diff --git a/packages/tailwindcss-language-service/src/diagnostics/getCssConflictDiagnostics.ts b/packages/tailwindcss-language-service/src/diagnostics/getCssConflictDiagnostics.ts
index 0950e761560f2c94ea69b91fd7b2fbb29ff41aea..a28419d418255845e1979b4bab170982d68fba7e 100644
--- a/packages/tailwindcss-language-service/src/diagnostics/getCssConflictDiagnostics.ts
+++ b/packages/tailwindcss-language-service/src/diagnostics/getCssConflictDiagnostics.ts
@@ -33,10 +33,10 @@   let properties: string[] = []
   rule.walkDecls(({ prop }) => {
     properties.push(prop)
   })
-import { CssConflictDiagnostic, DiagnosticKind } from './types'
+  // if (properties.findIndex((p) => !isCustomProperty(p)) > -1) {
+function isAtRule(node: Node): node is AtRule {
-import { CssConflictDiagnostic, DiagnosticKind } from './types'
 import { joinWithAnd } from '../util/joinWithAnd'
-import { State, Settings } from '../util/state'
+import { getClassNameDecls } from '../util/getClassNameDecls'
 import { joinWithAnd } from '../util/joinWithAnd'
   return properties
 }