diff --git a/packages/tailwindcss-language-service/src/util/find.ts b/packages/tailwindcss-language-service/src/util/find.ts
index b0a4196195b9ffc81ec093c325319bb1933704e1..299f777cd3952b8bbe3e3d0b4c239e354101d340 100644
--- a/packages/tailwindcss-language-service/src/util/find.ts
+++ b/packages/tailwindcss-language-service/src/util/find.ts
@@ -11,7 +11,6 @@ import { getLanguageBoundaries } from './getLanguageBoundaries'
 import { resolveRange } from './resolveRange'
 import dlv from 'dlv'
 import { createMultiRegexp } from './createMultiRegexp'
-import { rangesEqual } from './rangesEqual'
 
 export function findAll(re: RegExp, str: string): RegExpMatchArray[] {
   let match: RegExpMatchArray
@@ -278,13 +277,6 @@
   return result
 }
 
-function dedupeClassLists(classLists: DocumentClassList[]): DocumentClassList[] {
-  return classLists.filter(
-    (classList, classListIndex) =>
-      classListIndex === classLists.findIndex((c) => rangesEqual(c.range, classList.range))
-  )
-}
-
 export async function findClassListsInRange(
   state: State,
   doc: TextDocument,
@@ -298,10 +290,7 @@     classLists = findClassListsInCssRange(doc, range)
   } else {
     classLists = await findClassListsInHtmlRange(state, doc, range)
   }
-  return dedupeClassLists([
-    ...classLists,
-    ...(includeCustom ? await findCustomClassLists(state, doc, range) : []),
-  ])
+  return [...classLists, ...(includeCustom ? await findCustomClassLists(state, doc, range) : [])]
 }
 
 export async function findClassListsInDocument(
@@ -315,19 +304,17 @@
   let boundaries = getLanguageBoundaries(state, doc)
   if (!boundaries) return []
 
-  return dedupeClassLists(
-    flatten([
-      ...(await Promise.all(
-        boundaries
-          .filter((b) => b.type === 'html' || b.type === 'jsx')
-          .map(({ range }) => findClassListsInHtmlRange(state, doc, range))
-      )),
-      ...boundaries
-        .filter((b) => b.type === 'css')
-        .map(({ range }) => findClassListsInCssRange(doc, range)),
-      await findCustomClassLists(state, doc),
-    ])
-  )
+  return flatten([
+    ...(await Promise.all(
+      boundaries
+        .filter((b) => b.type === 'html' || b.type === 'jsx')
+        .map(({ range }) => findClassListsInHtmlRange(state, doc, range))
+    )),
+    ...boundaries
+      .filter((b) => b.type === 'css')
+      .map(({ range }) => findClassListsInCssRange(doc, range)),
+    await findCustomClassLists(state, doc),
+  ])
 }
 
 export function findHelperFunctionsInDocument(
diff --git a/packages/tailwindcss-language-service/src/util/rangesEqual.ts b/packages/tailwindcss-language-service/src/util/rangesEqual.ts
index 0d9665521a801356c3689a4882bc182b3bd4f7da..220cebd50e242933d666ee7581d68e4030dd321b 100644
--- a/packages/tailwindcss-language-service/src/util/rangesEqual.ts
+++ b/packages/tailwindcss-language-service/src/util/rangesEqual.ts
@@ -1,4 +1,4 @@
-import type { Range } from 'vscode-languageserver'
+import { Range } from 'vscode-languageserver'
 
 export function rangesEqual(a: Range, b: Range): boolean {
   return (