diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrPropertyImpl.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrPropertyImpl.kt
index d4faf7e1a07..3b8e6808b58 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrPropertyImpl.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrPropertyImpl.kt
@@ -24,11 +24,9 @@ import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.declarations.impl.carriers.PropertyCarrier
 import org.jetbrains.kotlin.ir.descriptors.WrappedPropertyDescriptor
 import org.jetbrains.kotlin.ir.symbols.IrPropertySymbol
-import org.jetbrains.kotlin.ir.symbols.impl.IrPropertySymbolImpl
 import org.jetbrains.kotlin.ir.visitors.IrElementTransformer
 import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.resolve.descriptorUtil.isEffectivelyExternal
 
 abstract class IrPropertyCommonImpl(
     startOffset: Int,
@@ -126,91 +124,6 @@ class IrPropertyImpl(
     override val isFakeOverride: Boolean = origin == IrDeclarationOrigin.FAKE_OVERRIDE
 ) : IrPropertyCommonImpl(startOffset, endOffset, origin, name, visibility, modality, isVar, isConst, isLateinit, isDelegated, isExternal, isExpect, isFakeOverride) {
 
-    @Deprecated(message = "Don't use descriptor-based API for IrProperty", level = DeprecationLevel.WARNING)
-    constructor(
-        startOffset: Int,
-        endOffset: Int,
-        origin: IrDeclarationOrigin,
-        descriptor: PropertyDescriptor,
-        symbol: IrPropertySymbol = IrPropertySymbolImpl(descriptor),
-        name: Name = descriptor.name,
-        visibility: Visibility = descriptor.visibility,
-        modality: Modality = descriptor.modality,
-        isVar: Boolean = descriptor.isVar,
-        isConst: Boolean = descriptor.isConst,
-        isLateinit: Boolean = descriptor.isLateInit,
-        isDelegated: Boolean = descriptor.isDelegated,
-        isExternal: Boolean = descriptor.isExternal
-    ) : this(
-        startOffset, endOffset, origin,
-        symbol,
-        name, visibility, modality,
-        isVar = isVar,
-        isConst = isConst,
-        isLateinit = isLateinit,
-        isDelegated = isDelegated,
-        isExternal = isExternal,
-        isExpect = descriptor.isExpect
-    )
-
-    @Suppress("DEPRECATION")
-    @Deprecated(message = "Don't use descriptor-based API for IrProperty", level = DeprecationLevel.WARNING)
-    constructor(
-        startOffset: Int,
-        endOffset: Int,
-        origin: IrDeclarationOrigin,
-        isDelegated: Boolean,
-        descriptor: PropertyDescriptor
-    ) : this(
-        startOffset, endOffset, origin, descriptor,
-        name = descriptor.name,
-        visibility = descriptor.visibility,
-        modality = descriptor.modality,
-        isVar = descriptor.isVar,
-        isConst = descriptor.isConst,
-        isLateinit = descriptor.isLateInit,
-        isDelegated = isDelegated,
-        isExternal = descriptor.isEffectivelyExternal()
-    )
-
-    @Suppress("DEPRECATION")
-    @Deprecated(message = "Don't use descriptor-based API for IrProperty", level = DeprecationLevel.WARNING)
-    constructor(
-        startOffset: Int,
-        endOffset: Int,
-        origin: IrDeclarationOrigin,
-        descriptor: PropertyDescriptor
-    ) : this(startOffset, endOffset, origin, descriptor.isDelegated, descriptor)
-
-    @Suppress("DEPRECATION")
-    @Deprecated(message = "Don't use descriptor-based API for IrProperty", level = DeprecationLevel.WARNING)
-    constructor(
-        startOffset: Int,
-        endOffset: Int,
-        origin: IrDeclarationOrigin,
-        isDelegated: Boolean,
-        descriptor: PropertyDescriptor,
-        backingField: IrField?
-    ) : this(startOffset, endOffset, origin, isDelegated, descriptor) {
-        this.backingField = backingField
-    }
-
-    @Suppress("DEPRECATION")
-    @Deprecated(message = "Don't use descriptor-based API for IrProperty", level = DeprecationLevel.WARNING)
-    constructor(
-        startOffset: Int,
-        endOffset: Int,
-        origin: IrDeclarationOrigin,
-        isDelegated: Boolean,
-        descriptor: PropertyDescriptor,
-        backingField: IrField?,
-        getter: IrSimpleFunction?,
-        setter: IrSimpleFunction?
-    ) : this(startOffset, endOffset, origin, isDelegated, descriptor, backingField) {
-        this.getter = getter
-        this.setter = setter
-    }
-
     init {
         symbol.bind(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 9a1177ec682..a7aa4d5f761 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
@@ -232,9 +232,14 @@ interface IrBuilderExtension {
         assert(irPropertySymbol.isBound || declare)
 
         if (declare) {
-            IrPropertyImpl(propertyParent.startOffset, propertyParent.endOffset, SERIALIZABLE_PLUGIN_ORIGIN, propertyDescriptor, irPropertySymbol).also {
-                it.parent = propertyParent
-                propertyParent.addMember(it)
+            with(propertyDescriptor) {
+                IrPropertyImpl(
+                    propertyParent.startOffset, propertyParent.endOffset, SERIALIZABLE_PLUGIN_ORIGIN, irPropertySymbol,
+                    name, visibility, modality, isVar, isConst, isLateInit, isDelegated, isExternal
+                ).also {
+                    it.parent = propertyParent
+                    propertyParent.addMember(it)
+                }
             }
         }
         val irProperty = irPropertySymbol.owner