diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/types/impl/IrErrorClassImpl.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/types/impl/IrErrorClassImpl.kt
index 3b6044b3cd3..f0cf137c924 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/types/impl/IrErrorClassImpl.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/types/impl/IrErrorClassImpl.kt
@@ -5,22 +5,35 @@
 
 package org.jetbrains.kotlin.ir.types.impl
 
-import org.jetbrains.kotlin.descriptors.ClassKind
-import org.jetbrains.kotlin.descriptors.DescriptorVisibilities
-import org.jetbrains.kotlin.descriptors.Modality
-import org.jetbrains.kotlin.descriptors.SourceElement
+import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.ir.IrFileEntry
+import org.jetbrains.kotlin.ir.LineAndColumn
+import org.jetbrains.kotlin.ir.SourceRangeInfo
 import org.jetbrains.kotlin.ir.UNDEFINED_OFFSET
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.declarations.impl.IrFactoryImpl
-import org.jetbrains.kotlin.ir.expressions.IrConstructorCall
-import org.jetbrains.kotlin.ir.symbols.IrFileSymbol
-import org.jetbrains.kotlin.ir.symbols.UnsafeDuringIrConstructionAPI
+import org.jetbrains.kotlin.ir.declarations.impl.IrFileImpl
 import org.jetbrains.kotlin.ir.symbols.impl.IrClassSymbolImpl
+import org.jetbrains.kotlin.ir.symbols.impl.IrFileSymbolImpl
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.utils.addToStdlib.shouldNotBeCalled
 
+private val ErrorFile = IrFileImpl(
+    fileEntry = object : IrFileEntry {
+        override val name: String = "<error-class>"
+        override val maxOffset: Int
+            get() = shouldNotBeCalled()
+
+        override fun getSourceRangeInfo(beginOffset: Int, endOffset: Int): SourceRangeInfo = shouldNotBeCalled()
+        override fun getLineNumber(offset: Int): Int = shouldNotBeCalled()
+        override fun getColumnNumber(offset: Int): Int = shouldNotBeCalled()
+        override fun getLineAndColumnNumbers(offset: Int): LineAndColumn = shouldNotBeCalled()
+    },
+    symbol = IrFileSymbolImpl(),
+    packageFqName = FqName("<error-package>")
+)
+
 val IrErrorClassImpl: IrClass = IrFactoryImpl.createClass(
     startOffset = UNDEFINED_OFFSET,
     endOffset = UNDEFINED_OFFSET,
@@ -34,32 +47,3 @@ val IrErrorClassImpl: IrClass = IrFactoryImpl.createClass(
 ).apply {
     parent = ErrorFile
 }
-
-private object ErrorFile : IrFile() {
-    override val startOffset: Int
-        get() = shouldNotBeCalled()
-    override val endOffset: Int
-        get() = shouldNotBeCalled()
-    override var annotations: List<IrConstructorCall>
-        get() = shouldNotBeCalled()
-        set(_) {}
-
-    @UnsafeDuringIrConstructionAPI
-    override val declarations: MutableList<IrDeclaration>
-        get() = shouldNotBeCalled()
-    override val symbol: IrFileSymbol
-        get() = shouldNotBeCalled()
-    override var module: IrModuleFragment
-        get() = shouldNotBeCalled()
-        set(_) = shouldNotBeCalled()
-    override var fileEntry: IrFileEntry
-        get() = shouldNotBeCalled()
-        set(_) = shouldNotBeCalled()
-    override var metadata: MetadataSource?
-        get() = shouldNotBeCalled()
-        set(_) {}
-
-    override var packageFqName: FqName
-        get() = FqName.ROOT
-        set(_) = shouldNotBeCalled()
-}
\ No newline at end of file