diff --git a/Utilities/cmcurl/CMakeLists.txt b/Utilities/cmcurl/CMakeLists.txt
index b766aee425..ad50e64ce6 100644
--- a/Utilities/cmcurl/CMakeLists.txt
+++ b/Utilities/cmcurl/CMakeLists.txt
@@ -466,13 +466,6 @@ if(ENABLE_IPV6 AND NOT WIN32)
 
   if(CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND NOT ENABLE_ARES)
     set(use_core_foundation_and_core_services ON)
-
-    find_library(SYSTEMCONFIGURATION_FRAMEWORK "SystemConfiguration")
-    if(NOT SYSTEMCONFIGURATION_FRAMEWORK)
-      message(FATAL_ERROR "SystemConfiguration framework not found")
-    endif()
-
-    list(APPEND CURL_LIBS "-framework SystemConfiguration")
   endif()
 endif()
 if(ENABLE_IPV6)
diff --git a/Utilities/cmcurl/lib/curl_setup.h b/Utilities/cmcurl/lib/curl_setup.h
index f7ba7e92a5..e4663cbf36 100644
--- a/Utilities/cmcurl/lib/curl_setup.h
+++ b/Utilities/cmcurl/lib/curl_setup.h
@@ -316,12 +316,6 @@
  * performing this task will result in a synthesized IPv6 address.
  */
 #if defined(__APPLE__) && !defined(USE_ARES)
-#include <TargetConditionals.h>
-#define USE_RESOLVE_ON_IPS 1
-#  if TARGET_OS_MAC && !(defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && \
-     defined(USE_IPV6)
-#    define CURL_MACOS_CALL_COPYPROXIES 1
-#  endif
 #endif
 
 #ifdef USE_LWIPSOCK