diff --git a/AK/BitStream.h b/AK/BitStream.h
index 966fd424b4..84e91cdeec 100644
--- a/AK/BitStream.h
+++ b/AK/BitStream.h
@@ -34,7 +34,6 @@ public:
         return m_stream->read_some(bytes);
     }
     virtual ErrorOr<size_t> write_some(ReadonlyBytes bytes) override { return m_stream->write_some(bytes); }
-    virtual ErrorOr<void> write_until_depleted(ReadonlyBytes bytes) override { return m_stream->write_until_depleted(bytes); }
     virtual bool is_eof() const override { return m_stream->is_eof() && !m_current_byte.has_value(); }
     virtual bool is_open() const override { return m_stream->is_open(); }
     virtual void close() override
@@ -141,7 +140,6 @@ public:
         return m_stream->read_some(bytes);
     }
     virtual ErrorOr<size_t> write_some(ReadonlyBytes bytes) override { return m_stream->write_some(bytes); }
-    virtual ErrorOr<void> write_until_depleted(ReadonlyBytes bytes) override { return m_stream->write_until_depleted(bytes); }
     virtual bool is_eof() const override { return m_stream->is_eof() && !m_current_byte.has_value(); }
     virtual bool is_open() const override { return m_stream->is_open(); }
     virtual void close() override