diff --git a/projects/harfbuzz/build.sh b/projects/harfbuzz/build.sh
index f8ca0e38b0eb..f55e1697e606 100755
--- a/projects/harfbuzz/build.sh
+++ b/projects/harfbuzz/build.sh
@@ -15,6 +15,10 @@
 #
 ################################################################################
 
+# Disable UBSan vptr since target built with -fno-rtti.
+export CFLAGS="$CFLAGS -fno-sanitize=vptr"
+export CXXFLAGS="$CXXFLAGS -fno-sanitize=vptr"
+
 # Build the library.
 ./autogen.sh
 ./configure
diff --git a/projects/harfbuzz/project.yaml b/projects/harfbuzz/project.yaml
index 892fa2a301b6..841a9168a7af 100644
--- a/projects/harfbuzz/project.yaml
+++ b/projects/harfbuzz/project.yaml
@@ -1,4 +1,2 @@
 homepage: "http://www.harfbuzz.org/"
 primary_contact: "behdad@google.com"
-sanitizers:
-- address