diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrTypeParameterImpl.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrTypeParameterImpl.kt
index 3b0ddddff8c..5f5a8e87c57 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrTypeParameterImpl.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrTypeParameterImpl.kt
@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.ir.declarations.impl
 
 import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor
+import org.jetbrains.kotlin.ir.IrImplementationDetail
 import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
 import org.jetbrains.kotlin.ir.declarations.IrDeclarationOrigin
 import org.jetbrains.kotlin.ir.declarations.IrDeclarationParent
@@ -17,7 +18,10 @@ import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.types.Variance
 
-class IrTypeParameterImpl(
+// IMPORTANT: This class is used in the Compose IDE plugin (platform 233).
+// Don't rename it or change its constructor's signature so as not to break binary compatibility when an older version of
+// the Compose IDE plugin is used with a newer version of the Kotlin IDE plugin that vendors the updated compiler version.
+class IrTypeParameterImpl @IrImplementationDetail constructor(
     override val startOffset: Int,
     override val endOffset: Int,
     override var origin: IrDeclarationOrigin,