diff -Naur ./swift-corelibs-libdispatch-orig/src/internal.h ./swift-corelibs-libdispatch/src/internal.h
--- ./swift-corelibs-libdispatch-orig/src/internal.h	2019-07-02 10:24:46.257356055 -0500
+++ ./swift-corelibs-libdispatch/src/internal.h	2019-07-02 10:25:26.384952870 -0500
@@ -273,7 +273,6 @@
 #ifdef __ANDROID__
 #include <linux/sysctl.h>
 #else
-#include <sys/sysctl.h>
 #include <sys/queue.h>
 #endif /* __ANDROID__ */
 #include <sys/socket.h>
diff -Naur ./swift-corelibs-libdispatch-orig/tests/dispatch_apply.c ./swift-corelibs-libdispatch/tests/dispatch_apply.c
--- ./swift-corelibs-libdispatch-orig/tests/dispatch_apply.c	2019-07-02 10:24:46.224354738 -0500
+++ ./swift-corelibs-libdispatch/tests/dispatch_apply.c	2019-07-02 10:26:18.882939254 -0500
@@ -31,8 +31,6 @@
 #include <sys/types.h>
 #ifdef __ANDROID__
 #include <linux/sysctl.h>
-#else
-#include <sys/sysctl.h>
 #endif /* __ANDROID__ */
 
 #include <bsdtests.h>
diff -Naur ./swift-corelibs-libdispatch-orig/tests/dispatch_concur.c ./swift-corelibs-libdispatch/tests/dispatch_concur.c
--- ./swift-corelibs-libdispatch-orig/tests/dispatch_concur.c	2019-07-02 10:24:46.224354738 -0500
+++ ./swift-corelibs-libdispatch/tests/dispatch_concur.c	2019-07-02 10:26:37.290635752 -0500
@@ -28,8 +28,6 @@
 #include <sys/types.h>
 #ifdef __ANDROID__
 #include <linux/sysctl.h>
-#else
-#include <sys/sysctl.h>
 #endif /* __ANDROID__ */
 
 #include <bsdtests.h>
diff -Naur ./swift-corelibs-libdispatch-orig/tests/dispatch_priority.c ./swift-corelibs-libdispatch/tests/dispatch_priority.c
--- ./swift-corelibs-libdispatch-orig/tests/dispatch_priority.c	2019-07-02 10:24:46.226354818 -0500
+++ ./swift-corelibs-libdispatch/tests/dispatch_priority.c	2019-07-02 10:26:49.918113542 -0500
@@ -32,8 +32,6 @@
 #include <sys/types.h>
 #ifdef __ANDROID__
 #include <linux/sysctl.h>
-#else
-#include <sys/sysctl.h>
 #endif /* __ANDROID__ */
 
 #include <bsdtests.h>
diff -Naur ./swift-corelibs-libdispatch-orig/tests/dispatch_readsync.c ./swift-corelibs-libdispatch/tests/dispatch_readsync.c
--- ./swift-corelibs-libdispatch-orig/tests/dispatch_readsync.c	2019-07-02 10:24:46.227354858 -0500
+++ ./swift-corelibs-libdispatch/tests/dispatch_readsync.c	2019-07-02 10:27:08.247807089 -0500
@@ -26,8 +26,6 @@
 #endif
 #ifdef __ANDROID__
 #include <linux/sysctl.h>
-#else
-#include <sys/sysctl.h>
 #endif /* __ANDROID__ */
 #include <assert.h>
 
diff -Naur ./swift-corelibs-libdispatch-orig/tests/dispatch_vm.c ./swift-corelibs-libdispatch/tests/dispatch_vm.c
--- ./swift-corelibs-libdispatch-orig/tests/dispatch_vm.c	2019-07-02 10:24:46.230354978 -0500
+++ ./swift-corelibs-libdispatch/tests/dispatch_vm.c	2019-07-02 10:27:22.443347702 -0500
@@ -30,8 +30,6 @@
 #include <assert.h>
 #ifdef __ANDROID__
 #include <linux/sysctl.h>
-#else
-#include <sys/sysctl.h>
 #endif /* __ANDROID__ */
 #include <stdarg.h>
 #include <time.h>
diff -Naur ./swift-corelibs-libdispatch-orig/tests/Foundation/bench.mm ./swift-corelibs-libdispatch/tests/Foundation/bench.mm
--- ./swift-corelibs-libdispatch-orig/tests/Foundation/bench.mm	2019-07-02 10:24:46.231355018 -0500
+++ ./swift-corelibs-libdispatch/tests/Foundation/bench.mm	2019-07-02 10:25:41.562527148 -0500
@@ -22,8 +22,6 @@
 #include <libkern/OSAtomic.h>
 #ifdef __ANDROID__
 #include <linux/sysctl.h>
-#else
-#include <sys/sysctl.h>
 #endif /* __ANDROID__ */
 #include <mach/mach.h>
 #include <mach/mach_time.h>