diff --git a/core/Makefile b/core/Makefile
index f3b4c6a..40c374f 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1346,19 +1346,14 @@
 $(installed_odm_notice_xml_gz): $(target_odm_notice_file_xml_gz)
 	$(copy-file-to-target)
 
-# if we've been run my mm, mmm, etc, don't reinstall this every time
-ifeq ($(ONE_SHOT_MAKEFILE),)
-  ALL_DEFAULT_INSTALLED_MODULES += $(installed_notice_html_or_xml_gz)
-  ALL_DEFAULT_INSTALLED_MODULES += $(installed_vendor_notice_xml_gz)
-  ALL_DEFAULT_INSTALLED_MODULES += $(installed_product_notice_xml_gz)
-  ALL_DEFAULT_INSTALLED_MODULES += $(installed_system_ext_notice_xml_gz)
-  ALL_DEFAULT_INSTALLED_MODULES += $(installed_odm_notice_xml_gz)
-endif
+ALL_DEFAULT_INSTALLED_MODULES += $(installed_notice_html_or_xml_gz)
+ALL_DEFAULT_INSTALLED_MODULES += $(installed_vendor_notice_xml_gz)
+ALL_DEFAULT_INSTALLED_MODULES += $(installed_product_notice_xml_gz)
+ALL_DEFAULT_INSTALLED_MODULES += $(installed_system_ext_notice_xml_gz)
+ALL_DEFAULT_INSTALLED_MODULES += $(installed_odm_notice_xml_gz)
 endif # PRODUCT_NOTICE_SPLIT
 
-ifeq ($(ONE_SHOT_MAKEFILE),)
-  ALL_DEFAULT_INSTALLED_MODULES += $(installed_notice_html_or_xml_gz)
-endif
+ALL_DEFAULT_INSTALLED_MODULES += $(installed_notice_html_or_xml_gz)
 
 $(eval $(call combine-notice-files, html, \
 	        $(tools_notice_file_txt), \
diff --git a/core/binary.mk b/core/binary.mk
index 531e4c3..835843f 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -1403,15 +1403,9 @@
 # libraries have already been linked into the module at that point.
 # We do, however, care about the NOTICE files for any static
 # libraries that we use. (see notice_files.mk)
-#
-# Don't do this in mm, since many of the targets won't exist.
-ifeq ($(ONE_SHOT_MAKEFILE),)
 installed_static_library_notice_file_targets := \
     $(foreach lib,$(my_static_libraries) $(my_whole_static_libraries), \
       NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST$(if $(my_host_cross),_CROSS,),TARGET)-STATIC_LIBRARIES-$(lib))
-else
-installed_static_library_notice_file_targets :=
-endif
 
 $(notice_target): | $(installed_static_library_notice_file_targets)
 $(LOCAL_INSTALLED_MODULE): | $(notice_target)
diff --git a/core/config.mk b/core/config.mk
index 36b944b..c14a2d2 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -138,6 +138,9 @@
   .KATI_READONLY := TARGET_DEVICE_DIR
 endif
 
+ONE_SHOT_MAKEFILE :=
+.KATI_READONLY := ONE_SHOT_MAKEFILE
+
 # Set up efficient math functions which are used in make.
 # Here since this file is included by envsetup as well as during build.
 include $(BUILD_SYSTEM_COMMON)/math.mk
@@ -470,9 +473,6 @@
 ifneq ($(filter true,$(SOONG_ALLOW_MISSING_DEPENDENCIES)),)
 ALLOW_MISSING_DEPENDENCIES := true
 endif
-ifneq ($(ONE_SHOT_MAKEFILE),)
-ALLOW_MISSING_DEPENDENCIES := true
-endif
 .KATI_READONLY := ALLOW_MISSING_DEPENDENCIES
 
 TARGET_BUILD_APPS_USE_PREBUILT_SDK :=
diff --git a/core/java_common.mk b/core/java_common.mk
index ff2886e..cb88a9e 100644
--- a/core/java_common.mk
+++ b/core/java_common.mk
@@ -494,13 +494,9 @@
 ##########################################################
 # Copy NOTICE files of transitive static dependencies
 # Don't do this in mm, since many of the targets won't exist.
-ifeq ($(ONE_SHOT_MAKEFILE),)
 installed_static_library_notice_file_targets := \
     $(foreach lib,$(LOCAL_STATIC_JAVA_LIBRARIES), \
       NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST$(if $(my_host_cross),_CROSS,),TARGET)-JAVA_LIBRARIES-$(lib))
-else
-installed_static_library_notice_file_targets :=
-endif
 
 $(notice_target): | $(installed_static_library_notice_file_targets)
 $(LOCAL_INSTALLED_MODULE): | $(notice_target)
diff --git a/core/main.mk b/core/main.mk
index 4e16c4a..214e16d 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -429,43 +429,6 @@
 subdir_makefiles_inc := .
 FULL_BUILD :=
 
