.cpp
+++ b/Userland/Applications/MouseSettings/main.cpp
@@ -26,8 +26,8 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     auto app_icon = GUI::Icon::default_icon("app-mouse");
 
     auto window = TRY(GUI::SettingsWindow::create("Mouse Settings", GUI::SettingsWindow::ShowDefaultsButton::Yes));
-    TRY(window->add_tab<MouseWidget>("Mouse"));
-    TRY(window->add_tab<ThemeWidget>("Cursor Theme"));
+    (void)TRY(window->add_tab<MouseWidget>("Mouse"));
+    (void)TRY(window->add_tab<ThemeWidget>("Cursor Theme"));
     window->set_icon(app_icon.bitmap_for_size(16));
 
     window->show();
diff --git a/Userland/Applications/Terminal/main.cpp b/Userland/Applications/Terminal/main.cpp
index 665527913f8..12e9c154a10 100644
--- a/Userland/Applications/Terminal/main.cpp
+++ b/Userland/Applications/Terminal/main.cpp
@@ -160,11 +160,11 @@ static ErrorOr<NonnullRefPtr<GUI::Window>> create_find_window(VT::TerminalWidget
     auto main_widget = TRY(window->try_set_main_widget<GUI::Widget>());
     main_widget->set_fill_with_background_color(true);
     main_widget->set_background_role(ColorRole::Button);
-    TRY(main_widget->try_set_layout<GUI::VerticalBoxLayout>());
+    (void)TRY(main_widget->try_set_layout<GUI::VerticalBoxLayout>());
     main_widget->layout()->set_margins(4);
 
     auto find = TRY(main_widget->try_add<GUI::Widget>());
-    TRY(find->try_set_layout<GUI::HorizontalBoxLayout>());
+    (void)TRY(find->try_set_layout<GUI::HorizontalBoxLayout>());
     find->layout()->set_margins(4);
     find->set_fixed_height(30);
 
diff --git a/Userland/Applications/TerminalSettings/main.cpp b/Userland/Applications/TerminalSettings/main.cpp
index 520637a243b..1e3d3a5b5f6 100644
--- a/Userland/Applications/TerminalSettings/main.cpp
+++ b/Userland/Applications/TerminalSettings/main.cpp
@@ -28,8 +28,8 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto window = TRY(GUI::SettingsWindow::create("Terminal Settings"));
     window->set_icon(app_icon.bitmap_for_size(16));
-    TRY(window->add_tab<TerminalSettingsMainWidget>("Terminal"));
-    TRY(window->add_tab<TerminalSettingsViewWidget>("View"));
+    (void)TRY(window->add_tab<TerminalSettingsMainWidget>("Terminal"));
+    (void)TRY(window->add_tab<TerminalSettingsViewWidget>("View"));
 
     window->show();
     return app->exec();