diff --git a/mcrouter/CMakeLists.txt b/mcrouter/CMakeLists.txt
index 30b368a2f..022c4da40 100644
--- a/mcrouter/CMakeLists.txt
+++ b/mcrouter/CMakeLists.txt
@@ -63,17 +63,15 @@ add_library(
   CarbonRouterInstance.cpp
   CarbonRouterInstanceBase.cpp
   ConfigApi.cpp
+  ExternalStatsHandler.cpp
   FileDataProvider.cpp
   FileObserver.cpp
-  flavor.cpp
   LeaseTokenMap.cpp
-  mcrouter_config.cpp
+  McSpoolUtils.cpp
   McrouterFiberContext.cpp
   McrouterLogFailure.cpp
   McrouterLogger.cpp
   McrouterManager.cpp
-  McSpoolUtils.cpp
-  options.cpp
   OptionsUtil.cpp
   PoolFactory.cpp
   ProxyBase.cpp
@@ -84,24 +82,52 @@ add_library(
   ProxyDestinationMap.cpp
   ProxyRequestContext.cpp
   ProxyStats.cpp
-  route.cpp
   RoutingPrefix.cpp
   RuntimeVarsData.cpp
   ServiceInfo.cpp
-  stats.cpp
   ThreadUtil.cpp
   ThriftAcceptor.cpp
   TkoLog.cpp
   TkoTracker.cpp
-  ExternalStatsHandler.cpp)
+  flavor.cpp
+  mcrouter_config.cpp
+  options.cpp
+  route.cpp
+  routes/BigValueRoute.cpp
+  routes/CarbonLookasideRoute.cpp
+  routes/FailoverRateLimiter.cpp
+  routes/HashStopAllowListRoute.cpp
+  routes/KeyParseRoute.cpp
+  routes/LatencyInjectionRoute.cpp
+  routes/McBucketRoute.cpp
+  routes/McImportResolver.cpp
+  routes/McRouteHandleProvider-AllFastestRoute.cpp
+  routes/McRouteHandleProvider-CarbonLookasideRoute.cpp
+  routes/McRouteHandleProvider-FailoverRoute.cpp
+  routes/McRouteHandleProvider-HashRoute.cpp
+  routes/McRouteHandleProvider-PoolRoute.cpp
+  routes/McRouteHandleProvider.cpp
+  routes/NullRoute.cpp
+  routes/RateLimiter.cpp
+  routes/RendezvousRouteHelpers.cpp
+  routes/ShadowSettings.cpp
+  routes/ShardHashFunc.cpp
+  routes/ShardSelectionRouteFactory.cpp
+  routes/ShardSplitRoute.cpp
+  routes/ShardSplitter.cpp
+  routes/SlowWarmUpRouteSettings.cpp
+  routes/StagingRoute.cpp
+  routes/WarmUpRoute.cpp
+  stats.cpp)
 
 add_dependencies(mcroutercore mcrouter_symlink_headers)
 
 target_link_libraries(
   mcroutercore
-  PUBLIC mcrouter_routes mcrouter_carbon_result_thrift mcrouter_carbon_thrift
+  PUBLIC mcrouter_carbon_result_thrift mcrouter_carbon_thrift
          mcrouter_common_thrift mcrouter_memcache_thrift memcache_service_thrift
-  PRIVATE mcrouter_invalidation FBThrift::thriftcpp2 Folly::folly atomic)
+         Folly::folly
+  PRIVATE mcrouter_invalidation FBThrift::thriftcpp2 atomic)
 
 add_executable(mcrouter main.cpp RequestAclChecker.cpp StandaloneConfig.cpp
                         StandaloneUtils.cpp)
@@ -113,11 +139,6 @@ target_link_libraries(
   Folly::folly
   FBThrift::thriftcpp2
   FBThrift::async
-  mcrouter_carbon_result_thrift
-  mcrouter_carbon_thrift
-  mcrouter_common_thrift
-  mcrouter_memcache_thrift
-  memcache_service_thrift
   FBThrift::serverdbginfo
   FBThrift::transport
   FBThrift::thriftanyrep
diff --git a/mcrouter/lib/CMakeLists.txt b/mcrouter/lib/CMakeLists.txt
index 9e2013a23..3d8a51349 100644
--- a/mcrouter/lib/CMakeLists.txt
+++ b/mcrouter/lib/CMakeLists.txt
@@ -35,37 +35,79 @@ add_library(mcrouter_thread_pools AuxiliaryCPUThreadPool.cpp
 
 target_link_libraries(mcrouter_thread_pools PRIVATE Folly::folly)
 
