diff --git a/js/js.serializer/src/js-ast.proto b/js/js.serializer/src/js-ast.proto
index 9137a05f489..9c0789d75bf 100644
--- a/js/js.serializer/src/js-ast.proto
+++ b/js/js.serializer/src/js-ast.proto
@@ -373,10 +373,6 @@ message Catch {
 message Empty {
 }
 
-message Code {
-    required string value = 1;
-}
-
 message SingleLineComment {
     required string message = 1;
 }
diff --git a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java
index 11a509f4d49..a4e30641d7e 100644
--- a/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java
+++ b/js/js.serializer/src/org/jetbrains/kotlin/serialization/js/ast/JsAstProtoBuf.java
@@ -30376,445 +30376,6 @@ public final class JsAstProtoBuf {
     // @@protoc_insertion_point(class_scope:org.jetbrains.kotlin.serialization.js.ast.Empty)
   }
 
-  public interface CodeOrBuilder extends
-      // @@protoc_insertion_point(interface_extends:org.jetbrains.kotlin.serialization.js.ast.Code)
-      org.jetbrains.kotlin.protobuf.MessageLiteOrBuilder {
-
-    /**
-     * <code>required string value = 1;</code>
-     */
-    boolean hasValue();
-    /**
-     * <code>required string value = 1;</code>
-     */
-    java.lang.String getValue();
-    /**
-     * <code>required string value = 1;</code>
-     */
-    org.jetbrains.kotlin.protobuf.ByteString
-        getValueBytes();
-  }
-  /**
-   * Protobuf type {@code org.jetbrains.kotlin.serialization.js.ast.Code}
-   */
-  public static final class Code extends
-      org.jetbrains.kotlin.protobuf.GeneratedMessageLite implements
-      // @@protoc_insertion_point(message_implements:org.jetbrains.kotlin.serialization.js.ast.Code)
-      CodeOrBuilder {
-    // Use Code.newBuilder() to construct.
-    private Code(org.jetbrains.kotlin.protobuf.GeneratedMessageLite.Builder builder) {
-      super(builder);
-      this.unknownFields = builder.getUnknownFields();
-    }
-    private Code(boolean noInit) { this.unknownFields = org.jetbrains.kotlin.protobuf.ByteString.EMPTY;}
-
-    private static final Code defaultInstance;
-    public static Code getDefaultInstance() {
-      return defaultInstance;
-    }
-
-    public Code getDefaultInstanceForType() {
-      return defaultInstance;
-    }
-
-    private final org.jetbrains.kotlin.protobuf.ByteString unknownFields;
-    private Code(
-        org.jetbrains.kotlin.protobuf.CodedInputStream input,
-        org.jetbrains.kotlin.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws org.jetbrains.kotlin.protobuf.InvalidProtocolBufferException {
-      initFields();
-      int mutable_bitField0_ = 0;
-      org.jetbrains.kotlin.protobuf.ByteString.Output unknownFieldsOutput =
-          org.jetbrains.kotlin.protobuf.ByteString.newOutput();
-      org.jetbrains.kotlin.protobuf.CodedOutputStream unknownFieldsCodedOutput =
-          org.jetbrains.kotlin.protobuf.CodedOutputStream.newInstance(
-              unknownFieldsOutput, 1);
-      try {
-        boolean done = false;
-        while (!done) {
-          int tag = input.readTag();
-          switch (tag) {
-            case 0:
-              done = true;
-              break;
-            default: {
-              if (!parseUnknownField(input, unknownFieldsCodedOutput,
-                                     extensionRegistry, tag)) {
-                done = true;
-              }
-              break;
-            }
-            case 10: {
-              org.jetbrains.kotlin.protobuf.ByteString bs = input.readBytes();
-              bitField0_ |= 0x00000001;
-              value_ = bs;
-              break;
-            }
-          }
-        }
-      } catch (org.jetbrains.kotlin.protobuf.InvalidProtocolBufferException e) {
-        throw e.setUnfinishedMessage(this);
-      } catch (java.io.IOException e) {
-        throw new org.jetbrains.kotlin.protobuf.InvalidProtocolBufferException(
-            e.getMessage()).setUnfinishedMessage(this);
-      } finally {
-        try {
-          unknownFieldsCodedOutput.flush();
-        } catch (java.io.IOException e) {
-        // Should not happen
-        } finally {
-          unknownFields = unknownFieldsOutput.toByteString();
-        }
-        makeExtensionsImmutable();
-      }
-    }
-    public static org.jetbrains.kotlin.protobuf.Parser<Code> PARSER =
-        new org.jetbrains.kotlin.protobuf.AbstractParser<Code>() {
-      public Code parsePartialFrom(
-          org.jetbrains.kotlin.protobuf.CodedInputStream input,
-          org.jetbrains.kotlin.protobuf.ExtensionRegistryLite extensionRegistry)
-          throws org.jetbrains.kotlin.protobuf.InvalidProtocolBufferException {
-        return new Code(input, extensionRegistry);
-      }
-    };
-
-    @java.lang.Override
-    public org.jetbrains.kotlin.protobuf.Parser<Code> getParserForType() {
-      return PARSER;
-    }
-
-    private int bitField0_;
-    public static final int VALUE_FIELD_NUMBER = 1;
-    private java.lang.Object value_;
-    /**
-     * <code>required string value = 1;</code>
-     */
-    public boolean hasValue() {
-      return ((bitField0_ & 0x00000001) == 0x00000001);
-    }
-    /**
-     * <code>required string value = 1;</code>
-     */
-    public java.lang.String getValue() {
-      java.lang.Object ref = value_;
-      if (ref instanceof java.lang.String) {
-        return (java.lang.String) ref;
-      } else {
-        org.jetbrains.kotlin.protobuf.ByteString bs = 
-            (org.jetbrains.kotlin.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        if (bs.isValidUtf8()) {
-          value_ = s;
-        }
-        return s;
