diff --git a/projects/c-ares/build.sh b/projects/c-ares/build.sh
index decac1193..2d68ee7e1 100755
--- a/projects/c-ares/build.sh
+++ b/projects/c-ares/build.sh
@@ -15,12 +15,6 @@
 #
 ################################################################################
 
-# Remove -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION from CFLAGS
-# as a workaround for https://github.com/google/oss-fuzz/issues/413.
-# It's unclear why the c-ares configure is that picky;
-# a better fix would probably be in the c-ares build system.
-CFLAGS=$(for f in $CFLAGS; do [ $f != "-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION" ] && echo $f; done);
-
 # Build the project.
 ./buildconf
 ./configure --enable-debug
@@ -28,16 +22,16 @@ make clean
 make -j$(nproc) V=1 all
 
 # Build the fuzzers.
-$CC $CFLAGS -I. -c $SRC/c-ares/test/ares-test-fuzz.c -o $WORK/ares-test-fuzz.o
+$CC $CFLAGS -Iinclude -Isrc/lib -c $SRC/c-ares/test/ares-test-fuzz.c -o $WORK/ares-test-fuzz.o
 $CXX $CXXFLAGS -std=c++11 $WORK/ares-test-fuzz.o \
     -o $OUT/ares_parse_reply_fuzzer \
-    $LIB_FUZZING_ENGINE $SRC/c-ares/.libs/libcares.a
+    $LIB_FUZZING_ENGINE $SRC/c-ares/src/lib/.libs/libcares.a
 
-$CC $CFLAGS -I. -c $SRC/c-ares/test/ares-test-fuzz-name.c \
+$CC $CFLAGS -Iinclude -Isrc/lib -c $SRC/c-ares/test/ares-test-fuzz-name.c \
     -o $WORK/ares-test-fuzz-name.o
 $CXX $CXXFLAGS -std=c++11 $WORK/ares-test-fuzz-name.o \
     -o $OUT/ares_create_query_fuzzer \
-    $LIB_FUZZING_ENGINE $SRC/c-ares/.libs/libcares.a
+    $LIB_FUZZING_ENGINE $SRC/c-ares/src/lib/.libs/libcares.a
 
 # Archive and copy to $OUT seed corpus if the build succeeded.
 zip -j $OUT/ares_parse_reply_fuzzer_seed_corpus.zip $SRC/c-ares/test/fuzzinput/*
diff --git a/projects/c-ares/project.yaml b/projects/c-ares/project.yaml
index 55616eca1..1df8a19f0 100644
--- a/projects/c-ares/project.yaml
+++ b/projects/c-ares/project.yaml
@@ -5,12 +5,10 @@ fuzzing_engines:
   - afl
   - libfuzzer
   - honggfuzz
-  - dataflow
 sanitizers:
   - address
   - memory
   - undefined
-  - dataflow
 architectures:
   - x86_64
   - i386