diff --git a/examples/tools/ca.crt b/examples/tools/ca.crt
deleted file mode 100644
index 0841b9e4..00000000
--- a/examples/tools/ca.crt
+++ /dev/null
@@ -1,26 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIEUTCCAzmgAwIBAgIJAMB5zuHY4PAJMA0GCSqGSIb3DQEBCwUAMHcxCzAJBgNV
-BAYTAkZSMRkwFwYDVQQIDBBMb2lyZS1BdGxhbnRpcXVlMQ8wDQYDVQQHDAZOYW50
-ZXMxHTAbBgNVBAoMFE9yY2hlc3RyYXRvciBSb290IENBMR0wGwYDVQQDDBRPcmNo
-ZXN0cmF0b3IgUm9vdCBDQTAeFw0yMzExMTYxNDQ4MjRaFw0yNDExMTUxNDQ4MjRa
-MHcxCzAJBgNVBAYTAkZSMRkwFwYDVQQIDBBMb2lyZS1BdGxhbnRpcXVlMQ8wDQYD
-VQQHDAZOYW50ZXMxHTAbBgNVBAoMFE9yY2hlc3RyYXRvciBSb290IENBMR0wGwYD
-VQQDDBRPcmNoZXN0cmF0b3IgUm9vdCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEP
-ADCCAQoCggEBANKngQcsHWDosQYa9MxEw2ToSY5IHxY5pxyw75bWw7eSSPyLt+Gk
-yv4XoE130akFcZ41DEJLTpKstDa8r7Z4GKL8zAdRVgpSiwjgQWk7/utZrgU2LEFu
-OKalvHgouFKb0pqA4Kihqt8oO+D7pfRmoJ7dlJ14unpqdu6vbED/zTktDeyw0uVf
-PXOP4VRpIS9rI0j18uq2o5zNYCsZwAJ+MvhPnjczwUpe/3qBBUmVZc23DALsYHlt
-l3FTtYt3qmSmaj6JQYl+Thpg5Xl9jJruBPfqYSt+07UbkeRMo7qDqNJyParVoPXB
-y529HjsL0wGALMcBxLjlrlXMTvcDFqWQLIcCAwEAAaOB3zCB3DAPBgNVHRMBAf8E
-BTADAQH/MB0GA1UdDgQWBBSnv74M6SIPLf5ZZH06BqCw0STBqjCBqQYDVR0jBIGh
-MIGegBSnv74M6SIPLf5ZZH06BqCw0STBqqF7pHkwdzELMAkGA1UEBhMCRlIxGTAX
-BgNVBAgMEExvaXJlLUF0bGFudGlxdWUxDzANBgNVBAcMBk5hbnRlczEdMBsGA1UE
-CgwUT3JjaGVzdHJhdG9yIFJvb3QgQ0ExHTAbBgNVBAMMFE9yY2hlc3RyYXRvciBS
-b290IENBggkAwHnO4djg8AkwDQYJKoZIhvcNAQELBQADggEBAIVcT1oljUzqOsR8
-KqjGIoqJYiNKDqPNSLSmz8X18F/fL2Ls4N5LCjHT5Q5osG14ksg2TeogyrHE6lol
-BqkKxw5JwcOQfV7z85pG46ie5vKPP6+fH/txctNVB2D9reqghD+CbKFt2WVOW+LO
-E1qGvI6m0U7nFlA+JD5TEgbyjfqd5Z94zLNxA3/YMr5FN8MNYkphfBGuEkJTGWZI
-6/H0vMhl24DdQN3UVcHZCyut9HJlAESXyY3oEv6pmm9lFQ9JaR6CBs9JVN8ShVnA
-iurlOZnJQ6VNRgVJ2KpMTEww5OMA+rpdWjV3PkGius/YwYnPw/GrHk3t0u/yaooA
-DRAB4x0=
------END CERTIFICATE-----
diff --git a/examples/tools/ca.key b/examples/tools/ca.key
