diff --git a/components/script/dom/htmlscriptelement.rs b/components/script/dom/htmlscriptelement.rs
index 1c41d8534e5..12dcf6e4057 100644
--- a/components/script/dom/htmlscriptelement.rs
+++ b/components/script/dom/htmlscriptelement.rs
@@ -1313,6 +1313,10 @@ impl HTMLScriptElement {
                     return Some(ScriptType::Module);
                 }
 
+                if ty.to_ascii_lowercase().trim_matches(HTML_SPACE_CHARACTERS) == "importmap" {
+                    return Some(ScriptType::ImportMap);
+                }
+
                 if SCRIPT_JS_MIMES
                     .contains(&ty.to_ascii_lowercase().trim_matches(HTML_SPACE_CHARACTERS))
                 {
diff --git a/tests/wpt/meta/import-maps/external-import-map-errors.html.ini b/tests/wpt/meta/import-maps/external-import-map-errors.html.ini
deleted file mode 100644
index 77626ddd626..00000000000
--- a/tests/wpt/meta/import-maps/external-import-map-errors.html.ini
+++ /dev/null
@@ -1,10 +0,0 @@
-[external-import-map-errors.html]
-  expected: TIMEOUT
-  [Test that an external import map fires an error event]
-    expected: TIMEOUT
-
-  [Test that an external import map fires an error event, regardless of attribute order]
-    expected: NOTRUN
-
-  [Test that an external import map in markup fires an error event]
-    expected: NOTRUN