diff --git a/Makefile b/Makefile
index 933d1d3..4d40612 100644
--- a/Makefile
+++ b/Makefile
@@ -107,11 +107,7 @@ boost: iconv
 	$(script)/boost/fetch.sh
 	$(script)/boost/build.sh
 
-zlib: toolchain
-	$(script)/zlib/fetch.sh
-	$(script)/zlib/build.sh
-
-openssl: zlib
+openssl: toolchain
 	$(script)/openssl/fetch.sh
 	$(script)/openssl/build.sh
 
diff --git a/etc/scripts/build-external-libs/openssl/build.sh b/etc/scripts/build-external-libs/openssl/build.sh
index 96945d9..cdb28a6 100755
--- a/etc/scripts/build-external-libs/openssl/build.sh
+++ b/etc/scripts/build-external-libs/openssl/build.sh
@@ -73,9 +73,8 @@ for arch in ${archs[@]}; do
 
         ./Configure android-${arch} \
                     --prefix=${PREFIX} \
+                    no-comp \
                     -D__ANDROID_API__=$ANDROID_API \
-                    --with-zlib-include=${ZLIB_PATH}/include \
-                    --with-zlib-lib=${ZLIB_PATH}/lib \
             && make -j${NPROC} && make install && make clean \
     )
 
diff --git a/etc/scripts/build-external-libs/zlib/build.sh b/etc/scripts/build-external-libs/zlib/build.sh
deleted file mode 100755
index 41a5f6c..0000000
--- a/etc/scripts/build-external-libs/zlib/build.sh
+++ /dev/null
@@ -1,76 +0,0 @@
-#!/bin/bash
-
-# Copyright (c) 2019, The Wownero Project
-# Copyright (c) 2014-2019, The Monero Project
-#
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without modification, are
-# permitted provided that the following conditions are met:
-#
-# 1. Redistributions of source code must retain the above copyright notice, this list of
-#    conditions and the following disclaimer.
-#
-# 2. Redistributions in binary form must reproduce the above copyright notice, this list
-#    of conditions and the following disclaimer in the documentation and/or other
-#    materials provided with the distribution.
-#
-# 3. Neither the name of the copyright holder nor the names of its contributors may be
-#    used to endorse or promote products derived from this software without specific
-#    prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
-# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
-# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
-# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-set -e
-
-source etc/scripts/build-external-libs/env.sh
-
-build_root=$BUILD_ROOT
-src_root=$BUILD_ROOT_SRC
-
-name=zlib
-version=1.2.11
-
-cd $src_root/${name}-${version}
-
-archs=(arm64)
-for arch in ${archs[@]}; do
-    extra_cmake_flags=""
-    case ${arch} in
-        "arm64")
-            target_host=aarch64-linux-android
-            ;;
-        "x86_64")
-            target_host=x86_64-linux-android
-            ;;
-        *)
-            exit 16
-            ;;
-    esac
-
-    # PREFIX=$build_root/build/${name}/$arch
-    PREFIX=$build_root/build/$arch
-    echo "building for ${arch}"
-
-    export CC=clang
-    export CXX=clang++
-
-    (
-        PATH=$build_root/tool/$arch/$target_host/bin:$build_root/tool/$arch/bin:$PATH; \
-            ./configure \
-            --prefix=${PREFIX} \
-            --static \
-            && make -j${NPROC} && make install && make clean \
-    )
-
-done
-
-exit 0
diff --git a/etc/scripts/build-external-libs/zlib/fetch.sh b/etc/scripts/build-external-libs/zlib/fetch.sh
deleted file mode 100755
index 2881dbb..0000000
--- a/etc/scripts/build-external-libs/zlib/fetch.sh
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/usr/bin/env bash
-
-# Copyright (c) 2019, The Wownero Project
-# Copyright (c) 2014-2019, The Monero Project
-#
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without modification, are
-# permitted provided that the following conditions are met:
-#
-# 1. Redistributions of source code must retain the above copyright notice, this list of
-#    conditions and the following disclaimer.
-#
-# 2. Redistributions in binary form must reproduce the above copyright notice, this list
-#    of conditions and the following disclaimer in the documentation and/or other
-#    materials provided with the distribution.
-#
-# 3. Neither the name of the copyright holder nor the names of its contributors may be
-#    used to endorse or promote products derived from this software without specific
-#    prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
-# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
-# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
-# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-set -e
-
-source etc/scripts/build-external-libs/env.sh
-
-cd $BUILD_ROOT_SRC
-
-name=zlib
-version=1.2.11
-hash=c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1
-
-rm -rf ${name}-${version}
-
-curl -# -L -O \
-     https://zlib.net/${name}-${version}.tar.gz
-
-echo "${hash} ${name}-${version}.tar.gz" | sha256sum -c
-
-tar xzf ${name}-${version}.tar.gz