-      }
-    }
-    /**
-     * <code>required string value = 1;</code>
-     */
-    public org.jetbrains.kotlin.protobuf.ByteString
-        getValueBytes() {
-      java.lang.Object ref = value_;
-      if (ref instanceof java.lang.String) {
-        org.jetbrains.kotlin.protobuf.ByteString b = 
-            org.jetbrains.kotlin.protobuf.ByteString.copyFromUtf8(
-                (java.lang.String) ref);
-        value_ = b;
-        return b;
-      } else {
-        return (org.jetbrains.kotlin.protobuf.ByteString) ref;
-      }
-    }
-
-    private void initFields() {
-      value_ = "";
-    }
-    private byte memoizedIsInitialized = -1;
-    public final boolean isInitialized() {
-      byte isInitialized = memoizedIsInitialized;
-      if (isInitialized == 1) return true;
-      if (isInitialized == 0) return false;
-
-      if (!hasValue()) {
-        memoizedIsInitialized = 0;
-        return false;
-      }
-      memoizedIsInitialized = 1;
-      return true;
-    }
-
-    public void writeTo(org.jetbrains.kotlin.protobuf.CodedOutputStream output)
-                        throws java.io.IOException {
-      getSerializedSize();
-      if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        output.writeBytes(1, getValueBytes());
-      }
-      output.writeRawBytes(unknownFields);
-    }
-
-    private int memoizedSerializedSize = -1;
-    public int getSerializedSize() {
-      int size = memoizedSerializedSize;
-      if (size != -1) return size;
-
-      size = 0;
-      if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        size += org.jetbrains.kotlin.protobuf.CodedOutputStream
-          .computeBytesSize(1, getValueBytes());
-      }
-      size += unknownFields.size();
-      memoizedSerializedSize = size;
-      return size;
-    }
-
-    private static final long serialVersionUID = 0L;
-    @java.lang.Override
-    protected java.lang.Object writeReplace()
-        throws java.io.ObjectStreamException {
-      return super.writeReplace();
-    }
-
-    public static org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code parseFrom(
-        org.jetbrains.kotlin.protobuf.ByteString data)
-        throws org.jetbrains.kotlin.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
-    public static org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code parseFrom(
-        org.jetbrains.kotlin.protobuf.ByteString data,
-        org.jetbrains.kotlin.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws org.jetbrains.kotlin.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
-    public static org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code parseFrom(byte[] data)
-        throws org.jetbrains.kotlin.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
-    public static org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code parseFrom(
-        byte[] data,
-        org.jetbrains.kotlin.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws org.jetbrains.kotlin.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
-    public static org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code parseFrom(java.io.InputStream input)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input);
-    }
-    public static org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code parseFrom(
-        java.io.InputStream input,
-        org.jetbrains.kotlin.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input, extensionRegistry);
-    }
-    public static org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code parseDelimitedFrom(java.io.InputStream input)
-        throws java.io.IOException {
-      return PARSER.parseDelimitedFrom(input);
-    }
-    public static org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code parseDelimitedFrom(
-        java.io.InputStream input,
-        org.jetbrains.kotlin.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseDelimitedFrom(input, extensionRegistry);
-    }
-    public static org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code parseFrom(
-        org.jetbrains.kotlin.protobuf.CodedInputStream input)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input);
-    }
-    public static org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code parseFrom(
-        org.jetbrains.kotlin.protobuf.CodedInputStream input,
-        org.jetbrains.kotlin.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input, extensionRegistry);
-    }
-
-    public static Builder newBuilder() { return Builder.create(); }
-    public Builder newBuilderForType() { return newBuilder(); }
-    public static Builder newBuilder(org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code prototype) {
-      return newBuilder().mergeFrom(prototype);
-    }
-    public Builder toBuilder() { return newBuilder(this); }
-
-    /**
-     * Protobuf type {@code org.jetbrains.kotlin.serialization.js.ast.Code}
-     */
-    public static final class Builder extends
-        org.jetbrains.kotlin.protobuf.GeneratedMessageLite.Builder<
-          org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code, Builder>
-        implements
-        // @@protoc_insertion_point(builder_implements:org.jetbrains.kotlin.serialization.js.ast.Code)
-        org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.CodeOrBuilder {
-      // Construct using org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code.newBuilder()
-      private Builder() {
-        maybeForceBuilderInitialization();
-      }
-
-      private void maybeForceBuilderInitialization() {
-      }
