diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/evaluate/IrConstTransformer.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/evaluate/IrConstTransformer.kt
index 852231bc22b..a5cf2719276 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/evaluate/IrConstTransformer.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/evaluate/IrConstTransformer.kt
@@ -100,6 +100,6 @@ class IrConstTransformer(private val interpreter: IrInterpreter, private val irF
     private fun IrExpression.convertToConstIfPossible(type: IrType): IrExpression {
         if (this !is IrConst<*> || type is IrErrorType) return this
         if (type.isArray()) return this.convertToConstIfPossible((type as IrSimpleType).arguments.single().typeOrNull!!)
-        return this.value.toIrConst(type, interpreter.irBuiltIns, this.startOffset, this.endOffset)
+        return this.value.toIrConst(type, this.startOffset, this.endOffset)
     }
 }
diff --git a/compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/IrTreeBuildUtils.kt b/compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/IrTreeBuildUtils.kt
index 7dc9bd97aee..e1c20d58e02 100644
--- a/compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/IrTreeBuildUtils.kt
+++ b/compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/IrTreeBuildUtils.kt
@@ -65,15 +65,6 @@ fun Any?.toIrConst(irType: IrType, startOffset: Int = SYNTHETIC_OFFSET, endOffse
     toIrConstOrNull(irType, startOffset, endOffset)
         ?: throw UnsupportedOperationException("Unsupported const element type ${irType.makeNotNull().render()}")
 
-fun Any?.toIrConst(
-    irType: IrType, irBuiltIns: IrBuiltIns,
-    startOffset: Int = SYNTHETIC_OFFSET, endOffset: Int = SYNTHETIC_OFFSET
-): IrConst<*> =
-    toIrConstOrNull(irType, startOffset, endOffset) ?: run {
-        if (irType == irBuiltIns.stringType) IrConstImpl.string(startOffset, endOffset, irType.makeNotNull(), this as String)
-        else throw UnsupportedOperationException("Unsupported const element type ${irType.makeNotNull().render()}")
-    }
-
 internal fun State.toIrExpression(expression: IrExpression): IrExpression {
     val start = expression.startOffset
     val end = expression.endOffset