diff --git a/demos/README b/demos/README
index d2155ef9..72422799 100644
--- a/demos/README
+++ b/demos/README
@@ -1,9 +1,3 @@
-NOTE: Don't expect any of these programs to work with current
-OpenSSL releases, or even with later SSLeay releases.
+# GmSSL Demos
 
-Original README:
-=============================================================================
 
-Some demo programs sent to me by various people
-
-eric
diff --git a/demos/scripts/ciphers.sh b/demos/scripts/ciphers.sh
deleted file mode 100755
index c0b2dfbf..00000000
--- a/demos/scripts/ciphers.sh
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/bin/bash -x
-# Copyright (c) 2014 - 2018 The GmSSL Project.  All rights reserved.
-
-gmssl=gmssl
-
-echo "SSL/TLS Cipher Suites:"
-$gmssl ciphers
-echo
-$gmssl ciphers -v
-echo
-$gmssl ciphers -V
-echo
-
-# show detailed information of a cipher suite
-$gmssl ciphers -V SM2-WITH-SMS4-SM3
-
-# show if the specified cipher is supported
-$gmssl ciphers -s -tls1 SM2-WITH-SMS4-SM3
-
-echo "Supported Cipher Suites:"
-$gmssl ciphers -s
-echo
-
-echo "TLS 1.2 Cipher Suites:"
-$gmssl ciphers -tls1_2
-echo
-
-echo "PSK (Pre-Shared Key) Cipher Suites:"
-$gmssl ciphers -psk
-echo
-
-echo "SRP (Secure Remote Password) Cipher Suites:"
-$gmssl ciphers -srp
-echo
diff --git a/demos/scripts/dgst.sh b/demos/scripts/dgst.sh
deleted file mode 100755
index 402fbd57..00000000
--- a/demos/scripts/dgst.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/bash -x
-# Copyright (c) 2014 - 2018 The GmSSL Project.  All rights reserved.
-
-gmssl=gmssl
-
-echo -n "abc" | $gmssl sm3
-echo -n "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd" | $gmssl sm3
-echo -n "abc" | $gmssl dgst -sm3 -binary -out sm3dgst.bin
-echo -n "abc" | $gmssl dgst -sm3 -hmac "hmackeystring"
-
-# digest and sign/verify
-filename=dgst.sh
-$gmssl dgst -sm3 -sign sm2key.pem -out $filename.sig $filename
-$gmssl dgst -sm3 -verify sm2pubkey.pem -signature $filename.sig $filename
-
-# cmac
-echo hello | $gmssl dgst -sm3 -mac hmac -macopt key:ehllo
-
-# engine
-
diff --git a/demos/scripts/ec.sh b/demos/scripts/ec.sh
deleted file mode 100755
index 1c5c8259..00000000
--- a/demos/scripts/ec.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/bash
-# Copyright (c) 2014 - 2018 The GmSSL Project.  All rights reserved.
-
-gmssl=gmssl
-
-paramfile=ecparam.pem
-keyfile=eckey.pem
-pubkeyfile=ecpubkey.pem
-pkeyopt="-pkeyopt ec_paramgen_curve:sm2p256v1"
-
-$gmssl ecparam -list_curves | grep sm2
-$gmssl ecparam -text -noout -name sm2p256v1 -param_enc explicit
-$gmssl genpkey -genparam -algorithm EC -out sm2p256v1.pem -pkeyopt ec_paramgen_curve:sm2p256v1 -pkeyopt ec_param_enc:named_curve
-$gmssl genpkey -algorithm EC -out sm2key.pem -pkeyopt ec_paramgen_curve:sm2p256v1 -pkeyopt ec_param_enc:named_curve
-$gmssl pkey -text -noout -in sm2key.pem
-$gmssl pkey -in sm2key.pem -pubout -out sm2pubkey.pem
-$gmssl pkey -text -noout -pubin -in $pubkeyfile
-
-echo hello | $gmssl pkeyutl -sign -inkey sm2key.pem -pkeyopt ec_scheme:sm2 > sm2sig.der
-echo hello | $gmssl pkeyutl -verify -inkey sm2key.pem -sigfile sm2sig.der -pkeyopt ec_scheme:sm2
-echo hello | $gmssl pkeyutl -encrypt -inkey sm2key.pem -pkeyopt ec_scheme:sm2 > sm2ciphertext.bin
-
-cat sm2ciphertext.bin | $gmssl pkeyutl -decrypt -inkey sm2key.pem -pkeyopt ec_scheme:sm2
-
-#$gmssl req -new -x509 -days 3650 -key sm2key.pem -out cert.pem
-#$gmssl x509 -text -noout -in $DIR/cacert.pem
diff --git a/demos/scripts/list.sh b/demos/scripts/list.sh
deleted file mode 100755
index 89376c7b..00000000
--- a/demos/scripts/list.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/bin/bash
-# Copyright (c) 2014 - 2018 The GmSSL Project.  All rights reserved.
