--- a/m4/lftp.m4
+++ b/m4/lftp.m4
@@ -319,7 +319,6 @@
        libidn2=$withval, libidn2=yes)
      if test "$libidn2" != "no"; then
        if test "$libidn2" != "yes"; then
-         LDFLAGS="${LDFLAGS} -L$libidn2/lib"
          CPPFLAGS="${CPPFLAGS} -I$libidn2/include"
        fi
        AC_CHECK_HEADER(idn2.h,
