diff --git a/daemon/CMakeLists.txt b/daemon/CMakeLists.txt
index fe73e4d..2686426 100644
--- a/daemon/CMakeLists.txt
+++ b/daemon/CMakeLists.txt
@@ -83,17 +83,14 @@ add_library(veloxd_rpc STATIC
     src/rpc/ws_server.cpp
     src/rpc/pairing.cpp
     src/rpc/dispatcher.cpp
-    # Per-OS backends behind daemon/src/rpc/platform/*.hpp (docs/adr/0020,
-    # docs/08-porting.md). Only the Linux backend exists (Phase 0); lane PORT adds
-    # cmake/platform.cmake + platform/macos/ in Phase 1 and this hardcoded list becomes
-    # a velox_platform_sources() call.
-    src/rpc/platform/linux/wakeup.cpp
-    src/rpc/platform/linux/peer_id.cpp
-    src/rpc/platform/linux/instance_lock.cpp
-    src/rpc/platform/linux/runtime_paths.cpp
 )
 add_library(velox::daemon_rpc ALIAS veloxd_rpc)
 
+# Per-OS backends behind daemon/src/rpc/platform/*.hpp (docs/adr/0020, docs/08-porting.md).
+# Source selection lives in cmake/platform.cmake and nowhere else — PORT adds
+# platform/macos/ with no edit here.
+velox_platform_sources(veloxd_rpc src/rpc)
+
 target_include_directories(veloxd_rpc PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/src)
 target_compile_features(veloxd_rpc PUBLIC cxx_std_23)
 target_compile_options(veloxd_rpc PRIVATE -Wall -Wextra -Wpedantic -Werror)