diff --git a/compiler/fir/dump/src/org/jetbrains/kotlin/fir/dump/HtmlFirDump.kt b/compiler/fir/dump/src/org/jetbrains/kotlin/fir/dump/HtmlFirDump.kt
index 9c94d92fcb7..43d862cdf19 100644
--- a/compiler/fir/dump/src/org/jetbrains/kotlin/fir/dump/HtmlFirDump.kt
+++ b/compiler/fir/dump/src/org/jetbrains/kotlin/fir/dump/HtmlFirDump.kt
@@ -36,7 +36,6 @@ import org.jetbrains.kotlin.fir.symbols.impl.FirClassLikeSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirTypeAliasSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirTypeParameterSymbol
 import org.jetbrains.kotlin.fir.types.*
-import org.jetbrains.kotlin.fir.types.impl.FirTypePlaceholderProjection
 import org.jetbrains.kotlin.fir.visitors.FirVisitorVoid
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.FqName
@@ -873,7 +872,7 @@ class HtmlFirDump internal constructor(private var linkResolver: FirLinkResolver
                 generate(typeProjection.typeRef)
             }
             is FirStarProjection -> +"*"
-            is FirTypePlaceholderProjection -> +"_"
+            is FirPlaceholderProjection -> +"_"
         }
     }
 
diff --git a/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/DeclarationsConverter.kt b/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/DeclarationsConverter.kt
index 788602f544c..306c0f4f0e3 100644
--- a/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/DeclarationsConverter.kt
+++ b/compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/DeclarationsConverter.kt
@@ -2064,7 +2064,9 @@ class DeclarationsConverter(
         //annotations from modifiers must be ignored
         return when {
             isStarProjection -> buildStarProjection { source = typeProjection.toFirSourceElement() }
-            allowedUnderscoredTypeArgument && (firType as? FirUserTypeRef)?.isUnderscored == true -> FirTypePlaceholderProjection
+            allowedUnderscoredTypeArgument && (firType as? FirUserTypeRef)?.isUnderscored == true -> buildPlaceholderProjection {
+                source = typeProjection.toFirSourceElement()
+            }
             else -> buildTypeProjectionWithVariance {
                 source = typeProjection.toFirSourceElement()
                 typeRef = firType
diff --git a/compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt b/compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt
index e5e55f6b6ee..b6a52be1eea 100644
--- a/compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt
+++ b/compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt
@@ -33,7 +33,6 @@ import org.jetbrains.kotlin.fir.types.builder.*
 import org.jetbrains.kotlin.fir.types.impl.ConeClassLikeTypeImpl
 import org.jetbrains.kotlin.fir.types.impl.FirQualifierPartImpl
 import org.jetbrains.kotlin.fir.types.impl.FirTypeArgumentListImpl
-import org.jetbrains.kotlin.fir.types.impl.FirTypePlaceholderProjection
 import org.jetbrains.kotlin.lexer.KtTokens.*
 import org.jetbrains.kotlin.name.CallableId
 import org.jetbrains.kotlin.name.Name
@@ -1785,7 +1784,9 @@ open class RawFirBuilder(
             }
             val typeReference = typeProjection.typeReference
             if (typeReference?.isPlaceholder == true) {
-                return FirTypePlaceholderProjection
+                return buildPlaceholderProjection {
+                    source = projectionSource
+                }
             }
             val firType = typeReference.toFirOrErrorType()
             return buildTypeProjectionWithVariance {
diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/CreateFreshTypeVariableSubstitutorStage.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/CreateFreshTypeVariableSubstitutorStage.kt
index b13d8100dee..acde7528981 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/CreateFreshTypeVariableSubstitutorStage.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/CreateFreshTypeVariableSubstitutorStage.kt
@@ -18,7 +18,6 @@ import org.jetbrains.kotlin.fir.scopes.impl.toConeType
 import org.jetbrains.kotlin.fir.symbols.ConeTypeParameterLookupTag
 import org.jetbrains.kotlin.fir.symbols.ensureResolved
 import org.jetbrains.kotlin.fir.types.*
-import org.jetbrains.kotlin.fir.types.impl.FirTypePlaceholderProjection
 import org.jetbrains.kotlin.name.StandardClassIds
 import org.jetbrains.kotlin.resolve.calls.inference.ConstraintSystemOperation
 import org.jetbrains.kotlin.resolve.calls.inference.model.SimpleConstraintSystemConstraintPosition
@@ -80,7 +79,7 @@ internal object CreateFreshTypeVariableSubstitutorStage : ResolutionStage() {
                         ?: context.session.builtinTypes.nullableAnyType.type,
                     SimpleConstraintSystemConstraintPosition
                 )
-                else -> assert(typeArgument == FirTypePlaceholderProjection) {
+                else -> assert(typeArgument is FirPlaceholderProjection) {
                     "Unexpected typeArgument: ${typeArgument.renderWithType()}"
                 }
             }
diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/TypeArgumentMapping.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/TypeArgumentMapping.kt
index 54acef27b0b..c411aa4e58b 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/TypeArgumentMapping.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/TypeArgumentMapping.kt
@@ -7,18 +7,18 @@ package org.jetbrains.kotlin.fir.resolve.calls
 