-ifneq ($(ONE_SHOT_MAKEFILE),)
-# We've probably been invoked by the "mm" shell function
-# with a subdirectory's makefile.
-include $(SOONG_ANDROID_MK) $(wildcard $(ONE_SHOT_MAKEFILE))
-# Change CUSTOM_MODULES to include only modules that were
-# defined by this makefile; this will install all of those
-# modules as a side-effect.  Do this after including ONE_SHOT_MAKEFILE
-# so that the modules will be installed in the same place they
-# would have been with a normal make.
-CUSTOM_MODULES := $(sort $(call get-tagged-modules,$(ALL_MODULE_TAGS)))
-
-# A helper goal printing out install paths
-define register_module_install_path
-.PHONY: GET-MODULE-INSTALL-PATH-$(1)
-GET-MODULE-INSTALL-PATH-$(1):
-	echo 'INSTALL-PATH: $(1) $(ALL_MODULES.$(1).INSTALLED)'
-endef
-
-SORTED_ALL_MODULES := $(sort $(ALL_MODULES))
-UNIQUE_ALL_MODULES :=
-$(foreach m,$(SORTED_ALL_MODULES),\
-    $(if $(call streq,$(m),$(lastword $(UNIQUE_ALL_MODULES))),,\
-        $(eval UNIQUE_ALL_MODULES += $(m))))
-SORTED_ALL_MODULES :=
-
-$(foreach mod,$(UNIQUE_ALL_MODULES),$(if $(ALL_MODULES.$(mod).INSTALLED),\
-    $(eval $(call register_module_install_path,$(mod)))\
-    $(foreach path,$(ALL_MODULES.$(mod).PATH),\
-        $(eval my_path_prefix := GET-INSTALL-PATH-IN)\
-        $(foreach component,$(subst /,$(space),$(path)),\
-            $(eval my_path_prefix := $$(my_path_prefix)-$$(component))\
-            $(eval .PHONY: $$(my_path_prefix))\
-            $(eval $$(my_path_prefix): GET-MODULE-INSTALL-PATH-$(mod))))))
-UNIQUE_ALL_MODULES :=
-
-else # ONE_SHOT_MAKEFILE
-
 ifneq ($(dont_bother),true)
 FULL_BUILD := true
 #
@@ -487,8 +450,6 @@
 
 endif # dont_bother
 
-endif # ONE_SHOT_MAKEFILE
-
 ifndef subdir_makefiles_total
 subdir_makefiles_total := $(words init post finish)
 endif
@@ -714,7 +675,7 @@
     $(eval req_files := )\
     $(foreach req_mod,$(req_mods), \
       $(eval req_file := $(filter $(TARGET_OUT_ROOT)/%, $(call module-installed-files,$(req_mod)))) \
-      $(if $(strip $(req_file))$(ONE_SHOT_MAKEFILE),\
+      $(if $(strip $(req_file)),\
         ,\
         $(error $(m).LOCAL_TARGET_REQUIRED_MODULES : illegal value $(req_mod) : not a device module. If you want to specify host modules to be required to be installed along with your host module, add those module names to LOCAL_REQUIRED_MODULES instead)\
       )\
@@ -740,7 +701,7 @@
     $(eval req_files := )\
     $(foreach req_mod,$(req_mods), \
       $(eval req_file := $(filter $(HOST_OUT)/%, $(call module-installed-files,$(req_mod)))) \
-      $(if $(strip $(req_file))$(ONE_SHOT_MAKEFILE),\
+      $(if $(strip $(req_file)),\
         ,\
         $(error $(m).LOCAL_HOST_REQUIRED_MODULES : illegal value $(req_mod) : not a host module. If you want to specify target modules to be required to be installed along with your target module, add those module names to LOCAL_REQUIRED_MODULES instead)\
       )\
diff --git a/core/tasks/module-info.mk b/core/tasks/module-info.mk
index eb31380..f6cec15 100644
--- a/core/tasks/module-info.mk
+++ b/core/tasks/module-info.mk
@@ -24,10 +24,6 @@
 	$(hide) echo '}' >> $@
 
 
-# If ONE_SHOT_MAKEFILE is set, our view of the world is smaller, so don't
-# rewrite the file in that came.
-ifndef ONE_SHOT_MAKEFILE
 droidcore: $(MODULE_INFO_JSON)
-endif
 
 $(call dist-for-goals, general-tests, $(MODULE_INFO_JSON))
diff --git a/core/tasks/sdk-addon.mk b/core/tasks/sdk-addon.mk
index 62d9aa6..7f777a5 100644
--- a/core/tasks/sdk-addon.mk
+++ b/core/tasks/sdk-addon.mk
@@ -14,8 +14,6 @@
 
 .PHONY: sdk_addon
 
-ifndef ONE_SHOT_MAKEFILE
-
 # If they didn't define PRODUCT_SDK_ADDON_NAME, then we won't define
 # any of these rules.
 addon_name := $(PRODUCT_SDK_ADDON_NAME)
@@ -150,5 +148,3 @@
 $(error Trying to build sdk_addon, but product '$(INTERNAL_PRODUCT)' does not define one)
 endif
 endif # addon_name
-
-endif # !ONE_SHOT_MAKEFILE