diff --git a/Userland/Applications/HexEditor/HexEditor.cpp b/Userland/Applications/HexEditor/HexEditor.cpp
index aac4524507..9d427033df 100644
--- a/Userland/Applications/HexEditor/HexEditor.cpp
+++ b/Userland/Applications/HexEditor/HexEditor.cpp
@@ -626,7 +626,7 @@ void HexEditor::paint_event(GUI::PaintEvent& event)
         };
 
         bool is_current_line = (m_position / bytes_per_row()) == i;
-        auto line = DeprecatedString::formatted("{:#08X}", i * bytes_per_row());
+        auto line = String::formatted("{:#08X}", i * bytes_per_row()).release_value_but_fixme_should_propagate_errors();
         painter.draw_text(
             side_offset_rect,
             line,
@@ -661,7 +661,7 @@ void HexEditor::paint_event(GUI::PaintEvent& event)
             };
 
             u8 const cell_value = m_document->get(byte_position).value;
-            auto line = DeprecatedString::formatted("{:02X}", cell_value);
+            auto line = String::formatted("{:02X}", cell_value).release_value_but_fixme_should_propagate_errors();
 
             Gfx::Color background_color = palette().color(background_role());
             Gfx::Color text_color = [&]() -> Gfx::Color {
@@ -726,7 +726,8 @@ void HexEditor::paint_event(GUI::PaintEvent& event)
             }
 
             painter.fill_rect(text_background_rect, background_color);
-            painter.draw_text(text_display_rect, DeprecatedString::formatted("{:c}", isprint(cell_value) ? cell_value : '.'), Gfx::TextAlignment::TopLeft, text_color);
+            auto character = String::formatted("{:c}", isprint(cell_value) ? cell_value : '.').release_value_but_fixme_should_propagate_errors();
+            painter.draw_text(text_display_rect, character, Gfx::TextAlignment::TopLeft, text_color);
 
             if (m_edit_mode == EditMode::Text) {
                 if (byte_position == m_position && m_cursor_blink_active) {