 import org.jetbrains.kotlin.fir.declarations.FirTypeParameterRefsOwner
 import org.jetbrains.kotlin.fir.types.FirTypeProjection
-import org.jetbrains.kotlin.fir.types.impl.FirTypePlaceholderProjection
+import org.jetbrains.kotlin.fir.types.builder.buildPlaceholderProjection
 
 sealed class TypeArgumentMapping {
     abstract operator fun get(typeParameterIndex: Int): FirTypeProjection
 
     object NoExplicitArguments : TypeArgumentMapping() {
-        override fun get(typeParameterIndex: Int): FirTypeProjection = FirTypePlaceholderProjection
+        override fun get(typeParameterIndex: Int): FirTypeProjection = buildPlaceholderProjection()
     }
 
     class Mapped(private val ordered: List<FirTypeProjection>) : TypeArgumentMapping() {
         override fun get(typeParameterIndex: Int): FirTypeProjection {
-            return ordered.getOrElse(typeParameterIndex) { FirTypePlaceholderProjection }
+            return ordered.getOrElse(typeParameterIndex) { buildPlaceholderProjection() }
         }
     }
 }
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/FirPlaceholderProjection.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/FirPlaceholderProjection.kt
new file mode 100644
index 00000000000..2ac9c04a34a
--- /dev/null
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/FirPlaceholderProjection.kt
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir.types
+
+import org.jetbrains.kotlin.KtSourceElement
+import org.jetbrains.kotlin.fir.FirElement
+import org.jetbrains.kotlin.fir.visitors.*
+
+/*
+ * This file was generated automatically
+ * DO NOT MODIFY IT MANUALLY
+ */
+
+abstract class FirPlaceholderProjection : FirTypeProjection() {
+    abstract override val source: KtSourceElement?
+
+    override fun <R, D> accept(visitor: FirVisitor<R, D>, data: D): R = visitor.visitPlaceholderProjection(this, data)
+
+    @Suppress("UNCHECKED_CAST")
+    override fun <E: FirElement, D> transform(transformer: FirTransformer<D>, data: D): E = 
+        transformer.transformPlaceholderProjection(this, data) as E
+}
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/builder/FirPlaceholderProjectionBuilder.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/builder/FirPlaceholderProjectionBuilder.kt
new file mode 100644
index 00000000000..27fbcdc56d9
--- /dev/null
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/builder/FirPlaceholderProjectionBuilder.kt
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir.types.builder
+
+import kotlin.contracts.*
+import org.jetbrains.kotlin.KtSourceElement
+import org.jetbrains.kotlin.fir.builder.FirBuilderDsl
+import org.jetbrains.kotlin.fir.types.FirPlaceholderProjection
+import org.jetbrains.kotlin.fir.types.impl.FirPlaceholderProjectionImpl
+import org.jetbrains.kotlin.fir.visitors.*
+
+/*
+ * This file was generated automatically
+ * DO NOT MODIFY IT MANUALLY
+ */
+
+@FirBuilderDsl
+class FirPlaceholderProjectionBuilder {
+    var source: KtSourceElement? = null
+
+    fun build(): FirPlaceholderProjection {
+        return FirPlaceholderProjectionImpl(
+            source,
+        )
+    }
+
+}
+
+@OptIn(ExperimentalContracts::class)
+inline fun buildPlaceholderProjection(init: FirPlaceholderProjectionBuilder.() -> Unit = {}): FirPlaceholderProjection {
+    contract {
+        callsInPlace(init, kotlin.contracts.InvocationKind.EXACTLY_ONCE)
+    }
+    return FirPlaceholderProjectionBuilder().apply(init).build()
+}
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/impl/FirTypePlaceholderProjection.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/impl/FirPlaceholderProjectionImpl.kt
similarity index 68%
rename from compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/impl/FirTypePlaceholderProjection.kt
rename to compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/impl/FirPlaceholderProjectionImpl.kt
index a3f9ebe3410..a7c503dfa1b 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/impl/FirTypePlaceholderProjection.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/types/impl/FirPlaceholderProjectionImpl.kt
@@ -6,8 +6,7 @@
 package org.jetbrains.kotlin.fir.types.impl
 