-add_library(mcrouter_fiber_local FiberLocalInternal.cpp)
+add_custom_command(
+  OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/network/McAsciiParser-gen.cpp
+  COMMAND ragel -G1 ${CMAKE_CURRENT_SOURCE_DIR}/network/McAsciiParser.rl -o
+          ${CMAKE_CURRENT_BINARY_DIR}/network/McAsciiParser-gen.cpp
+  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/network/McAsciiParser.rl
+  VERBATIM)
 
-target_link_libraries(mcrouter_fiber_local PRIVATE Folly::folly)
-
-add_library(mcrouter_failover_errors_settings FailoverErrorsSettingsBase.cpp)
-
-target_link_libraries(
-  mcrouter_failover_errors_settings
-  PRIVATE mcrouter_fbi mcrouter_mc_protocol mcrouter_network_messages
-          Folly::folly FBThrift::thriftcpp2)
-
-add_library(mcrouterinternal MessageQueue.cpp StatsReply.cpp)
+add_library(
+  mcrouterinternal
+  FailoverErrorsSettingsBase.cpp
+  FiberLocalInternal.cpp
+  MessageQueue.cpp
+  StatsReply.cpp
+  carbon/CmdLineClient.cpp
+  carbon/JsonClient.cpp
+  carbon/connection/ExternalCarbonConnectionImpl.cpp
+  network/AccessPoint.cpp
+  network/AsciiSerialized.cpp
+  network/AsyncMcClientImpl.cpp
+  network/AsyncMcServer.cpp
+  network/AsyncMcServerWorker.cpp
+  network/AsyncTlsToPlaintextSocket.cpp
+  network/CaretProtocol.cpp
+  network/ConnectionTracker.cpp
+  network/CpuController.cpp
+  network/FailureDomains.cpp
+  network/FizzContextProvider.cpp
+  network/McAsciiParser-gen.cpp
+  network/McAsciiParser.cpp
+  network/McClientRequestContext.cpp
+  network/McParser.cpp
+  network/McSSLUtil.cpp
+  network/McSerializedRequest.cpp
+  network/McServerRequestContext.cpp
+  network/McServerRequestContext.cpp
+  network/McServerSession.cpp
+  network/McServerThriftRequestContext.cpp
+  network/MultiOpParent.cpp
+  network/Qos.cpp
+  network/SecurityOptions.cpp
+  network/ServerLoad.cpp
+  network/SocketConnector.cpp
+  network/SocketUtil.cpp
+  network/ThreadLocalSSLContextProvider.cpp
+  network/ThriftTransport.cpp
+  network/WriteBuffer.cpp
+  network/gen/CommonMessages.cpp
+  network/gen/CommonMessagesThrift.cpp
+  network/gen/MemcacheMessages.cpp
+  network/gen/MemcacheMessagesThrift.cpp
+  network/gen/MemcacheRouterInfo-AllFastestRoute.cpp
+  network/gen/MemcacheRouterInfo-BuildExtraProvider.cpp
+  network/gen/MemcacheRouterInfo-ExternTemplate.cpp
+  network/gen/MemcacheRouterInfo-FailoverRoute.cpp
+  network/gen/MemcacheRouterInfo-HashRoute.cpp
+  network/gen/MemcacheRouterInfo.cpp)
 