-      private static Builder create() {
-        return new Builder();
-      }
-
-      public Builder clear() {
-        super.clear();
-        value_ = "";
-        bitField0_ = (bitField0_ & ~0x00000001);
-        return this;
-      }
-
-      public Builder clone() {
-        return create().mergeFrom(buildPartial());
-      }
-
-      public org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code getDefaultInstanceForType() {
-        return org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code.getDefaultInstance();
-      }
-
-      public org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code build() {
-        org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code result = buildPartial();
-        if (!result.isInitialized()) {
-          throw newUninitializedMessageException(result);
-        }
-        return result;
-      }
-
-      public org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code buildPartial() {
-        org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code result = new org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code(this);
-        int from_bitField0_ = bitField0_;
-        int to_bitField0_ = 0;
-        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
-          to_bitField0_ |= 0x00000001;
-        }
-        result.value_ = value_;
-        result.bitField0_ = to_bitField0_;
-        return result;
-      }
-
-      public Builder mergeFrom(org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code other) {
-        if (other == org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code.getDefaultInstance()) return this;
-        if (other.hasValue()) {
-          bitField0_ |= 0x00000001;
-          value_ = other.value_;
-          
-        }
-        setUnknownFields(
-            getUnknownFields().concat(other.unknownFields));
-        return this;
-      }
-
-      public final boolean isInitialized() {
-        if (!hasValue()) {
-          
-          return false;
-        }
-        return true;
-      }
-
-      public Builder mergeFrom(
-          org.jetbrains.kotlin.protobuf.CodedInputStream input,
-          org.jetbrains.kotlin.protobuf.ExtensionRegistryLite extensionRegistry)
-          throws java.io.IOException {
-        org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code parsedMessage = null;
-        try {
-          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
-        } catch (org.jetbrains.kotlin.protobuf.InvalidProtocolBufferException e) {
-          parsedMessage = (org.jetbrains.kotlin.serialization.js.ast.JsAstProtoBuf.Code) e.getUnfinishedMessage();
-          throw e;
-        } finally {
-          if (parsedMessage != null) {
-            mergeFrom(parsedMessage);
-          }
-        }
-        return this;
-      }
-      private int bitField0_;
-
-      private java.lang.Object value_ = "";
-      /**
-       * <code>required string value = 1;</code>
-       */
-      public boolean hasValue() {
-        return ((bitField0_ & 0x00000001) == 0x00000001);
-      }
-      /**
-       * <code>required string value = 1;</code>
-       */
-      public java.lang.String getValue() {
-        java.lang.Object ref = value_;
-        if (!(ref instanceof java.lang.String)) {
-          org.jetbrains.kotlin.protobuf.ByteString bs =
-              (org.jetbrains.kotlin.protobuf.ByteString) ref;
-          java.lang.String s = bs.toStringUtf8();
-          if (bs.isValidUtf8()) {
-            value_ = s;
-          }
-          return s;
-        } else {
-          return (java.lang.String) ref;
-        }
-      }
-      /**
-       * <code>required string value = 1;</code>
-       */
-      public org.jetbrains.kotlin.protobuf.ByteString
-          getValueBytes() {
-        java.lang.Object ref = value_;
-        if (ref instanceof String) {
-          org.jetbrains.kotlin.protobuf.ByteString b = 
-              org.jetbrains.kotlin.protobuf.ByteString.copyFromUtf8(
-                  (java.lang.String) ref);
-          value_ = b;
-          return b;
-        } else {
-          return (org.jetbrains.kotlin.protobuf.ByteString) ref;
-        }
-      }
-      /**
-       * <code>required string value = 1;</code>
-       */
-      public Builder setValue(
-          java.lang.String value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  bitField0_ |= 0x00000001;
-        value_ = value;
-        
-        return this;
-      }
-      /**
-       * <code>required string value = 1;</code>
-       */
-      public Builder clearValue() {
-        bitField0_ = (bitField0_ & ~0x00000001);
-        value_ = getDefaultInstance().getValue();
-        
-        return this;
-      }
-      /**
-       * <code>required string value = 1;</code>
-       */
-      public Builder setValueBytes(
-          org.jetbrains.kotlin.protobuf.ByteString value) {
-        if (value == null) {
-    throw new NullPointerException();
-  }
-  bitField0_ |= 0x00000001;
-        value_ = value;
-        
-        return this;
-      }
-
-      // @@protoc_insertion_point(builder_scope:org.jetbrains.kotlin.serialization.js.ast.Code)
-    }
-
-    static {
-      defaultInstance = new Code(true);
-      defaultInstance.initFields();
-    }
-
-    // @@protoc_insertion_point(class_scope:org.jetbrains.kotlin.serialization.js.ast.Code)
-  }
-
   public interface SingleLineCommentOrBuilder extends
       // @@protoc_insertion_point(interface_extends:org.jetbrains.kotlin.serialization.js.ast.SingleLineComment)
       org.jetbrains.kotlin.protobuf.MessageLiteOrBuilder {