 import org.jetbrains.kotlin.KtSourceElement
-import org.jetbrains.kotlin.fir.FirImplementationDetail
-import org.jetbrains.kotlin.fir.types.FirTypeProjection
+import org.jetbrains.kotlin.fir.types.FirPlaceholderProjection
 import org.jetbrains.kotlin.fir.visitors.*
 
 /*
@@ -15,12 +14,12 @@ import org.jetbrains.kotlin.fir.visitors.*
  * DO NOT MODIFY IT MANUALLY
  */
 
-object FirTypePlaceholderProjection : FirTypeProjection() {
-    override val source: KtSourceElement? get() = null
-
+internal class FirPlaceholderProjectionImpl(
+    override val source: KtSourceElement?,
+) : FirPlaceholderProjection() {
     override fun <R, D> acceptChildren(visitor: FirVisitor<R, D>, data: D) {}
 
-    override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirTypePlaceholderProjection {
+    override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirPlaceholderProjectionImpl {
         return this
     }
 }
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitor.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitor.kt
index 92b93e92532..cee073e1885 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitor.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitor.kt
@@ -66,6 +66,7 @@ import org.jetbrains.kotlin.fir.expressions.FirTryExpression
 import org.jetbrains.kotlin.fir.expressions.FirConstExpression
 import org.jetbrains.kotlin.fir.types.FirTypeProjection
 import org.jetbrains.kotlin.fir.types.FirStarProjection
+import org.jetbrains.kotlin.fir.types.FirPlaceholderProjection
 import org.jetbrains.kotlin.fir.types.FirTypeProjectionWithVariance
 import org.jetbrains.kotlin.fir.expressions.FirArgumentList
 import org.jetbrains.kotlin.fir.expressions.FirCall
@@ -191,6 +192,8 @@ abstract class FirDefaultVisitor<out R, in D> : FirVisitor<R, D>() {
 
     override fun visitStarProjection(starProjection: FirStarProjection, data: D): R  = visitTypeProjection(starProjection, data)
 
