diff --git a/m4/guestfs-ocaml.m4 b/m4/guestfs-ocaml.m4
index 9823c40b0..1023baebc 100644
--- a/m4/guestfs-ocaml.m4
+++ b/m4/guestfs-ocaml.m4
@@ -77,26 +77,6 @@ if test "x$OCAMLC" != "xno"; then
 fi
 AC_SUBST([OCAML_RUNTIME_VARIANT_PIC_OPTION])
 
-dnl Check if ocamldep has options -all and -one-line (not present in RHEL 6).
-AC_MSG_CHECKING([if ocamldep has the ‘-all’ option])
-if ocamldep -all >&AS_MESSAGE_LOG_FD 2>&1; then
-    AC_MSG_RESULT([yes])
-    OCAMLDEP_ALL="-all"
-else
-    AC_MSG_RESULT([no])
-    OCAMLDEP_ALL=""
-fi
-AC_SUBST([OCAMLDEP_ALL])
-AC_MSG_CHECKING([if ocamldep has the ‘-one-line’ option])
-if ocamldep -one-line >&AS_MESSAGE_LOG_FD 2>&1; then
-    AC_MSG_RESULT([yes])
-    OCAMLDEP_ONE_LINE="-one-line"
-else
-    AC_MSG_RESULT([no])
-    OCAMLDEP_ONE_LINE=""
-fi
-AC_SUBST([OCAMLDEP_ONE_LINE])
-
 have_Hivex_OPEN_UNSAFE=no
 if test "x$enable_daemon" = "xyes"; then
     OCAML_PKG_hivex=no
diff --git a/ocaml-dep.sh.in b/ocaml-dep.sh.in
index f82816780..21bf3812a 100755
--- a/ocaml-dep.sh.in
+++ b/ocaml-dep.sh.in
@@ -65,7 +65,7 @@ echo >> $output-t
 # 3. Generated _config.ml in srcdir: Rewrite to builddir
 # 4. Other object files below abs_top_srcdir: rewrite to corresponding builddir
 # 5. Eliminate "./" prefix
-@OCAMLFIND@ ocamldep @OCAMLDEP_ALL@ @OCAMLDEP_ONE_LINE@ $includes "$@" \
+@OCAMLFIND@ ocamldep -all -one-line $includes "$@" \
     | sed \
           -e "s,@abs_top_srcdir@/${subdir},.,g" \
           -e "s,\B${srcdir_re}/\\([^ ]*[.]\\)\\(cm[^ ]*\\|o\\),\\1\\2,g" \