diff --git a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirInlineClassDeclarationChecker.kt b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirInlineClassDeclarationChecker.kt
index fb9f4816fe5..f47ebfe6797 100644
--- a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirInlineClassDeclarationChecker.kt
+++ b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirInlineClassDeclarationChecker.kt
@@ -7,6 +7,7 @@ package org.jetbrains.kotlin.fir.analysis.checkers.declaration
 
 import org.jetbrains.kotlin.KtFakeSourceElementKind
 import org.jetbrains.kotlin.KtRealSourceElementKind
+import org.jetbrains.kotlin.config.LanguageFeature
 import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.diagnostics.DiagnosticReporter
 import org.jetbrains.kotlin.diagnostics.reportOn
@@ -17,6 +18,8 @@ import org.jetbrains.kotlin.fir.analysis.checkers.toRegularClassSymbol
 import org.jetbrains.kotlin.fir.analysis.diagnostics.*
 import org.jetbrains.kotlin.fir.declarations.*
 import org.jetbrains.kotlin.fir.declarations.utils.*
+import org.jetbrains.kotlin.fir.expressions.toResolvedCallableReference
+import org.jetbrains.kotlin.fir.expressions.toResolvedCallableSymbol
 import org.jetbrains.kotlin.fir.resolve.fullyExpandedType
 import org.jetbrains.kotlin.fir.resolve.lookupSuperTypes
 import org.jetbrains.kotlin.fir.symbols.impl.FirConstructorSymbol
@@ -95,6 +98,12 @@ object FirInlineClassDeclarationChecker : FirRegularClassChecker() {
                 }
                 is FirField -> {
                     if (innerDeclaration.isSynthetic) {
+                        val symbol = innerDeclaration.initializer?.toResolvedCallableSymbol()
+                        if (context.languageVersionSettings.supportsFeature(LanguageFeature.InlineClassImplementationByDelegation) &&
+                            symbol != null && symbol == primaryConstructorParameter?.symbol
+                        ) {
+                            continue
+                        }
                         val delegatedTypeRefSource = (innerDeclaration.returnTypeRef as FirResolvedTypeRef).delegatedTypeRef?.source
                         withSuppressedDiagnostics(innerDeclaration, context) { context ->
                             reporter.reportOn(
diff --git a/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/default.kt b/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/default.kt
index 6fba5219962..9507a9dea3a 100644
--- a/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/default.kt
+++ b/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/default.kt
@@ -1,7 +1,6 @@
 // WITH_STDLIB
 // IGNORE_LIGHT_ANALYSIS
 // IGNORE_BACKEND: JVM
-// IGNORE_BACKEND_FIR: JVM_IR
 // LANGUAGE: +InlineClassImplementationByDelegation
 
 interface I {
diff --git a/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/defaultArgument.kt b/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/defaultArgument.kt
index 0786aa24ba2..9f94a9a50fc 100644
--- a/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/defaultArgument.kt
+++ b/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/defaultArgument.kt
@@ -1,7 +1,6 @@
 // WITH_STDLIB
 // IGNORE_LIGHT_ANALYSIS
 // IGNORE_BACKEND: JVM
-// IGNORE_BACKEND_FIR: JVM_IR
 // LANGUAGE: +InlineClassImplementationByDelegation
 
 interface I {
diff --git a/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/simple.kt b/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/simple.kt
index 55639b8cd0d..551bcf53c4f 100644
--- a/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/simple.kt
+++ b/compiler/testData/codegen/box/inlineClasses/delegationByUnderlyingType/simple.kt
@@ -1,7 +1,6 @@
 // WITH_STDLIB
 // IGNORE_LIGHT_ANALYSIS
 // IGNORE_BACKEND: JVM
-// IGNORE_BACKEND_FIR: JVM_IR
 // LANGUAGE: +InlineClassImplementationByDelegation
 
 interface I {
diff --git a/compiler/testData/diagnostics/tests/inlineClasses/inlineClassCanImplementInterfaceByDelegation.fir.kt b/compiler/testData/diagnostics/tests/inlineClasses/inlineClassCanImplementInterfaceByDelegation.fir.kt
index 626aefbf6f7..7d9a7525a89 100644
--- a/compiler/testData/diagnostics/tests/inlineClasses/inlineClassCanImplementInterfaceByDelegation.fir.kt
+++ b/compiler/testData/diagnostics/tests/inlineClasses/inlineClassCanImplementInterfaceByDelegation.fir.kt
@@ -9,10 +9,10 @@ class CFoo : IFoo
 
 val c = CFoo()
 
-inline class Test1(val x: Any) : <!VALUE_CLASS_CANNOT_IMPLEMENT_INTERFACE_BY_DELEGATION!>IFoo by FooImpl<!>
+inline class Test1(val x: Any) : <!VALUE_CLASS_CANNOT_IMPLEMENT_INTERFACE_BY_DELEGATION!>IFoo<!> by FooImpl
 
-inline class Test2(val x: IFoo) : <!VALUE_CLASS_CANNOT_IMPLEMENT_INTERFACE_BY_DELEGATION!>IFoo by x<!>
+inline class Test2(val x: IFoo) : IFoo by x
 
-inline class Test3(val x: IFoo) : <!VALUE_CLASS_CANNOT_IMPLEMENT_INTERFACE_BY_DELEGATION!>IFoo by CFoo()<!>
+inline class Test3(val x: IFoo) : <!VALUE_CLASS_CANNOT_IMPLEMENT_INTERFACE_BY_DELEGATION!>IFoo<!> by CFoo()
 
-inline class Test4(val x: IFoo) : <!VALUE_CLASS_CANNOT_IMPLEMENT_INTERFACE_BY_DELEGATION!>IFoo by c<!>
+inline class Test4(val x: IFoo) : <!VALUE_CLASS_CANNOT_IMPLEMENT_INTERFACE_BY_DELEGATION!>IFoo<!> by c