+    override fun visitPlaceholderProjection(placeholderProjection: FirPlaceholderProjection, data: D): R  = visitTypeProjection(placeholderProjection, data)
+
     override fun visitTypeProjectionWithVariance(typeProjectionWithVariance: FirTypeProjectionWithVariance, data: D): R  = visitTypeProjection(typeProjectionWithVariance, data)
 
     override fun visitCall(call: FirCall, data: D): R  = visitStatement(call, data)
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitorVoid.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitorVoid.kt
index 743fac567e6..71ef15f2def 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitorVoid.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirDefaultVisitorVoid.kt
@@ -66,6 +66,7 @@ import org.jetbrains.kotlin.fir.expressions.FirTryExpression
 import org.jetbrains.kotlin.fir.expressions.FirConstExpression
 import org.jetbrains.kotlin.fir.types.FirTypeProjection
 import org.jetbrains.kotlin.fir.types.FirStarProjection
+import org.jetbrains.kotlin.fir.types.FirPlaceholderProjection
 import org.jetbrains.kotlin.fir.types.FirTypeProjectionWithVariance
 import org.jetbrains.kotlin.fir.expressions.FirArgumentList
 import org.jetbrains.kotlin.fir.expressions.FirCall
@@ -191,6 +192,8 @@ abstract class FirDefaultVisitorVoid : FirVisitorVoid() {
 
     override fun visitStarProjection(starProjection: FirStarProjection)  = visitTypeProjection(starProjection)
 
+    override fun visitPlaceholderProjection(placeholderProjection: FirPlaceholderProjection)  = visitTypeProjection(placeholderProjection)
+
     override fun visitTypeProjectionWithVariance(typeProjectionWithVariance: FirTypeProjectionWithVariance)  = visitTypeProjection(typeProjectionWithVariance)
 
     override fun visitCall(call: FirCall)  = visitStatement(call)
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirTransformer.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirTransformer.kt
index d3567035d4a..3430a1a0fdd 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirTransformer.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirTransformer.kt
@@ -66,6 +66,7 @@ import org.jetbrains.kotlin.fir.expressions.FirTryExpression
 import org.jetbrains.kotlin.fir.expressions.FirConstExpression
 import org.jetbrains.kotlin.fir.types.FirTypeProjection
 import org.jetbrains.kotlin.fir.types.FirStarProjection
+import org.jetbrains.kotlin.fir.types.FirPlaceholderProjection
 import org.jetbrains.kotlin.fir.types.FirTypeProjectionWithVariance
 import org.jetbrains.kotlin.fir.expressions.FirArgumentList
 import org.jetbrains.kotlin.fir.expressions.FirCall
@@ -386,6 +387,10 @@ abstract class FirTransformer<in D> : FirVisitor<FirElement, D>() {
         return transformElement(starProjection, data)
     }
 
+    open fun transformPlaceholderProjection(placeholderProjection: FirPlaceholderProjection, data: D): FirTypeProjection {
+        return transformElement(placeholderProjection, data)
+    }
+
     open fun transformTypeProjectionWithVariance(typeProjectionWithVariance: FirTypeProjectionWithVariance, data: D): FirTypeProjection {
         return transformElement(typeProjectionWithVariance, data)
     }
@@ -910,6 +915,10 @@ abstract class FirTransformer<in D> : FirVisitor<FirElement, D>() {
         return transformStarProjection(starProjection, data)
     }
 
+    final override fun visitPlaceholderProjection(placeholderProjection: FirPlaceholderProjection, data: D): FirTypeProjection {
+        return transformPlaceholderProjection(placeholderProjection, data)
+    }
+
     final override fun visitTypeProjectionWithVariance(typeProjectionWithVariance: FirTypeProjectionWithVariance, data: D): FirTypeProjection {
         return transformTypeProjectionWithVariance(typeProjectionWithVariance, data)
     }
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitor.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitor.kt
index d7056dbf314..c5ed2fff817 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitor.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitor.kt
@@ -66,6 +66,7 @@ import org.jetbrains.kotlin.fir.expressions.FirTryExpression
 import org.jetbrains.kotlin.fir.expressions.FirConstExpression
 import org.jetbrains.kotlin.fir.types.FirTypeProjection
 import org.jetbrains.kotlin.fir.types.FirStarProjection
+import org.jetbrains.kotlin.fir.types.FirPlaceholderProjection
 import org.jetbrains.kotlin.fir.types.FirTypeProjectionWithVariance
 import org.jetbrains.kotlin.fir.expressions.FirArgumentList
 import org.jetbrains.kotlin.fir.expressions.FirCall
@@ -265,6 +266,8 @@ abstract class FirVisitor<out R, in D> {
 
     open fun visitStarProjection(starProjection: FirStarProjection, data: D): R  = visitElement(starProjection, data)
 
