diff --git a/unix/configure b/unix/configure
index 87c7948989d..a8985ff8751 100755
--- a/unix/configure
+++ b/unix/configure
@@ -8090,9 +8090,7 @@ printf "%s\n" "$ac_cv_c_bigendian" >&6; }
    no)
       ;; #(
    universal)
-
-printf "%s\n" "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
-
+     #
      ;; #(
    *)
      as_fn_error $? "unknown endianness
@@ -11216,7 +11214,6 @@ DEFS=`sed -n "$ac_script" confdefs.h`
 
 CFLAGS="${CFLAGS} ${CPPFLAGS}"; CPPFLAGS=""
 
-
 : "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
diff --git a/unix/configure.ac b/unix/configure.ac
index 33e7a329423..1c20f8ed894 100644
--- a/unix/configure.ac
+++ b/unix/configure.ac
@@ -219,7 +219,7 @@ SC_TCL_64BIT_FLAGS
 #	Tcl_UniChar strings to memcmp on big-endian systems.
 #--------------------------------------------------------------------
 
-AC_C_BIGENDIAN
+AC_C_BIGENDIAN(,,,[#])
 
 #--------------------------------------------------------------------
 #	Supply substitutes for missing POSIX library procedures, or
diff --git a/unix/tclConfig.h.in b/unix/tclConfig.h.in
index 8500afb9330..7ddfbe3806b 100644
--- a/unix/tclConfig.h.in
+++ b/unix/tclConfig.h.in
@@ -4,9 +4,6 @@
     #ifndef _TCLCONFIG
     #define _TCLCONFIG
 
-/* Define if building universal (internal helper macro) */
-#undef AC_APPLE_UNIVERSAL_BUILD
-
 /* Is gettimeofday() actually declared in <sys/time.h>? */
 #undef GETTOD_NOT_DECLARED