diff --git a/coin_chk_lapack.m4 b/coin_chk_lapack.m4
index 3314f97..0156a0e 100644
--- a/coin_chk_lapack.m4
+++ b/coin_chk_lapack.m4
@@ -113,55 +113,7 @@ dnl can arrange that explicitly.
         esac
       ;;
 
-      *-cygwin* | *-mingw* | *-msys*)
-dnl Check for 64-bit sequential MKL in $LIB
-        old_IFS="$IFS"
-        IFS=";"
-        coin_mkl=""
-        for d in $LIB ; do
-          # turn $d into unix-style short path (no spaces); cannot do -us,
-          # so first do -ws, then -u
-          d=`cygpath -ws "$d"`
-          d=`cygpath -u "$d"`
-          if test "$enable_shared" = yes ; then
-            if test -e "$d/mkl_core_dll.lib" ; then
-              case " $2 " in
-                *\ int64\ * ) coin_mkl="$d/mkl_intel_ilp64_dll.lib $d/mkl_sequential_dll.lib $d/mkl_core_dll.lib" ;;
-                *)          coin_mkl="$d/mkl_intel_lp64_dll.lib $d/mkl_sequential_dll.lib $d/mkl_core_dll.lib" ;;
-              esac
-              break
-            fi
-          else
-            if test -e "$d/mkl_core.lib" ; then
-              case " $2 " in
-                *\ int64\ * ) coin_mkl="$d/mkl_intel_ilp64.lib $d/mkl_sequential.lib $d/mkl_core.lib" ;;
-                *)          coin_mkl="$d/mkl_intel_lp64.lib $d/mkl_sequential.lib $d/mkl_core.lib" ;;
-              esac
-              break
-            fi
-          fi
-        done
-        IFS="$old_IFS"
-        if test -n "$coin_mkl" ; then
-           AC_COIN_TRY_LINK([dsyev],[$coin_mkl],[],
-               [coin_has_lapack=yes
-                lapack_lflags="$coin_mkl"
-                lapack_what="Intel MKL ($lapack_lflags)"
-               ],,no)
-        fi
-      ;;
-
       *-darwin*)
-        case " $2 " in
-          *\ int64\ * ) coin_mkl="-lmkl_intel_ilp64 -lmkl_sequential -lmkl_core -lm" ;;
-          *)          coin_mkl="-lmkl_intel_lp64 -lmkl_sequential -lmkl_core -lm" ;;
-        esac
-        AC_COIN_TRY_LINK([dsyev],
-          [$coin_mkl],[],
-          [coin_has_lapack=yes
-           lapack_lflags="$coin_mkl"
-           lapack_what="Intel MKL ($lapack_lflags)"
-          ],,no)
         if test "$coin_has_lapack" = no ; then
           case " $2 " in
             *\ int64\ * ) ;;