deleted file mode 100644
index 49c7a488..00000000
--- a/examples/tools/ca.key
+++ /dev/null
@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEpAIBAAKCAQEA0qeBBywdYOixBhr0zETDZOhJjkgfFjmnHLDvltbDt5JI/Iu3
-4aTK/hegTXfRqQVxnjUMQktOkqy0NryvtngYovzMB1FWClKLCOBBaTv+61muBTYs
-QW44pqW8eCi4UpvSmoDgqKGq3yg74Pul9Gagnt2UnXi6emp27q9sQP/NOS0N7LDS
-5V89c4/hVGkhL2sjSPXy6rajnM1gKxnAAn4y+E+eNzPBSl7/eoEFSZVlzbcMAuxg
-eW2XcVO1i3eqZKZqPolBiX5OGmDleX2Mmu4E9+phK37TtRuR5EyjuoOo0nI9qtWg
-9cHLnb0eOwvTAYAsxwHEuOWuVcxO9wMWpZAshwIDAQABAoIBAQCnstvAJvl4ZaZP
-8vPBDljzIw0zrOy6l8kWyTDjRzPmFxntmxkXFEbZw1tFcMbDJOdPiHGq8SKrF7wb
-+1hzDeanElMm3DR/4Th4J3dLXIzTNcCYu4i9yg5ldHm2uswKT6x4fXLcLF/IadJJ
-iGyURYNHFaUzO6JQxCLMX3DxyfLJuUdvghf4DSDtS+559DjnJDEW9RjKJYJxfIqN
-mxRx4zWgcoXo1/jXJ+gj3ZkI+NX2WVEvbOGxuRcSHOeCICSM6FboEhvb2hnfKzeU
-7e2N5+U7qA06VYfN020DYaHtXGyPBSdS9WGak9I9kD4LV15v7r4tCGXl2v94+/kq
-PylZ8hwhAoGBAPBSHewv/dkqtHrvTMCjNvrm0Xdn719NMuJcG7C1Ond6xFPZh8/o
-YnoMXkyb8OoEnJs24eXZdDtnzbYGV/hQvT01Yr9t3DcSYOBH/MvNXKSUVivKaV2A
-HUdPmMA45PG6BPeYDteQk8Z7KXsn6YkkypJ+5ghcCGScQGZBG2HjBHHxAoGBAOBl
-5HB0f3rkkE7jJGuFtOytYbmR/OPM0GbYIC0Zxlo+wu+sL2f6dIYyYKjqPdWoH6Yi
-e50Icd2PS91iMwKbblTVGDhZjnvjYq06s1qmby+ClpV9pbCt1K7P4oBXRKCsnfn5
-ViE7MMsTlE0lE26VMo63seR/rabQ13KfovvtTQ33AoGAW4FI93fGlnwWQIEBnpAH
-DT36IBcpJAaHC3265Wv8GSZbvvmjJtz7MjGnblAqSVD8OHWLSjOkeEIsJ9T+hgRo
-Kfg741v3b9jFnmCKtyc40UnSDdaCjCGOBGsgZIDFW+1SmtwBOr9IJVkcEFLAL4Ic
-x+8ds60nXPfJ5aWAwaLpPGECgYEAiMuUxzk9vZ04m968hQ+ti9rmiEoG8JgbM5bt
-hpD/6mP4UkOVYr2761Mquc6Sg31KTe0XjlNnlrmUdhE3J4+5Yt3FNhTiV4P208PF
-Mq3jegMR6W//YgWWcjsoyTRqEckpRQpLB1ceF66H6b+AaRlrCLXTLIjpQ5hsvuOy
-aAHxx2ECgYAQKmeXKZXXsuCSPqhM8EAVTHxpR/7Tf+VX3jnBb4n+COlwc33k73Xh
-PDxSlKycLCURCFVDw3TwP5HDcR3ILZxduxlgxYH3wM+2TIpGySzkdWs/IvWC5OWE
-taElhruncjPxmLfy1cv1gqxJEnqUG0Sn9BrUDisUALWzMxMrBstQYQ==
------END RSA PRIVATE KEY-----