-
-gmssl=gmssl
-
-echo "Commands:"
-$gmssl list -commands
-echo
-
-echo "Digest Commands:"
-$gmssl list -digest-commands
-echo
-
-echo "Digest Algorithms:"
-$gmssl list -digest-algorithms
-echo
-
-echo "Ciphers Commands:"
-$gmssl list -cipher-commands
-echo
-
-echo "Cipher Algorithms:"
-$gmssl list -cipher-algorithms
-echo
-
-echo "Public Key Algorithms:"
-$gmssl list -public-key-algorithms
-echo
-
-# FIXME: gmssl disabled features are not listed!
-$gmssl list -disabled
-echo
diff --git a/demos/scripts/passwd.sh b/demos/scripts/passwd.sh
deleted file mode 100755
index 86c5ae2d..00000000
--- a/demos/scripts/passwd.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash -x
-# Copyright (c) 2014 - 2018 The GmSSL Project.  All rights reserved.
-
-gmssl=gmssl
-
-$gmssl passwd -crypt -salt xx password
-$gmssl passwd -1     -salt xxxxxxxx password
-$gmssl passwd -apr1  -salt xxxxxxxx password
diff --git a/demos/scripts/pkey.sh b/demos/scripts/pkey.sh
deleted file mode 100755
index 87fb061f..00000000
--- a/demos/scripts/pkey.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/bash -x
-
-gmssl=~/code/github/gmssl/apps/gmssl
-
-$gmssl genpkey -genparam -algorithm EC -pkeyopt ec_paramgen_curve:sm2p256v1 -pkeyopt ec_param_enc:named_curve -out sm2p256v1.pem
-$gmssl genpkey -algorithm EC -pkeyopt ec_paramgen_curve:sm2p256v1 -pkeyopt ec_param_enc:named_curve -out sm2key.pem
-$gmssl pkey -text -noout -in sm2key.pem
-$gmssl pkey -pubout -in sm2key.pem -out sm2pubkey.pem
-$gmssl pkey -text -noout -pubin -in sm2pubkey.pem
-
-message="This is the message to be signed."
-sigfile="sm2sig.der"
-echo $message | $gmssl pkeyutl   -sign -pkeyopt ec_scheme:sm2        -inkey sm2key.pem        -out $sigfile
-echo $message | $gmssl pkeyutl -verify -pkeyopt ec_scheme:sm2 -pubin -inkey sm2pubkey.pem -sigfile $sigfile
-
-echo "Message : $message"
-echo "Signature :"
-$gmssl asn1parse -inform DER -in $sigfile
-
-plaintext="This is the plaintext to be encrypted."
-ciphertext=ciphertext.der
-echo $plaintext | $gmssl pkeyutl -encrypt -pkeyopt ec_scheme:sm2 -inkey sm2key.pem -out $ciphertext
-cat $ciphertext | $gmssl pkeyutl -decrypt -pkeyopt ec_scheme:sm2 -inkey sm2key.pem
-
-echo $plaintext
-$gmssl asn1parse -inform DER -in $ciphertext
diff --git a/demos/scripts/quickstart.sh b/demos/scripts/quickstart.sh
deleted file mode 100755
index 4d59a62b..00000000
--- a/demos/scripts/quickstart.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash
-# Copyright (c) 2014 - 2018 The GmSSL Project.  All rights reserved.
