diff --git a/deps/rabbitmq_web_dispatch/build.config b/deps/rabbitmq_web_dispatch/build.config
new file mode 100644
index 0000000000..92de7e36ff
--- /dev/null
+++ b/deps/rabbitmq_web_dispatch/build.config
@@ -0,0 +1,40 @@
+# Do *not* comment or remove core modules
+# unless you know what you are doing.
+#
+# Feel free to comment plugins out however.
+
+# Core modules.
+core/core
+index/*
+core/index
+core/deps
+
+# Plugins that must run before Erlang code gets compiled.
+plugins/protobuffs
+
+# Core modules, continued.
+core/erlc
+core/docs
+core/rel
+core/test
+core/compat
+
+# Plugins.
+plugins/asciidoc
+plugins/bootstrap
+plugins/c_src
+plugins/ci
+plugins/ct
+plugins/dialyzer
+plugins/edoc
+plugins/elvis
+plugins/erlydtl
+plugins/escript
+# plugins/eunit
+plugins/relx
+plugins/shell
+plugins/triq
+plugins/xref
+
+# Plugins enhancing the functionality of other plugins.
+plugins/cover
diff --git a/deps/rabbitmq_web_dispatch/erlang.mk b/deps/rabbitmq_web_dispatch/erlang.mk
index 952d93b112..eb68d7f50a 100644
--- a/deps/rabbitmq_web_dispatch/erlang.mk
+++ b/deps/rabbitmq_web_dispatch/erlang.mk
@@ -16,7 +16,7 @@
 
 ERLANG_MK_FILENAME := $(realpath $(lastword $(MAKEFILE_LIST)))
 
-ERLANG_MK_VERSION = 1.2.0-837-gc291aa8
+ERLANG_MK_VERSION = 1.2.0-837-gc291aa8-dirty
 
 # Core configuration.
 
@@ -6051,57 +6051,6 @@ escript:: distclean-escript deps app
 distclean-escript:
 	$(gen_verbose) rm -f $(ESCRIPT_NAME)
 
-# Copyright (c) 2014, Enrique Fernandez <enrique.fernandez@erlang-solutions.com>
-# Copyright (c) 2015, Loïc Hoguin <essen@ninenines.eu>
-# This file is contributed to erlang.mk and subject to the terms of the ISC License.
-
-.PHONY: eunit
-
-# Configuration
-
-EUNIT_OPTS ?=
-
-# Core targets.
-
-tests:: eunit
-
-help::
-	$(verbose) printf "%s\n" "" \
-		"EUnit targets:" \
-		"  eunit       Run all the EUnit tests for this project"
-
-# Plugin-specific targets.
-
-define eunit.erl
-	case "$(COVER)" of
-		"" -> ok;
-		_ ->
-			case cover:compile_beam_directory("ebin") of
-				{error, _} -> halt(1);
-				_ -> ok
-			end
-	end,
-	case eunit:test([$(call comma_list,$(1))], [$(EUNIT_OPTS)]) of
-		ok -> ok;
-		error -> halt(2)
-	end,
-	case "$(COVER)" of
-		"" -> ok;
-		_ ->
-			cover:export("eunit.coverdata")
-	end,
-	halt()
-endef
-
-EUNIT_EBIN_MODS = $(notdir $(basename $(call core_find,ebin/,*.beam)))
-EUNIT_TEST_MODS = $(notdir $(basename $(call core_find,$(TEST_DIR)/,*.beam)))
-EUNIT_MODS = $(foreach mod,$(EUNIT_EBIN_MODS) $(filter-out \
-	$(patsubst %,%_tests,$(EUNIT_EBIN_MODS)),$(EUNIT_TEST_MODS)),{module,'$(mod)'})
-
-eunit: test-build
-	$(gen_verbose) $(ERL) -pa $(TEST_DIR) $(DEPS_DIR)/*/ebin ebin \
-		-eval "$(subst $(newline),,$(subst ",\",$(call eunit.erl,$(EUNIT_MODS))))"
-
 # Copyright (c) 2013-2015, Loïc Hoguin <essen@ninenines.eu>
 # This file is part of erlang.mk and subject to the terms of the ISC License.