diff --git a/c_check b/c_check
index fbd1838a..e10def2e 100644
--- a/c_check
+++ b/c_check
@@ -263,18 +263,6 @@ if ($architecture ne $hostarch) {
 
 $cross = 1 if ($os ne $hostos);
 
-# rework cross suffix and architecture if we are on OSX cross-compiling for ARMV8-based IOS
-# the initial autodetection will have been confused by the command-line arguments to clang
-# and the cross-compiler apparently still claims to build for x86_64 in its CC -E output
-if (($os eq "Darwin") && ($cross_suffix ne "")) {
-  my $tmpnam = `xcrun --sdk iphoneos --find clang`;
-  $cross_suffix = substr($tmpnam, 0, rindex($tmpnam, "/")+1 ); 
-# this should produce something like $cross_suffix="/Applications/Xcode-10.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/";
-  $cross =1;
-  $architecture = arm64;
-}
-
-
 
 $openmp = "" if $ENV{USE_OPENMP} != 1;