diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/builder/FirAnnotationBuilder.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/builder/FirAnnotationBuilder.kt
index 6e74c137a03..7ba1ca5964b 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/builder/FirAnnotationBuilder.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/expressions/builder/FirAnnotationBuilder.kt
@@ -63,3 +63,17 @@ inline fun buildAnnotation(init: FirAnnotationBuilder.() -> Unit): FirAnnotation
     }
     return FirAnnotationBuilder().apply(init).build()
 }
+
+@OptIn(ExperimentalContracts::class)
+inline fun buildAnnotationCopy(original: FirAnnotation, init: FirAnnotationBuilder.() -> Unit): FirAnnotation {
+    contract {
+        callsInPlace(init, kotlin.contracts.InvocationKind.EXACTLY_ONCE)
+    }
+    val copyBuilder = FirAnnotationBuilder()
+    copyBuilder.source = original.source
+    copyBuilder.useSiteTarget = original.useSiteTarget
+    copyBuilder.annotationTypeRef = original.annotationTypeRef
+    copyBuilder.argumentMapping = original.argumentMapping
+    copyBuilder.typeArguments.addAll(original.typeArguments)
+    return copyBuilder.apply(init).build()
+}
diff --git a/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/BuilderConfigurator.kt b/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/BuilderConfigurator.kt
index ac12da0e399..501b242fb80 100644
--- a/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/BuilderConfigurator.kt
+++ b/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/BuilderConfigurator.kt
@@ -123,6 +123,10 @@ object BuilderConfigurator : AbstractBuilderConfigurator<FirTreeBuilder>(FirTree
             withCopy()
         }
 
+        builder(annotation) {
+            withCopy()
+        }
+
         builder(annotationCall) {
             parents += callBuilder
             default("argumentList") {