diff --git a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/StandaloneDeclarationGenerator.kt b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/StandaloneDeclarationGenerator.kt
index 591ca8dd2ff..113162bf534 100644
--- a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/StandaloneDeclarationGenerator.kt
+++ b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/StandaloneDeclarationGenerator.kt
@@ -176,7 +176,12 @@ class StandaloneDeclarationGenerator(private val context: GeneratorContext) {
         startOffset: Int, endOffset: Int, origin: IrDeclarationOrigin, descriptor: FunctionDescriptor, symbol: IrSimpleFunctionSymbol,
         defaultArgumentFactory: IrFunction.(IrValueParameter) -> IrExpressionBody? = { null }
     ): IrSimpleFunction {
-        val irFunction = IrFunctionImpl(startOffset, endOffset, origin, symbol, IrUninitializedType, descriptor)
+        val irFunction = with(descriptor) {
+            IrFunctionImpl(
+                startOffset, endOffset, origin, symbol, name, visibility, modality, IrUninitializedType,
+                isInline, isExternal, isTailrec, isSuspend, isOperator, isExpect
+            )
+        }
         irFunction.metadata = MetadataSource.Function(descriptor)
 
         symbolTable.withScope(descriptor) {
@@ -207,4 +212,4 @@ class StandaloneDeclarationGenerator(private val context: GeneratorContext) {
 
         return irProperty
     }
-}
\ No newline at end of file
+}
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrFunctionImpl.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrFunctionImpl.kt
index db9dcb7b693..8dbd5e991d3 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrFunctionImpl.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrFunctionImpl.kt
@@ -9,12 +9,13 @@ import org.jetbrains.kotlin.descriptors.FunctionDescriptor
 import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.descriptors.Visibility
 import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
-import org.jetbrains.kotlin.ir.declarations.*
+import org.jetbrains.kotlin.ir.declarations.IrAttributeContainer
+import org.jetbrains.kotlin.ir.declarations.IrDeclarationOrigin
+import org.jetbrains.kotlin.ir.declarations.IrSimpleFunction
 import org.jetbrains.kotlin.ir.declarations.impl.carriers.FunctionCarrier
 import org.jetbrains.kotlin.ir.descriptors.WrappedSimpleFunctionDescriptor
 import org.jetbrains.kotlin.ir.symbols.IrPropertySymbol
 import org.jetbrains.kotlin.ir.symbols.IrSimpleFunctionSymbol
-import org.jetbrains.kotlin.ir.symbols.impl.IrSimpleFunctionSymbolImpl
 import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
 import org.jetbrains.kotlin.name.Name
@@ -95,40 +96,6 @@ class IrFunctionImpl(
 ) : IrFunctionCommonImpl(startOffset, endOffset, origin, name, visibility, modality, returnType, isInline,
     isExternal, isTailrec, isSuspend, isOperator, isExpect, isFakeOverride) {
 
-    constructor(
-        startOffset: Int,
-        endOffset: Int,
-        origin: IrDeclarationOrigin,
-        symbol: IrSimpleFunctionSymbol,
-        returnType: IrType,
-        descriptor: FunctionDescriptor,
-        name: Name = descriptor.name
-    ) : this(
-        startOffset, endOffset, origin, symbol,
-        name = name,
-        visibility = descriptor.visibility,
-        modality = descriptor.modality,
-        returnType = returnType,
-        isInline = descriptor.isInline,
-        isExternal = descriptor.isExternal,
-        isTailrec = descriptor.isTailrec,
-        isSuspend = descriptor.isSuspend,
-        isOperator = descriptor.isOperator,
-        isExpect = descriptor.isExpect
-    )
-
-    // Used by kotlin-native in InteropLowering.kt and IrUtils2.kt
-    constructor(
-        startOffset: Int,
-        endOffset: Int,
-        origin: IrDeclarationOrigin,
-        descriptor: FunctionDescriptor,
-        returnType: IrType
-    ) : this(
-        startOffset, endOffset, origin,
-        IrSimpleFunctionSymbolImpl(descriptor), returnType, descriptor
-    )
-
     @ObsoleteDescriptorBasedAPI
     override val descriptor: FunctionDescriptor get() = symbol.descriptor
 
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/overrides.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/overrides.kt
index d8ed9c45005..b20e99da1ca 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/overrides.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/overrides.kt
@@ -6,14 +6,11 @@
 package org.jetbrains.kotlin.ir.util
 
 import org.jetbrains.kotlin.descriptors.FunctionDescriptor
-import org.jetbrains.kotlin.descriptors.PropertyDescriptor
 import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
 import org.jetbrains.kotlin.ir.declarations.IrDeclarationOrigin
-import org.jetbrains.kotlin.ir.declarations.IrField
 import org.jetbrains.kotlin.ir.declarations.IrSimpleFunction
 import org.jetbrains.kotlin.ir.declarations.MetadataSource
 import org.jetbrains.kotlin.ir.declarations.impl.IrFunctionImpl
-import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.types.impl.IrUninitializedType
 
 @ObsoleteDescriptorBasedAPI
@@ -24,13 +21,13 @@ fun SymbolTable.declareSimpleFunctionWithOverrides(
     descriptor: FunctionDescriptor
 ) =
     declareSimpleFunction(descriptor) {
-        IrFunctionImpl(
-            startOffset, endOffset, origin, it,
-            returnType = IrUninitializedType,
-            descriptor = descriptor,
-            name = nameProvider.nameForDeclaration(descriptor),
-        ).apply {
-            metadata = MetadataSource.Function(descriptor)
+        with(descriptor) {
+            IrFunctionImpl(
+                startOffset, endOffset, origin, it, nameProvider.nameForDeclaration(this),
+                visibility, modality, IrUninitializedType, isInline, isExternal, isTailrec, isSuspend, isOperator, isExpect
+            ).also { declaration ->
+                declaration.metadata = MetadataSource.Function(this)
+            }
         }
     }.also { declaration ->
         generateOverriddenFunctionSymbols(declaration, this)
diff --git a/plugins/kotlin-serialization/kotlin-serialization-compiler/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/GeneratorHelpers.kt b/plugins/kotlin-serialization/kotlin-serialization-compiler/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/GeneratorHelpers.kt
index 9c847aadcaa..e86207b2b07 100644
--- a/plugins/kotlin-serialization/kotlin-serialization-compiler/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/GeneratorHelpers.kt
+++ b/plugins/kotlin-serialization/kotlin-serialization-compiler/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/GeneratorHelpers.kt
@@ -281,14 +281,12 @@ interface IrBuilderExtension {
         assert(symbol.isBound || declare)
 
         if (declare) {
-            IrFunctionImpl(
-                fieldSymbol.owner.startOffset,
-                fieldSymbol.owner.endOffset,
-                SERIALIZABLE_PLUGIN_ORIGIN,
-                symbol,
-                descriptor.returnType!!.toIrType(),
-                descriptor
-            ).also { f ->
+            with(descriptor) {
+                IrFunctionImpl(
+                    fieldSymbol.owner.startOffset, fieldSymbol.owner.endOffset, SERIALIZABLE_PLUGIN_ORIGIN, symbol,
+                    name, visibility, modality, returnType!!.toIrType(), isInline, isExternal, isTailrec, isSuspend, isOperator, isExpect
+                )
+            }.also { f ->
                 generateOverriddenFunctionSymbols(f, compilerContext.symbolTable)
                 f.createParameterDeclarations(receiver = null)
                 f.returnType = descriptor.returnType!!.toIrType()