diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanSerializerExtension.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanSerializerExtension.kt
index a87f160bf6e..fd8686366b6 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanSerializerExtension.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanSerializerExtension.kt
@@ -33,15 +33,6 @@ internal class KonanSerializerExtension(val context: Context, override val metad
         return index?.let { newKonanDescriptorUniqId(it) }
     }
 
-    override fun serializeType(type: KotlinType, proto: ProtoBuf.Type.Builder) {
-        // TODO: For debugging purpose we store the textual
-        // representation of serialized types.
-        // To be removed.
-        proto.setExtension(KonanProtoBuf.typeText, type.toString())
-
-        super.serializeType(type, proto)
-    }
-
     override fun serializeTypeParameter(typeParameter: TypeParameterDescriptor, proto: ProtoBuf.TypeParameter.Builder) {
         uniqId(typeParameter) ?.let { proto.setExtension(KonanProtoBuf.typeParamUniqId, it) }
         super.serializeTypeParameter(typeParameter, proto)
diff --git a/extracted/konan.metadata/src/KonanProtoBuf.proto b/extracted/konan.metadata/src/KonanProtoBuf.proto
index 98bcbebf982..90357e7f68c 100644
--- a/extracted/konan.metadata/src/KonanProtoBuf.proto
+++ b/extracted/konan.metadata/src/KonanProtoBuf.proto
@@ -31,13 +31,11 @@ extend Class {
 
 extend Constructor {
     repeated Annotation constructor_annotation = 170;
-    optional InlineIrBody inline_constructor_ir_body = 171;
     optional DescriptorUniqId constructor_uniq_id = 172;
 }
 
 extend Function {
     repeated Annotation function_annotation = 170;
-    optional InlineIrBody inline_ir_body = 171;
     optional int32 function_file = 172;
     optional DescriptorUniqId function_uniq_id = 173;
 }
@@ -47,10 +45,7 @@ extend Property {
     repeated Annotation property_getter_annotation = 177;
     repeated Annotation property_setter_annotation = 178;
     optional bool has_backing_field = 171;
-    optional bool used_as_variable = 172;
     optional Annotation.Argument.Value compile_time_value = 173;
-    optional InlineIrBody inline_getter_ir_body = 174;
-    optional InlineIrBody inline_setter_ir_body = 175;
     optional int32 property_file = 176;
     optional DescriptorUniqId property_uniq_id = 179;
 }
@@ -68,7 +63,6 @@ extend ValueParameter {
 
 extend Type {
     repeated Annotation type_annotation = 170;
-    optional string type_text = 172; // TODO: remove me
 }
 
 extend TypeParameter {
@@ -76,16 +70,6 @@ extend TypeParameter {
     optional DescriptorUniqId type_param_uniq_id = 171;
 }
 
-message InlineIrBody {
-    // We need to refer from descriptors to ir inline body.
-    // And in ir we need to refer local declaration descriptors
-    // That requires mutual import of KonanIr and KonanLinkData.
-    // I break the circle here by storing encoded IR.
-    // May be we need to merge KonanIr into KonanLinkData.
-    // That'd allow mutually recursive messages.
-    required string encoded_ir = 11;
-}
-
 // Konan Binary Linkdata structures.
 
 message LinkDataPackageFragment {