diff --git a/CMakeLists.txt b/CMakeLists.txt
index b2204fe588..5350e87985 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -78,20 +78,11 @@ option(BUILD_SHARED_LIBS "Build shared libraries" ON)
 option(ENABLE_ARES "Set to ON to enable c-ares support" OFF)
 if(WIN32)
   option(CURL_STATIC_CRT "Set to ON to build libcurl with static CRT on Windows (/MT)." OFF)
-  option(ENABLE_INET_PTON "Set to OFF to prevent usage of inet_pton when building against modern SDKs while still requiring compatibility with older Windows versions, such as Windows XP, Windows Server 2003 etc." ON)
   option(ENABLE_UNICODE "Set to ON to use the Unicode version of the Windows API functions" OFF)
   set(CURL_TARGET_WINDOWS_VERSION "" CACHE STRING "Minimum target Windows version as hex string")
   if(CURL_TARGET_WINDOWS_VERSION)
     add_definitions(-D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION})
     set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")
-  elseif(ENABLE_INET_PTON)
-    # _WIN32_WINNT_VISTA (0x0600)
-    add_definitions(-D_WIN32_WINNT=0x0600)
-    set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -D_WIN32_WINNT=0x0600")
-  else()
-    # _WIN32_WINNT_WINXP (0x0501)
-    add_definitions(-D_WIN32_WINNT=0x0501)
-    set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -D_WIN32_WINNT=0x0501")
   endif()
   if(ENABLE_UNICODE)
     add_definitions(-DUNICODE -D_UNICODE)