 target_link_libraries(
   mcrouterinternal
   PUBLIC mcrouter_fbi
          mcrouter_config
          mcrouter_debug
-         mcrouter_network_messages
          mcrouter_hash_functions
          mcrouter_compression_codecs
          mcrouter_thread_pools
          mcrouter_carbon_protocol
          mcrouter_mc_protocol
-         mcrouter_network
-         mcrouter_failover_errors_settings
          mcrouter_carbon_result_thrift
          mcrouter_carbon_thrift
          mcrouter_common_thrift
          mcrouter_memcache_thrift
-         memcache_service_thrift)
+         memcache_service_thrift
+  PRIVATE mcrouter_clocks)
 
 add_subdirectory(carbon)
 add_subdirectory(config)
diff --git a/mcrouter/lib/carbon/CMakeLists.txt b/mcrouter/lib/carbon/CMakeLists.txt
index 72e591497..e41bbd0b6 100644
--- a/mcrouter/lib/carbon/CMakeLists.txt
+++ b/mcrouter/lib/carbon/CMakeLists.txt
@@ -15,12 +15,5 @@ target_link_libraries(
   PRIVATE mcrouter_carbon_result_thrift Folly::folly
   PUBLIC FBThrift::thriftcpp2)
 
-add_library(mcrouter_carbon_clients CmdLineClient.cpp JsonClient.cpp)
-
-target_link_libraries(
-  mcrouter_carbon_clients PRIVATE mcrouterinternal Folly::folly
-                                  FBThrift::thriftcpp2)
-
-add_subdirectory(connection)
 add_subdirectory(example)
 add_subdirectory(test)
diff --git a/mcrouter/lib/carbon/connection/CMakeLists.txt b/mcrouter/lib/carbon/connection/CMakeLists.txt
deleted file mode 100644
index df99a9135..000000000
--- a/mcrouter/lib/carbon/connection/CMakeLists.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-# Copyright (c) Meta Platforms, Inc. and affiliates.
-#
-# This source code is licensed under the MIT license found in the LICENSE file
-# in the root directory of this source tree.
-
-add_library(mcrouter_carbon_connection ExternalCarbonConnectionImpl.cpp)
-
-target_link_libraries(
-  mcrouter_carbon_connection PRIVATE mcrouter_network_messages Folly::folly
-                                     FBThrift::thriftcpp2)
diff --git a/mcrouter/lib/carbon/example/gen/CMakeLists.txt b/mcrouter/lib/carbon/example/gen/CMakeLists.txt
index 9829051c2..a59e39958 100644
--- a/mcrouter/lib/carbon/example/gen/CMakeLists.txt
+++ b/mcrouter/lib/carbon/example/gen/CMakeLists.txt
@@ -39,11 +39,10 @@ add_dependencies(mcrouter_hello_goodbye mcrouter_symlink_headers)
 target_link_libraries(
   mcrouter_hello_goodbye
   PUBLIC mcrouter_hello_goodbye_service_thrift mcrouter_hello_goodbye_messages
-  PRIVATE mcrouter_carbon_connection mcrouter_routes Folly::folly
-          FBThrift::thriftcpp2)
+  PRIVATE mcrouterinternal Folly::folly FBThrift::thriftcpp2)
 
 add_executable(mcrouter_hello_goodbye_client_tool HelloGoodbyeClientTool.cpp)
 
 target_link_libraries(
-  mcrouter_hello_goodbye_client_tool
-  PRIVATE mcrouter_hello_goodbye_messages mcrouter_carbon_clients Folly::folly)
+  mcrouter_hello_goodbye_client_tool PRIVATE mcrouter_hello_goodbye_messages
+                                             mcrouterinternal Folly::folly)
diff --git a/mcrouter/lib/carbon/test/CMakeLists.txt b/mcrouter/lib/carbon/test/CMakeLists.txt
index 2637068a3..2c5ca7033 100644
--- a/mcrouter/lib/carbon/test/CMakeLists.txt
+++ b/mcrouter/lib/carbon/test/CMakeLists.txt
@@ -22,8 +22,7 @@ add_executable(
   VariantTest.cpp)
 
