diff --git a/core/base_rules.mk b/core/base_rules.mk
index 94aa1e4..ed5820b 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -167,19 +167,14 @@
   ifeq (true,$(LOCAL_UNINSTALLABLE_MODULE))
     $(call pretty-warning,LOCAL_MODULE_TAGS := $(my_bad_module_tags) does not do anything for uninstallable modules)
   endif
-  ifneq ($(BUILD_BROKEN_ENG_DEBUG_TAGS),true)
-    $(call pretty-error,LOCAL_MODULE_TAGS := $(my_bad_module_tags) is obsolete. See $(CHANGES_URL)#LOCAL_MODULE_TAGS)
-  else
-    $(call pretty-warning,LOCAL_MODULE_TAGS := $(my_bad_module_tags) is deprecated. See $(CHANGES_URL)#LOCAL_MODULE_TAGS)
-  endif
-  my_bad_module_tags :=
+  $(call pretty-error,LOCAL_MODULE_TAGS := $(my_bad_module_tags) is obsolete. See $(CHANGES_URL)#LOCAL_MODULE_TAGS)
 endif
 
 # Only the tags mentioned in this test are expected to be set by module
 # makefiles. Anything else is either a typo or a source of unexpected
 # behaviors.
-ifneq ($(filter-out debug eng tests optional samples,$(my_module_tags)),)
-$(call pretty-error,unusual tags: $(filter-out debug eng tests optional samples,$(my_module_tags)))
+ifneq ($(filter-out tests optional samples,$(my_module_tags)),)
+$(call pretty-error,unusual tags: $(filter-out tests optional samples,$(my_module_tags)))
 endif
 
 # Add implicit tags.
diff --git a/core/board_config.mk b/core/board_config.mk
index e14ba00..851bf8a 100644
--- a/core/board_config.mk
+++ b/core/board_config.mk
@@ -87,7 +87,6 @@
 _build_broken_var_list := \
   BUILD_BROKEN_ANDROIDMK_EXPORTS \
   BUILD_BROKEN_DUP_RULES \
-  BUILD_BROKEN_ENG_DEBUG_TAGS \
   BUILD_BROKEN_USES_NETWORK \
 
 _build_broken_var_list += \
diff --git a/core/config.mk b/core/config.mk
index 57c1d7a..8d08495 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -97,6 +97,7 @@
 $(KATI_obsolete_var TARGET_ROOT_OUT_SBIN_UNSTRIPPED,/sbin has been removed, use /system/bin instead)
 $(KATI_obsolete_var BUILD_BROKEN_PHONY_TARGETS)
 $(KATI_obsolete_var BUILD_BROKEN_DUP_COPY_HEADERS)
+$(KATI_obsolete_var BUILD_BROKEN_ENG_DEBUG_TAGS)
 
 # This is marked as obsolete in envsetup.mk after reading the BoardConfig.mk
 $(KATI_deprecate_export It is a global setting. See $(CHANGES_URL)#export_keyword)
diff --git a/core/main.mk b/core/main.mk
index e1c64fa..1afa950 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -1450,7 +1450,6 @@
     $(ALL_DEFAULT_INSTALLED_MODULES) \
     $(product_target_FILES) \
     $(product_host_FILES) \
-    $(call get-tagged-modules,$(tags_to_install)) \
     $(CUSTOM_MODULES) \
   )