diff --git a/configure.ac b/configure.ac
index d36b1ca8..8c235d07 100644
--- a/configure.ac
+++ b/configure.ac
@@ -346,15 +346,7 @@ AM_CONDITIONAL([HAVE_LIBUDEV], [test x$libudev != xno])
 PKG_PROG_PKG_CONFIG()
 
 if test "x$ztex" != xno; then
-  case $target in
-    *-*-freebsd*)
-      LIBUSB_LIBS="-lusb"
-      LIBUSB_CFLAGS=""
-      ;;
-    *)
-      PKG_CHECK_MODULES(LIBUSB, libusb-1.0, [AC_DEFINE(HAVE_LIBUSB, 1, [Define if you have libusb-1.0])], [AC_MSG_ERROR([Could not find usb library - please install libusb-1.0])])
-      ;;
-  esac
+  PKG_CHECK_MODULES(LIBUSB, libusb-1.0, [AC_DEFINE(HAVE_LIBUSB, 1, [Define if you have libusb-1.0])], [AC_MSG_ERROR([Could not find usb library - please install libusb-1.0])])
   USB_LIBS="$LIBUSB_LIBS"
   USB_FLAGS="$LIBUSB_CFLAGS"
 fi