 target_link_libraries(
-  mcrouter_carbon_tests
-  PRIVATE mcrouter_carbon_protocol mcrouter_carbon_clients GTest::gtest
-          Folly::folly)
+  mcrouter_carbon_tests PRIVATE mcrouter_carbon_protocol mcrouterinternal
+                                GTest::gtest Folly::folly)
 
 gtest_discover_tests(mcrouter_carbon_tests)
diff --git a/mcrouter/lib/invalidation/test/CMakeLists.txt b/mcrouter/lib/invalidation/test/CMakeLists.txt
index 86545624c..f265eede9 100644
--- a/mcrouter/lib/invalidation/test/CMakeLists.txt
+++ b/mcrouter/lib/invalidation/test/CMakeLists.txt
@@ -12,6 +12,5 @@ add_executable(
                               McInvalidationKvPairsTest.cpp)
 
 target_link_libraries(
-  mcrouter_invalidation_tests
-  PRIVATE mcrouter_invalidation mcrouter_network_messages Folly::folly
-          GTest::gtest)
+  mcrouter_invalidation_tests PRIVATE mcrouter_invalidation mcrouterinternal
+                                      Folly::folly GTest::gtest)
diff --git a/mcrouter/lib/network/CMakeLists.txt b/mcrouter/lib/network/CMakeLists.txt
index ce91da7fc..e31b0c75e 100644
--- a/mcrouter/lib/network/CMakeLists.txt
+++ b/mcrouter/lib/network/CMakeLists.txt
@@ -3,58 +3,5 @@
 # This source code is licensed under the MIT license found in the LICENSE file
 # in the root directory of this source tree.
 
-add_custom_command(
-  OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/McAsciiParser-gen.cpp
-  COMMAND ragel -G1 ${CMAKE_CURRENT_SOURCE_DIR}/McAsciiParser.rl -o
-          ${CMAKE_CURRENT_BINARY_DIR}/McAsciiParser-gen.cpp
-  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/McAsciiParser.rl
-  VERBATIM)
-
-add_library(
-  mcrouter_network
-  AccessPoint.cpp
-  AsciiSerialized.cpp
-  AsyncMcClientImpl.cpp
-  AsyncTlsToPlaintextSocket.cpp
-  CaretProtocol.cpp
-  FailureDomains.cpp
-  FizzContextProvider.cpp
-  McClientRequestContext.cpp
-  McSerializedRequest.cpp
-  McSSLUtil.cpp
-  Qos.cpp
-  SecurityOptions.cpp
-  ServerLoad.cpp
-  SocketConnector.cpp
-  SocketUtil.cpp
-  ThreadLocalSSLContextProvider.cpp
-  ThriftTransport.cpp
-  WriteBuffer.cpp
-  McAsciiParser-gen.cpp
-  McAsciiParser.cpp
-  McParser.cpp
-  AsyncMcServer.cpp
-  AsyncMcServerWorker.cpp
-  ConnectionTracker.cpp
-  CpuController.cpp
-  McServerRequestContext.cpp
-  McServerRequestContext.cpp
-  McServerSession.cpp
-  McServerThriftRequestContext.cpp
-  MultiOpParent.cpp)
-
-target_link_libraries(
-  mcrouter_network
-  PUBLIC Folly::folly
-  PRIVATE mcrouter_clocks
-          mcrouter_carbon_protocol
-          mcrouter_memcache_thrift
-          mcrouter_debug
-          mcrouter_thread_pools
-          mcrouter_compression_codecs
-          mcrouter_utils
-          fizz::fizz
-          FBThrift::thriftcpp2)
-
 add_subdirectory(gen)
 add_subdirectory(test)
diff --git a/mcrouter/lib/network/gen/CMakeLists.txt b/mcrouter/lib/network/gen/CMakeLists.txt
index ee4d312e1..fcf4d2428 100644
--- a/mcrouter/lib/network/gen/CMakeLists.txt
+++ b/mcrouter/lib/network/gen/CMakeLists.txt
@@ -19,24 +19,3 @@ add_fbthrift_cpp_library(
   Memcache
   OPTIONS
   "${THRIFT_OPTIONS}")
-
-add_library(
-  mcrouter_network_messages CommonMessages.cpp CommonMessagesThrift.cpp
-                            MemcacheMessages.cpp MemcacheMessagesThrift.cpp)
-
-target_link_libraries(
-  mcrouter_network_messages
-  PUBLIC mcrouter_common_thrift mcrouter_memcache_thrift
-         mcrouter_carbon_protocol)
-
-add_library(
-  mcrouter_memcache_router_info
-  MemcacheRouterInfo.cpp
-  MemcacheRouterInfo-AllFastestRoute.cpp
-  MemcacheRouterInfo-FailoverRoute.cpp
-  MemcacheRouterInfo-HashRoute.cpp
-  MemcacheRouterInfo-BuildExtraProvider.cpp
-  MemcacheRouterInfo-ExternTemplate.cpp)
-
-target_link_libraries(mcrouter_memcache_router_info
-                      PUBLIC mcrouter_network_messages Folly::folly)
diff --git a/mcrouter/lib/network/test/CMakeLists.txt b/mcrouter/lib/network/test/CMakeLists.txt
index 8a7307f7f..0e7650b91 100644
--- a/mcrouter/lib/network/test/CMakeLists.txt
+++ b/mcrouter/lib/network/test/CMakeLists.txt
@@ -11,8 +11,7 @@ add_executable(mcrouter_mock_mc_server MockMc.cpp MockMcServer.cpp)
 
