diff --git a/src/com/mirantis/mk/Http.groovy b/src/com/mirantis/mk/Http.groovy
index 85b14e5..e14a523 100644
--- a/src/com/mirantis/mk/Http.groovy
+++ b/src/com/mirantis/mk/Http.groovy
@@ -220,138 +220,3 @@
     System.getProperties().remove("http.nonProxyHosts")
     System.getProperties().remove("https.nonProxyHosts")
 }
-
-/**
- * Make HTTP request to the specified URL
- *
- * @param url       URL to do HTTP request to
- * @param method    HTTP method to execute (`GET` by default)
- * @param credsId   Jenkins credentials ID to use for authorization
- * @param pushData  Data to send
- * @param pushType  MIME-type of pushData
- * @param params    Custom HTTP-headers
- *
- * @return          Array containing return code and text
- *
- * @exception       org.jenkinsci.plugins.scriptsecurity.sandbox.RejectedAccessException
- */
-def call(String url, String method = 'GET', String credsId = '',
-         String pushData = '', String pushType = '', Map params = [:]) {
-
-    // Connection object
-    def httpReq = new URI(url).normalize().toURL().openConnection()
-    httpReq.setRequestMethod(method)
-
-    // Timeouts
-    httpReq.setConnectTimeout(10*1000) // milliseconds
-    httpReq.setReadTimeout(600*1000)   // milliseconds
-
-    // Add authentication data
-    if (credsId) {
-        String authHeader = ''
-        def cred = com.cloudbees.plugins.credentials.CredentialsProvider.lookupCredentials(
-            com.cloudbees.plugins.credentials.impl.BaseStandardCredentials.class,
-            jenkins.model.Jenkins.instance).findAll {it.id == credsId}[0]
-        if (cred.class == com.cloudbees.plugins.credentials.impl.UsernamePasswordCredentialsImpl.class) {
-            authHeader = 'Basic ' + "${cred.getUsername()}:${cred.getPassword()}".getBytes('UTF-8').encodeBase64().toString()
-        } else if (cred.class == org.jenkinsci.plugins.plaincredentials.impl.StringCredentialsImpl.class) {
-            authHeader = 'Bearer ' + cred.getSecret()
-            //params << ['X-JFrog-Art-Api': cred.getSecret()]
-        }
-        params << ['Authorization': authHeader]
-    }
-
-    // Add custom headers if any
-    for (param in params) {
-        httpReq.setRequestProperty(param.key, param.value.toString())
-    }
-
-    // Do request
-    try {
-        if (pushData) {
-            httpReq.setRequestProperty('Content-Type', pushType ?: 'application/x-www-form-urlencoded')
-            if (method == 'GET') { // override incorrect method if pushData is passed
-                httpReq.setRequestMethod('POST')
-            }
-            httpReq.setDoOutput(true)
-            httpReq.getOutputStream().write(pushData.getBytes('UTF-8'))
-        } else {
-            httpReq.connect()
-        }
-    } catch (org.jenkinsci.plugins.scriptsecurity.sandbox.RejectedAccessException e) {
-        throw e // show sandbox errors
-    } catch (Exception e) {
-        echo "Cauhgt '${e.class.name}' error: ${e.getMessage()}"
-        return [ -1, e.getMessage() ]
-    }
-
-    // Handle return data
-    int respCode = httpReq.getResponseCode()
-    String respText = ''
-    if (respCode >= 400) {
-        respText = httpReq.getErrorStream().getText() ?: httpReq.getResponseMessage()
-    } else {
-        respText = httpReq.getInputStream().getText()
-    }
-
-    // Return result as a tuple of response code and text
-    return [respCode, respText]
-}
-
-/**
- * Make HTTP GET request to the specified URL
- *
- * @param url       URL to do HTTP request to
- * @param credsId   Jenkins credentials ID to use for authorization
- * @param params    Custom HTTP-headers
- *
- * @return          Array containing return code and text
- */
-def get(String url, String credsId = '', Map params = [:]) {
-    return Call(url, 'GET', credsId, null, null, params)
-}
-
-/**
- * Make HTTP POST request to the specified URL
- *
- * @param url       URL to do HTTP request to
- * @param credsId   Jenkins credentials ID to use for authorization
- * @param pushData  Data to send
- * @param pushType  MIME-type of pushData
- * @param params    Custom HTTP-headers
- *
- * @return          Array containing return code and text
- */
-def post(String url, String credsId = '',
-         String pushData = '', String pushType = '', Map params = [:]) {
-    return Call(url, 'POST', credsId, pushData, pushType, params)
-}
-
-/**
- * Make HTTP PUT request to the specified URL
- *
- * @param url       URL to do HTTP request to
- * @param credsId   Jenkins credentials ID to use for authorization
- * @param pushData  Data to send
- * @param pushType  MIME-type of pushData
- * @param params    Custom HTTP-headers
- *
- * @return          Array containing return code and text
- */
-def put(String url, String credsId = '',
-        String pushData = '', String pushType = '', Map params = [:]) {
-    return Call(url, 'PUT', credsId, pushData, pushType, params)
-}
-
-/**
- * Make HTTP DELETE request to the specified URL
- *
- * @param url       URL to do HTTP request to
- * @param credsId   Jenkins credentials ID to use for authorization
- * @param params    Custom HTTP-headers
- *
- * @return          Array containing return code and text
- */
-def delete(String url, String credsId = '', Map params = [:]) {
-    return Call(url, 'DELETE', credsId, null, null, params)
-}