diff --git a/Android.mk b/Android.mk
deleted file mode 100644
index 5053e7d64..000000000
--- a/Android.mk
+++ /dev/null
@@ -1 +0,0 @@
-include $(call all-subdir-makefiles)
diff --git a/target/Android.mk b/target/Android.mk
deleted file mode 100644
index 9929b0096..000000000
--- a/target/Android.mk
+++ /dev/null
@@ -1,23 +0,0 @@
-#
-# Copyright (C) 2017 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-# Only if this Android.mk was included not by a symlink should it be used.
-# This facilitates the transition away from symlinks: b/64397960
-ifeq ($(LOCAL_PATH),build/make/target)
-include $(call first-makefiles-under,$(LOCAL_PATH))
-endif
diff --git a/tools/Android.mk b/tools/Android.mk
deleted file mode 100644
index c05d68155..000000000
--- a/tools/Android.mk
+++ /dev/null
@@ -1,23 +0,0 @@
-#
-# Copyright (C) 2010 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-# Only if this Android.mk was included not by a symlink should it be used.
-# This facilitates the transition away from symlinks: b/64397960
-ifeq ($(LOCAL_PATH),build/make/tools)
-include $(call all-makefiles-under,$(LOCAL_PATH))
-endif
diff --git a/tools/droiddoc/Android.mk b/tools/droiddoc/Android.mk
deleted file mode 100644
index ff08edc10..000000000
--- a/tools/droiddoc/Android.mk
+++ /dev/null
@@ -1,17 +0,0 @@
-# Copyright (C) 2008 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-LOCAL_PATH := $(call my-dir)
-
-# Droiddoc is now Doclava -- See external/doclava.
diff --git a/tools/signapk/Android.bp b/tools/signapk/Android.bp
index e95205d04..ad9d957dd 100644
--- a/tools/signapk/Android.bp
+++ b/tools/signapk/Android.bp
@@ -28,4 +28,10 @@ java_library_host {
     ],
 
     required: ["libconscrypt_openjdk_jni"],
+
+    // The post-build signing tools need signapk.jar (and its shared libraries,
+    // handled in their own Android.bp files)
+    dist: {
+        targets: ["droidcore"],
+    },
 }
diff --git a/tools/signapk/Android.mk b/tools/signapk/Android.mk
deleted file mode 100644
index ff54d6d84..000000000
--- a/tools/signapk/Android.mk
+++ /dev/null
@@ -1,26 +0,0 @@
-#
-# Copyright (C) 2008 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-LOCAL_PATH := $(call my-dir)
-
-ifeq ($(TARGET_BUILD_APPS),)
-# The post-build signing tools need signapk.jar and its shared libraries,
-# but we don't need this if we're just doing unbundled apps.
-my_dist_files := $(HOST_OUT_JAVA_LIBRARIES)/signapk.jar \
-    $(HOST_OUT_SHARED_LIBRARIES)/libconscrypt_openjdk_jni$(HOST_SHLIB_SUFFIX)
-
-$(call dist-for-goals,droidcore,$(my_dist_files))
-my_dist_files :=
-endif