diff --git a/fuzz/build.sh b/fuzz/build.sh
deleted file mode 100755
index 21644a6e..00000000
--- a/fuzz/build.sh
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/bin/bash -eu
-# Copyright 2021 Google LLC
-#
-# 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.
-#
-################################################################################
-
-mkdir build-dir && cd build-dir
-cmake -DENABLE_ROARING_TESTS=OFF ..
-make -j$(nproc)
-
-$CC $CFLAGS  \
-     -I$SRC/croaring/include \
-     -c $SRC/croaring_fuzzer.c -o fuzzer.o
-
-$CXX $CXXFLAGS $LIB_FUZZING_ENGINE fuzzer.o   \
-     -o $OUT/croaring_fuzzer $SRC/croaring/build-dir/src/libroaring.a
-
-$CXX $CFLAGS $CXXFLAGS  \
-     -I$SRC/croaring/include \
-     -I$SRC/croaring \
-     -c $SRC/croaring_fuzzer_cc.cc -o fuzzer_cc.o
-
-$CXX $CXXFLAGS $LIB_FUZZING_ENGINE fuzzer_cc.o   \
-     -o $OUT/croaring_fuzzer_cc $SRC/croaring/build-dir/src/libroaring.a
-
-zip $OUT/croaring_fuzzer_seed_corpus.zip $SRC/croaring/tests/testdata/*bin
-cp $SRC/croaring/tests/testdata/*bin $OUT/