diff --git a/Android.mk b/Android.mk
index 0a05aed..186b0c0 100644
--- a/Android.mk
+++ b/Android.mk
@@ -12,4 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-include $(call all-subdir-makefiles)
+# It is non-trivial to retire a project completely from the repository,
+# so we disable the build explicitly here.
+# b/13249790
+#include $(call all-subdir-makefiles)
diff --git a/daemon/Android.mk b/daemon/Android.mk.bak
similarity index 100%
rename from daemon/Android.mk
rename to daemon/Android.mk.bak
diff --git a/libabi/Android.mk b/libabi/Android.mk.bak
similarity index 100%
rename from libabi/Android.mk
rename to libabi/Android.mk.bak
diff --git a/libdb/Android.mk b/libdb/Android.mk.bak
similarity index 100%
rename from libdb/Android.mk
rename to libdb/Android.mk.bak
diff --git a/libop/Android.mk b/libop/Android.mk.bak
similarity index 100%
rename from libop/Android.mk
rename to libop/Android.mk.bak
diff --git a/libopt++/Android.mk b/libopt++/Android.mk.bak
similarity index 100%
rename from libopt++/Android.mk
rename to libopt++/Android.mk.bak
diff --git a/libpopt/Android.mk b/libpopt/Android.mk.bak
similarity index 100%
rename from libpopt/Android.mk
rename to libpopt/Android.mk.bak
diff --git a/libpp/Android.mk b/libpp/Android.mk.bak
similarity index 100%
rename from libpp/Android.mk
rename to libpp/Android.mk.bak
diff --git a/libregex/Android.mk b/libregex/Android.mk.bak
similarity index 100%
rename from libregex/Android.mk
rename to libregex/Android.mk.bak
diff --git a/libutil++/Android.mk b/libutil++/Android.mk.bak
similarity index 100%
rename from libutil++/Android.mk
rename to libutil++/Android.mk.bak
diff --git a/libutil/Android.mk b/libutil/Android.mk.bak
similarity index 100%
rename from libutil/Android.mk
rename to libutil/Android.mk.bak
diff --git a/opcontrol/Android.mk b/opcontrol/Android.mk.bak
similarity index 100%
rename from opcontrol/Android.mk
rename to opcontrol/Android.mk.bak
diff --git a/pp/Android.mk b/pp/Android.mk.bak
similarity index 100%
rename from pp/Android.mk
rename to pp/Android.mk.bak