public Builder clearDepartment() {
      department_ = getDefaultInstance().getDepartment();
      bitField0_ = (bitField0_ & ~0x00000800);
      onChanged();
      return this;
    }
<pre>
The department or functional area within the company with the open
position.

The maximum number of allowed characters is 255.
</pre>

<code>string department = 12;</code>

@return This builder for chaining.
java-talent/proto-google-cloud-talent-v4/src/main/java/com/google/cloud/talent/v4/Job.java