--- a/config/recurse.mk
+++ b/config/recurse.mk
@@ -139,16 +139,19 @@ recurse:
 	@$(RECURSED_COMMAND)
 	$(LOOP_OVER_DIRS)
 
 ifeq (.,$(DEPTH))
 # Interdependencies for parallel export.
 js/xpconnect/src/export: dom/bindings/export xpcom/xpidl/export
 accessible/xpcom/export: xpcom/xpidl/export
 
+# XPIDL generation requires the idl-parser files to be generated.
+xpcom/xpidl/export: xpcom/idl-parser/xpidl/export
+
 # The widget binding generator code is part of the annotationProcessors.
 widget/android/bindings/export: build/annotationProcessors/export
 
 # The roboextender addon includes a classes.dex containing a test Java addon.
 # The test addon must be built first.
 mobile/android/tests/browser/robocop/roboextender/tools: mobile/android/tests/javaaddons/tools
 
 ifdef ENABLE_CLANG_PLUGIN

--- a/xpcom/xpidl/Makefile.in
+++ b/xpcom/xpidl/Makefile.in
@@ -1,11 +1,10 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 export::
-	$(call SUBMAKE,xpidllex.py,$(DEPTH)/xpcom/idl-parser/xpidl)
 	$(call py_action,process_install_manifest,$(DIST)/idl $(DEPTH)/_build_manifests/install/dist_idl)
 	$(call SUBMAKE,xpidl,$(DEPTH)/config/makefiles/xpidl)
 
 clean clobber realclean clobber_all distclean::
 	$(call SUBMAKE,$@,$(DEPTH)/config/makefiles/xpidl)