 target_link_libraries(
   mcrouter_mock_mc_server
-  PRIVATE mcrouter_network
-          mcrouterinternal
+  PRIVATE mcrouterinternal
           Folly::folly
           FBThrift::thriftcpp2
           FBThrift::async
@@ -33,8 +32,7 @@ add_executable(mcrouter_mock_mc_thrift_server MockMc.cpp MockMcThriftServer.cpp)
 
 target_link_libraries(
   mcrouter_mock_mc_thrift_server
-  PRIVATE mcrouter_network
-          memcache_service_thrift
+  PRIVATE memcache_service_thrift
           mcrouterinternal
           Folly::folly
           FBThrift::thriftcpp2
@@ -56,8 +54,7 @@ add_executable(mcrouter_mock_mc_server_dual MockMc.cpp MockMcServerDual.cpp)
 
 target_link_libraries(
   mcrouter_mock_mc_server_dual
-  PRIVATE mcrouter_network
-          memcache_service_thrift
+  PRIVATE memcache_service_thrift
           mcrouterinternal
           Folly::folly
           FBThrift::thriftcpp2
@@ -97,9 +94,8 @@ add_executable(
 
 target_link_libraries(
   mcrouter_network_tests
-  PRIVATE mcrouter_network
+  PRIVATE mcrouterinternal
           mcrouter_network_tests_gen
-          mcrouter_network_messages
           Folly::folly
           GTest::gtest
           FBThrift::thriftcpp2
diff --git a/mcrouter/lib/test/CMakeLists.txt b/mcrouter/lib/test/CMakeLists.txt
index 098c1284f..fa0142113 100644
--- a/mcrouter/lib/test/CMakeLists.txt
+++ b/mcrouter/lib/test/CMakeLists.txt
@@ -31,17 +31,8 @@ add_executable(
   WeightedRendezvousHashTest.cpp)
 
 target_link_libraries(
-  mcrouter_lib_tests
-  PRIVATE mcrouter_compression_codecs
-          mcrouter_hash_functions
-          mcrouter_fiber_local
-          mcrouter_utils
-          mcrouter_memcache_thrift
-          mcroutercore
-          GTest::gtest
-          Folly::folly
-          Folly::follybenchmark
-          FBThrift::thriftcpp2)
+  mcrouter_lib_tests PRIVATE mcrouterinternal GTest::gtest Folly::folly
+                             Folly::follybenchmark FBThrift::thriftcpp2)
 
 add_executable(mcrouter_weighted_hash_benchmark WeightedHashBenchmark.cpp)
 
diff --git a/mcrouter/routes/CMakeLists.txt b/mcrouter/routes/CMakeLists.txt
index 8de032adf..9fed1a24d 100644
--- a/mcrouter/routes/CMakeLists.txt
+++ b/mcrouter/routes/CMakeLists.txt
@@ -3,43 +3,4 @@
 # This source code is licensed under the MIT license found in the LICENSE file
 # in the root directory of this source tree.
 
