diff --git a/work-with-data/dataprep/data/adls-dpreptestfiles.crt b/work-with-data/dataprep/data/adls-dpreptestfiles.crt
deleted file mode 100644
index 98498f95..00000000
--- a/work-with-data/dataprep/data/adls-dpreptestfiles.crt
+++ /dev/null
@@ -1,45 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQDmkkyF0BwipZow
-Wd1AMkRkySx0y079JPxpsYhv4i1xXKdoa9bpFqwoXmJpeQM1JWnU4UeZzFeM86qK
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-Q/ypwMLrwWQN51Kr+oTS74bUbrkCgYEA6bXVIUyao7z2Q3qAr6h+6JEWDbkJA7hJ
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-EBmIK3PF1nrzNvWD28wM46c6ScehyWSm/u4bJWSm9liTX3dv5Kpa6ym7yLKc3c0B
-ECpSJM+5SoMCgYEAq585Tukzn/IJPUcIk/4nv5C8DW0l0lAVdr2g/JOTNJajTwik
-HwHJ86G1+Elsc9wRpAlBDWCjnm4BIFrBZGl8SEuOoJaCL4PZEotwCbxoG09IIbtb
-JGkuifBDX9Y3ux3gkPqYt3e5SC99EVQ3MuHgoIJUHehVolmFUAkuJWIjvNECgYEA
-5pU0VspRuELzZdgzpxvDOooLDDcHodfslGQBfFXBA1Xc4IACtHMJaa/7D3vkyUtA
-+bYZtQjX2sEdWDq/WZdoCjXfIBfNkczhXt0R8G0lQFvGIu9QzUchYGrZo3mHMkBQ
-Uy1xMw9/e4YgwQwCJcW+Nk7Sq00uX9enuN9IdHFOCykCgYAqAGMK6CH1tlpjvHrf
-k+ZhigYxTXBlsVVvK1BIGGaiwzDpn65zeQp4aLOjSZkI1LuRi3tfTiZ321jRd64J
-4lGk5Jurqv5grDmxROX/U50wEYbI9ncu/thU7syUdxDiqxHPI2RMG50mRcm3a55p
-ZCNSqkMlcXyA0U1z8C1ILNUsbA==
------END PRIVATE KEY-----
------BEGIN CERTIFICATE-----
-MIICoTCCAYkCAgPoMA0GCSqGSIb3DQEBBQUAMBQxEjAQBgNVBAMMCUNMSS1Mb2dp
-bjAiGA8yMDE4MDcxMzIzMjA0N1oYDzIwMTkwNzEzMjMyMDQ5WjAUMRIwEAYDVQQD
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-N2FDKn2PQPAc9m9pcKyUKUvWOC8ixSkrUmeQew0l1AXU0hsPSlJ7/7ZK4efoyB47
-hj71fsyKdyKbisZDcUFBq/S8PazdPF0YOD1W/4A2tW0cSMg+jmFWynuUTdWt3SU8
-CwBGqdiSKT5faJuYwIWnRXDEQS3ObRn1OFEfFdd4d2sxjxydWKRgnINnGlBdiFAT
-KzCozVr+75cO2ErH6x5C0hLQGG5BxXbaijyxyvaRNokTMVVv6OaDEnjzCGfJ72Yf
-2wgitNc=
------END CERTIFICATE-----