+    open fun visitPlaceholderProjection(placeholderProjection: FirPlaceholderProjection, data: D): R  = visitElement(placeholderProjection, data)
+
     open fun visitTypeProjectionWithVariance(typeProjectionWithVariance: FirTypeProjectionWithVariance, data: D): R  = visitElement(typeProjectionWithVariance, data)
 
     open fun visitArgumentList(argumentList: FirArgumentList, data: D): R  = visitElement(argumentList, data)
diff --git a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitorVoid.kt b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitorVoid.kt
index a26e5d7d801..45091afb7c8 100644
--- a/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitorVoid.kt
+++ b/compiler/fir/tree/gen/org/jetbrains/kotlin/fir/visitors/FirVisitorVoid.kt
@@ -66,6 +66,7 @@ import org.jetbrains.kotlin.fir.expressions.FirTryExpression
 import org.jetbrains.kotlin.fir.expressions.FirConstExpression
 import org.jetbrains.kotlin.fir.types.FirTypeProjection
 import org.jetbrains.kotlin.fir.types.FirStarProjection
+import org.jetbrains.kotlin.fir.types.FirPlaceholderProjection
 import org.jetbrains.kotlin.fir.types.FirTypeProjectionWithVariance
 import org.jetbrains.kotlin.fir.expressions.FirArgumentList
 import org.jetbrains.kotlin.fir.expressions.FirCall
@@ -385,6 +386,10 @@ abstract class FirVisitorVoid : FirVisitor<Unit, Nothing?>() {
         visitElement(starProjection)
     }
 
+    open fun visitPlaceholderProjection(placeholderProjection: FirPlaceholderProjection) {
+        visitElement(placeholderProjection)
+    }
+
     open fun visitTypeProjectionWithVariance(typeProjectionWithVariance: FirTypeProjectionWithVariance) {
         visitElement(typeProjectionWithVariance)
     }
@@ -909,6 +914,10 @@ abstract class FirVisitorVoid : FirVisitor<Unit, Nothing?>() {
         visitStarProjection(starProjection)
     }
 
+    final override fun visitPlaceholderProjection(placeholderProjection: FirPlaceholderProjection, data: Nothing?) {
+        visitPlaceholderProjection(placeholderProjection)
+    }
+
     final override fun visitTypeProjectionWithVariance(typeProjectionWithVariance: FirTypeProjectionWithVariance, data: Nothing?) {
         visitTypeProjectionWithVariance(typeProjectionWithVariance)
     }
diff --git a/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/FirTreeBuilder.kt b/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/FirTreeBuilder.kt
index 6daea0bedf9..3ff1d4362ff 100644
--- a/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/FirTreeBuilder.kt
+++ b/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/FirTreeBuilder.kt
@@ -85,6 +85,7 @@ object FirTreeBuilder : AbstractFirTreeBuilder() {
     val constExpression by element(Expression, expression)
     val typeProjection by element(TypeRef)
     val starProjection by element(TypeRef, typeProjection)
+    val placeholderProjection by element(TypeRef, typeProjection)
     val typeProjectionWithVariance by element(TypeRef, typeProjection)
     val argumentList by element(Expression)
     val call by sealedElement(Expression, statement) // TODO: may smth like `CallWithArguments` or `ElementWithArguments`?
diff --git a/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt b/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt
index f16ca484c8a..51fbf9b8063 100644
--- a/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt
+++ b/compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt
@@ -453,11 +453,6 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
             default("name", "Name.special(\"<\${diagnostic.reason}>\")")
         }
 
-        impl(typeProjection, "FirTypePlaceholderProjection") {
-            kind = Object
-            noSource()
-        }
-
         impl(breakExpression) {
             defaultTypeRefWithSource("FirImplicitNothingTypeRef")
             useTypes(implicitNothingTypeRefType)