-add_library(
-  mcrouter_routes
-  BigValueRoute.cpp
-  CarbonLookasideRoute.cpp
-  FailoverRateLimiter.cpp
-  HashStopAllowListRoute.cpp
-  KeyParseRoute.cpp
-  LatencyInjectionRoute.cpp
-  McBucketRoute.cpp
-  McImportResolver.cpp
-  McRouteHandleProvider.cpp
-  McRouteHandleProvider-AllFastestRoute.cpp
-  McRouteHandleProvider-CarbonLookasideRoute.cpp
-  McRouteHandleProvider-FailoverRoute.cpp
-  McRouteHandleProvider-HashRoute.cpp
-  McRouteHandleProvider-PoolRoute.cpp
-  NullRoute.cpp
-  RateLimiter.cpp
-  RendezvousRouteHelpers.cpp
-  ShadowSettings.cpp
-  ShardHashFunc.cpp
-  ShardSelectionRouteFactory.cpp
-  ShardSplitRoute.cpp
-  ShardSplitter.cpp
-  SlowWarmUpRouteSettings.cpp
-  StagingRoute.cpp
-  WarmUpRoute.cpp)
-
-target_link_libraries(
-  mcrouter_routes
-  PUBLIC mcrouter_memcache_router_info
-  PRIVATE mcroutercore
-          mcrouterinternal
-          mcrouter_network_messages
-          mcrouter_failover_errors_settings
-          mcrouter_utils
-          Folly::folly
-          FBThrift::thriftcpp2)
-
 add_subdirectory(test)
diff --git a/mcrouter/routes/test/CMakeLists.txt b/mcrouter/routes/test/CMakeLists.txt
index 586a6eead..9b23e8ea8 100644
--- a/mcrouter/routes/test/CMakeLists.txt
+++ b/mcrouter/routes/test/CMakeLists.txt
@@ -46,7 +46,7 @@ add_executable(
   WarmUpRouteTest.cpp)
 
 target_link_libraries(
-  mcrouter_routes_tests PRIVATE mcrouter_hello_goodbye mcrouter_routes
+  mcrouter_routes_tests PRIVATE mcrouter_hello_goodbye mcroutercore
                                 GTest::gtest Folly::folly FBThrift::thriftcpp2)
 
 gtest_discover_tests(mcrouter_routes_tests)
diff --git a/mcrouter/test/cpp_unit_tests/CMakeLists.txt b/mcrouter/test/cpp_unit_tests/CMakeLists.txt
index acad0ce6e..37a0a5c90 100644
--- a/mcrouter/test/cpp_unit_tests/CMakeLists.txt
+++ b/mcrouter/test/cpp_unit_tests/CMakeLists.txt
@@ -10,18 +10,18 @@ endif()
 add_executable(
   cpp_unit_tests
   "${CMAKE_SOURCE_DIR}/mcrouter/test/main.cpp"
+  LeaseTokenMapTest.cpp
+  McrouterClientUsage.cpp
+  ProxyRequestContextTest.cpp
   awriter_test.cpp
   config_api_test.cpp
   exponential_smooth_data_test.cpp
   file_observer_test.cpp
   flavor_test.cpp
-  LeaseTokenMapTest.cpp
   mc_route_handle_provider_test.cpp
-  McrouterClientUsage.cpp
   observable_test.cpp
   options_test.cpp
   pool_factory_test.cpp
-  ProxyRequestContextTest.cpp
   route_test.cpp
   runtime_vars_data_test.cpp)