diff --git a/transpiler/java/com/google/j2cl/transpiler/frontend/kotlin/KotlinEnvironment.kt b/transpiler/java/com/google/j2cl/transpiler/frontend/kotlin/KotlinEnvironment.kt
index 960bb3db7c..c648633f29 100644
--- a/transpiler/java/com/google/j2cl/transpiler/frontend/kotlin/KotlinEnvironment.kt
+++ b/transpiler/java/com/google/j2cl/transpiler/frontend/kotlin/KotlinEnvironment.kt
@@ -62,7 +62,6 @@ import com.google.j2cl.transpiler.frontend.kotlin.ir.isJsOptional
 import com.google.j2cl.transpiler.frontend.kotlin.ir.isJsType
 import com.google.j2cl.transpiler.frontend.kotlin.ir.isNativeJsField
 import com.google.j2cl.transpiler.frontend.kotlin.ir.isUncheckedCast
-import com.google.j2cl.transpiler.frontend.kotlin.ir.j2clIsAnnotation
 import com.google.j2cl.transpiler.frontend.kotlin.ir.j2clKind
 import com.google.j2cl.transpiler.frontend.kotlin.ir.j2clVisibility
 import com.google.j2cl.transpiler.frontend.kotlin.ir.javaName
@@ -109,6 +108,7 @@ import org.jetbrains.kotlin.ir.util.defaultType
 import org.jetbrains.kotlin.ir.util.dump
 import org.jetbrains.kotlin.ir.util.file
 import org.jetbrains.kotlin.ir.util.hasAnnotation
+import org.jetbrains.kotlin.ir.util.isAnnotationClass
 import org.jetbrains.kotlin.ir.util.isAnonymousObject
 import org.jetbrains.kotlin.ir.util.isFakeOverride
 import org.jetbrains.kotlin.ir.util.isFromJava
@@ -203,7 +203,7 @@ class KotlinEnvironment(
       TypeDeclaration.newBuilder()
         .setClassComponents(irClass.getClassComponents())
         .setKind(irClass.j2clKind)
-        .setAnnotation(irClass.j2clIsAnnotation)
+        .setAnnotation(irClass.isAnnotationClass)
         .setSourceLanguage(if (irClass.isFromJava()) JAVA else KOTLIN)
         .setOriginalSimpleSourceName(irClass.simpleSourceName)
         .setPackage(createPackageDeclaration(irClass.packageFqName!!.asString()))
diff --git a/transpiler/java/com/google/j2cl/transpiler/frontend/kotlin/ir/IrUtils.kt b/transpiler/java/com/google/j2cl/transpiler/frontend/kotlin/ir/IrUtils.kt
index e874fdc165..795f93ed99 100644
--- a/transpiler/java/com/google/j2cl/transpiler/frontend/kotlin/ir/IrUtils.kt
+++ b/transpiler/java/com/google/j2cl/transpiler/frontend/kotlin/ir/IrUtils.kt
@@ -149,9 +149,6 @@ val IrClass.j2clKind: Kind
       ClassKind.ENUM_CLASS -> Kind.ENUM
     }
 
-val IrClass.j2clIsAnnotation: Boolean
-  get() = kind == ClassKind.ANNOTATION_CLASS
-
 val IrDeclarationWithVisibility.j2clVisibility: Visibility
   get() =
     when (visibility.delegate) {