diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/ProtoCompareGenerated.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/ProtoCompareGenerated.kt
index 94e72b18f13..d8c1a262027 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/ProtoCompareGenerated.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/ProtoCompareGenerated.kt
@@ -141,8 +141,6 @@ open class ProtoCompareGenerated(private val oldNameResolver: NameResolver, priv
     }
 
     open fun checkEquals(old: ProtoBuf.Type, new: ProtoBuf.Type): Boolean {
-        if (!checkEquals(old.constructor, new.constructor)) return false
-
         if (!checkEqualsTypeArgument(old, new)) return false
 
         if (old.hasNullable() != new.hasNullable()) return false
@@ -259,10 +257,6 @@ open class ProtoCompareGenerated(private val oldNameResolver: NameResolver, priv
         return true
     }
 
-    open fun checkEquals(old: ProtoBuf.Type.Constructor, new: ProtoBuf.Type.Constructor): Boolean {
-        return true
-    }
-
     open fun checkEquals(old: ProtoBuf.Type.Argument, new: ProtoBuf.Type.Argument): Boolean {
         if (old.hasProjection() != new.hasProjection()) return false
         if (old.hasProjection()) {