diff --git a/CMake/unix-cache.cmake b/CMake/unix-cache.cmake
index e0e1d8f947..f76c639149 100644
--- a/CMake/unix-cache.cmake
+++ b/CMake/unix-cache.cmake
@@ -59,11 +59,7 @@ endif()
 set(HAVE_FCNTL 1)
 set(HAVE_FCNTL_H 1)
 set(HAVE_FCNTL_O_NONBLOCK 1)
-if(CMAKE_SYSTEM_NAME STREQUAL "iOS")
-  set(HAVE_FILE_OFFSET_BITS 0)
-else()
-  set(HAVE_FILE_OFFSET_BITS 1)
-endif()
+set(HAVE_FILE_OFFSET_BITS 1)
 set(HAVE_FNMATCH 1)
 set(HAVE_FREEADDRINFO 1)
 set(HAVE_FSEEKO 1)
@@ -222,23 +218,14 @@ set(HAVE_SIGINTERRUPT 1)
 set(HAVE_SIGNAL 1)
 set(HAVE_SIGSETJMP 1)
 set(HAVE_SNPRINTF 1)
-if(CMAKE_SYSTEM_NAME STREQUAL "iOS")
-  set(HAVE_SOCKADDR_IN6_SIN6_ADDR 0)
-else()
-  set(HAVE_SOCKADDR_IN6_SIN6_ADDR 1)
-endif()
+set(HAVE_SOCKADDR_IN6_SIN6_ADDR 1)
 set(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1)
 set(HAVE_SOCKET 1)
 set(HAVE_SOCKETPAIR 1)
 set(HAVE_STDATOMIC_H 1)
 set(HAVE_STDBOOL_H 1)
-if(CMAKE_SYSTEM_NAME STREQUAL "iOS")
-  set(HAVE_STDDEF_H 0)
-  set(HAVE_STDINT_H 0)
-else()
-  set(HAVE_STDDEF_H 1)
-  set(HAVE_STDINT_H 1)
-endif()
+set(HAVE_STDDEF_H 1)
+set(HAVE_STDINT_H 1)
 set(HAVE_STRCASECMP 1)
 set(HAVE_STRCMPI 0)
 set(HAVE_STRDUP 1)