diff --git a/build/Makefile.in b/build/Makefile.in
deleted file mode 100644
index 2f284c253e24..000000000000
--- a/build/Makefile.in
+++ /dev/null
@@ -1,20 +0,0 @@
-#
-# 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/.
-
-ifdef MOZTTDIR
-# Install the Firefox OS fonts.
-include $(MOZTTDIR)/fonts.mk
-MOZTT_DEST = $(FINAL_TARGET)/fonts
-MOZTT_FILES = $(patsubst external/moztt/%,$(MOZTTDIR)/%,$(filter external/moztt/%,$(subst :, ,$(PRODUCT_COPY_FILES))))
-INSTALL_TARGETS += MOZTT
-endif
-
-include $(topsrcdir)/config/rules.mk
-
-TARGET_DEPTH = ..
-include $(srcdir)/automation-build.mk
-
-libs:: automation.py
-