-
-gmssl=gmssl
-
-echo -n "abc" | $gmssl sm3
-echo "SM4 Decrypted Successfully" | $gmssl sms4 -e -K 1234567890ABCDEF1234567890ABCDEF -iv 11223344556677889900AABBCCDDEEFF -out README.sms4
-$gmssl sms4 -d -K 1234567890ABCDEF1234567890ABCDEF -iv 11223344556677889900AABBCCDDEEFF -in README.sms4 -out README-2.md
-$gmssl genpkey -algorithm EC -pkeyopt ec_paramgen_curve:sm2p256v1 -pkeyopt ec_param_enc:named_curve -out skey.pem
-$gmssl pkey -pubout -in skey.pem -out vkey.pem
-$gmssl pkeyutl -sign -pkeyopt ec_scheme:sm2 -inkey skey.pem -in README.md -out README.md.sig
-$gmssl pkeyutl -verify -pkeyopt ec_scheme:sm2 -pubin -inkey vkey.pem -in README.md -sigfile README.md.sig
-$gmssl genpkey -algorithm EC -pkeyopt ec_paramgen_curve:sm2p256v1 -pkeyopt ec_param_enc:named_curve -out dkey.pem
-$gmssl pkey -pubout -in dkey.pem -out ekey.pem
-echo "Ciphertext Decrypted Successfully" | $gmssl pkeyutl -encrypt -pkeyopt ec_scheme:sm2 -pubin -inkey ekey.pem -out ciphertext.sm2
-$gmssl pkeyutl -decrypt -pkeyopt ec_scheme:sm2 -inkey dkey.pem -in ciphertext.sm2
-#$gmssl req -new -x509 -key skey.pem -out cert.pem
diff --git a/demos/scripts/rand.sh b/demos/scripts/rand.sh
deleted file mode 100755
index 35f86354..00000000
--- a/demos/scripts/rand.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-# Copyright (c) 2014 - 2018 The GmSSL Project.  All rights reserved.
-
-gmssl=gmssl
-randfile=rand.bin
-
-num=32
-$gmssl rand -hex $num
-$gmssl rand -base64 $num
-$gmssl rand -out $randfile $num
diff --git a/demos/scripts/speed.sh b/demos/scripts/speed.sh
deleted file mode 100755
index 438c1962..00000000
--- a/demos/scripts/speed.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-# Copyright (c) 2014 - 2018 The GmSSL Project.  All rights reserved.
-
-gmssl=$gmssl
-
-$gmssl speed sm2
-$gmssl speed -evp sm3
-$gmssl speed -evp sms4
-$gmssl speed -evp sms4 -decrypt
-$gmssl speed -evp sm3 -engine skf
diff --git a/demos/scripts/version.sh b/demos/scripts/version.sh
deleted file mode 100755
index 83e670d9..00000000
--- a/demos/scripts/version.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash -x
-# Copyright (c) 2014 - 2018 The GmSSL Project.  All rights reserved.
-
-gmssl=gmssl
-
-$gmssl version
-$gmssl version -v
-$gmssl version -e
-$gmssl version -d
-$gmssl version -a
diff --git a/demos/scripts/x509.sh b/demos/scripts/x509.sh
deleted file mode 100755
index 1c5c8259..00000000
--- a/demos/scripts/x509.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/bash
-# Copyright (c) 2014 - 2018 The GmSSL Project.  All rights reserved.
-
-gmssl=gmssl
-
-paramfile=ecparam.pem
-keyfile=eckey.pem
-pubkeyfile=ecpubkey.pem
-pkeyopt="-pkeyopt ec_paramgen_curve:sm2p256v1"
-
-$gmssl ecparam -list_curves | grep sm2
-$gmssl ecparam -text -noout -name sm2p256v1 -param_enc explicit
-$gmssl genpkey -genparam -algorithm EC -out sm2p256v1.pem -pkeyopt ec_paramgen_curve:sm2p256v1 -pkeyopt ec_param_enc:named_curve
-$gmssl genpkey -algorithm EC -out sm2key.pem -pkeyopt ec_paramgen_curve:sm2p256v1 -pkeyopt ec_param_enc:named_curve
-$gmssl pkey -text -noout -in sm2key.pem
-$gmssl pkey -in sm2key.pem -pubout -out sm2pubkey.pem
-$gmssl pkey -text -noout -pubin -in $pubkeyfile
-
-echo hello | $gmssl pkeyutl -sign -inkey sm2key.pem -pkeyopt ec_scheme:sm2 > sm2sig.der
-echo hello | $gmssl pkeyutl -verify -inkey sm2key.pem -sigfile sm2sig.der -pkeyopt ec_scheme:sm2
-echo hello | $gmssl pkeyutl -encrypt -inkey sm2key.pem -pkeyopt ec_scheme:sm2 > sm2ciphertext.bin
-
-cat sm2ciphertext.bin | $gmssl pkeyutl -decrypt -inkey sm2key.pem -pkeyopt ec_scheme:sm2
-
-#$gmssl req -new -x509 -days 3650 -key sm2key.pem -out cert.pem
-#$gmssl x509 -text -noout -in $DIR/cacert.pem