diff --git a/libc/Android.mk b/libc/Android.mk
index 1ce2feb..5e41741 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -281,8 +281,12 @@
 	bionic/ssp.c \
 	bionic/stubs.c \
 	bionic/system_properties.c \
+	bionic/tdelete.c \
+	bionic/tdestroy.c \
 	bionic/time64.c \
+	bionic/tfind.c \
 	bionic/thread_atexit.c \
+	bionic/tsearch.c \
 	bionic/utime.c \
 	bionic/utmp.c \
 	netbsd/gethnamaddr.c \