diff --git a/Sources/Kafka/Configuration/KafkaGroupConfiguration.swift b/Sources/Kafka/Configuration/KafkaGroupConfiguration.swift
deleted file mode 100644
index ef597fa..0000000
--- a/Sources/Kafka/Configuration/KafkaGroupConfiguration.swift
+++ /dev/null
@@ -1,37 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// This source file is part of the swift-kafka-client open source project
-//
-// Copyright (c) 2022 Apple Inc. and the swift-kafka-client project authors
-// Licensed under Apache License v2.0
-//
-// See LICENSE.txt for license information
-// See CONTRIBUTORS.txt for the list of swift-kafka-client project authors
-//
-// SPDX-License-Identifier: Apache-2.0
-//
-//===----------------------------------------------------------------------===//
-
-public struct KafkaGroupConfiguration {
-    // MARK: - Common Client Config Properties
-
-    /// Initial list of brokers.
-    /// Default: `[]`
-    public var bootstrapBrokerAddresses: [KafkaConfiguration.BrokerAddress] = []
-
-    public init(bootstrapBrokerAddresses: [KafkaConfiguration.BrokerAddress]) {
-        self.bootstrapBrokerAddresses = bootstrapBrokerAddresses
-    }
-}
-
-// MARK: - KafkaGroupConfiguration + Dictionary
-
-extension KafkaGroupConfiguration {
-    internal var dictionary: [String: String] {
-        var resultDict: [String: String] = [:]
-        resultDict["bootstrap.servers"] = bootstrapBrokerAddresses.map(\.description).joined(separator: ",")
-        return resultDict
-    }
-}
-
-extension KafkaGroupConfiguration: Sendable {}
diff --git a/Sources/Kafka/KafkaMetadataBroker.swift b/Sources/Kafka/KafkaMetadataBroker.swift
deleted file mode 100644
index 6c3ea76..0000000
--- a/Sources/Kafka/KafkaMetadataBroker.swift
+++ /dev/null
@@ -1,34 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// This source file is part of the swift-kafka-client open source project
-//
-// Copyright (c) 2023 Apple Inc. and the swift-kafka-client project authors
-// Licensed under Apache License v2.0
-//
-// See LICENSE.txt for license information
-// See CONTRIBUTORS.txt for the list of swift-kafka-client project authors
-//
-// SPDX-License-Identifier: Apache-2.0
-//
-//===----------------------------------------------------------------------===//
-
-import Crdkafka
-
-/// A proxy structure for rd_kafka_metadata_broker_t
-public struct KafkaMetadataBroker: Sendable, Hashable {
-    public let id: Int32
-    public let host: String
-    public let port: Int32
-
-    public init(id: Int32, host: String, port: Int32) {
-        self.id = id
-        self.host = host
-        self.port = port
-    }
-
-    init(_ rdMetadataBroker: rd_kafka_metadata_broker_t) {
-        self.id = rdMetadataBroker.id
-        self.host = String(cString: rdMetadataBroker.host)
-        self.port = rdMetadataBroker.port
-    }
-}