diff --git a/Userland/Libraries/LibWeb/CSS/ComputedValues.h b/Userland/Libraries/LibWeb/CSS/ComputedValues.h
index 6221428ea3..930fe8232f 100644
--- a/Userland/Libraries/LibWeb/CSS/ComputedValues.h
+++ b/Userland/Libraries/LibWeb/CSS/ComputedValues.h
@@ -133,8 +133,8 @@ struct ContentData {
     } type { Type::Normal };
 
     // FIXME: Data is a list of identifiers, strings and image values.
-    DeprecatedString data {};
-    DeprecatedString alt_text {};
+    String data {};
+    String alt_text {};
 };
 
 struct BorderRadiusData {
diff --git a/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp b/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
index d08b983af8..a8785b6e1c 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
@@ -494,7 +494,7 @@ CSS::ContentData StyleProperties::content() const
             }
         }
         content_data.type = ContentData::Type::String;
-        content_data.data = builder.to_deprecated_string();
+        content_data.data = builder.to_string().release_value_but_fixme_should_propagate_errors();
 
         if (content_style_value.has_alt_text()) {
             StringBuilder alt_text_builder;
@@ -505,7 +505,7 @@ CSS::ContentData StyleProperties::content() const
                     // TODO: Implement counters
                 }
             }
-            content_data.alt_text = alt_text_builder.to_deprecated_string();
+            content_data.alt_text = alt_text_builder.to_string().release_value_but_fixme_should_propagate_errors();
         }
 
         return content_data;
diff --git a/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp b/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp
index 87784458f6..e993151760 100644
--- a/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp
+++ b/Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp
@@ -171,7 +171,7 @@ ErrorOr<void> TreeBuilder::create_pseudo_element_if_needed(DOM::Element& element
     pseudo_element_node->set_generated(true);
     // FIXME: Handle images, and multiple values
     if (pseudo_element_content.type == CSS::ContentData::Type::String) {
-        auto text = document.heap().allocate<DOM::Text>(document.realm(), document, pseudo_element_content.data).release_allocated_value_but_fixme_should_propagate_errors();
+        auto text = document.heap().allocate<DOM::Text>(document.realm(), document, pseudo_element_content.data.to_deprecated_string()).release_allocated_value_but_fixme_should_propagate_errors();
         auto text_node = document.heap().allocate_without_realm<Layout::TextNode>(document, *text);
         text_node->set_generated(true);
         push_parent(verify_cast<NodeWithStyle>(*pseudo_element_node));