1 files changed, 0 insertions, 18 deletions
diff --git a/src/gc/unix/gcenv.unix.cpp b/src/gc/unix/gcenv.unix.cpp
index b21f13eb55..c176c4a350 100644
--- a/src/gc/unix/gcenv.unix.cpp
+++ b/src/gc/unix/gcenv.unix.cpp
@@ -6,28 +6,10 @@
 #include <cstddef>
 #include <cassert>
 #include <memory>
-
-// The CoreCLR PAL defines _POSIX_C_SOURCE to avoid calling non-posix pthread functions.
-// This isn't something we want, because we're totally fine using non-posix functions.
-#if defined(__APPLE__)
- #define _DARWIN_C_SOURCE
-#endif // definfed(__APPLE__)
-
 #include <pthread.h>
 #include <signal.h>
 #include "config.h"
 
-// clang typedefs uint64_t to be unsigned long long, which clashes with
-// PAL/MSVC's unsigned long, causing linker errors. This ugly hack
-// will go away once the GC doesn't depend on PAL headers.
-typedef unsigned long uint64_t_hack;
-#define uint64_t uint64_t_hack
-static_assert(sizeof(uint64_t) == 8, "unsigned long isn't 8 bytes");
-
-#ifndef __out_z
-#define __out_z
-#endif // __out_z
-
 #include "gcenv.structs.h"
 #include "gcenv.base.h"
 #include "gcenv.os.h"