diff --git a/support/src/utils/unix.cpp b/support/src/utils/unix.cpp
index 2f820aca..038019f8 100644
--- a/support/src/utils/unix.cpp
+++ b/support/src/utils/unix.cpp
@@ -88,11 +88,7 @@ namespace {
 } // namespace
 
 namespace repertory::utils {
-#if defined(__APPLE__)
-auto convert_to_uint64(pthread_t thread) -> std::uint64_t {
-  return reinterpret_cast<std::uintptr_t>(thread);
-}
-#else  // defined(__APPLE__)
+#if !defined(__APPLE__)
 auto convert_to_uint64(const pthread_t &thread) -> std::uint64_t {
   return static_cast<std::uint64_t>(thread);
 }