diff --git a/lib/core/plugin.js b/lib/core/plugin.js
index 44345487..f5ad6624 100644
--- a/lib/core/plugin.js
+++ b/lib/core/plugin.js
@@ -1,6 +1,7 @@
 const fs = require('./fs.js');
 const utils = require('../utils/utils.js');
 const constants = require('../constants');
+const _ = require('underscore')
 
 // TODO: pass other params like blockchainConfig, contract files, etc..
 var Plugin = function(options) {
@@ -120,43 +121,45 @@ Plugin.prototype.interceptLogs = function(context) {
 Plugin.prototype.registerClientWeb3Provider = function(cb) {
   this.clientWeb3Providers.push(cb);
   this.pluginTypes.push('clientWeb3Provider');
-};
-
-Plugin.prototype.registerBeforeDeploy = function(cb) {
-  this.beforeDeploy.push(cb);
-  this.pluginTypes.push('beforeDeploy');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.registerContractsGeneration = function(cb) {
   this.contractsGenerators.push(cb);
   this.pluginTypes.push('contractGeneration');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.registerPipeline = function(matcthingFiles, cb) {
   // TODO: generate error for more than one pipeline per plugin
   this.pipeline.push({matcthingFiles: matcthingFiles, cb: cb});
   this.pluginTypes.push('pipeline');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.addFileToPipeline = function(file, intendedPath, options) {
   this.pipelineFiles.push({file: file, intendedPath: intendedPath, options: options});
   this.pluginTypes.push('pipelineFiles');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.addContractFile = function(file) {
   this.contractsFiles.push(file);
   this.pluginTypes.push('contractFiles');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.registerConsoleCommand = function(cb) {
   this.console.push(cb);
   this.pluginTypes.push('console');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 // TODO: this only works for services done on startup
 Plugin.prototype.registerServiceCheck = function(checkName, checkFn, time) {
   this.serviceChecks.push({checkName: checkName, checkFn: checkFn, time: time});
   this.pluginTypes.push('serviceChecks');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.has = function(pluginType) {
@@ -178,32 +181,38 @@ Plugin.prototype.generateContracts = function(args) {
 Plugin.prototype.registerContractConfiguration = function(config) {
   this.contractsConfigs.push(config);
   this.pluginTypes.push('contractsConfig');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.registerCompiler = function(extension, cb) {
   this.compilers.push({extension: extension, cb: cb});
   this.pluginTypes.push('compilers');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.registerUploadCommand = function(cmd, cb) {
   this.uploadCmds.push({cmd: cmd, cb: cb});
   this.pluginTypes.push('uploadCmds');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.addCodeToEmbarkJS = function(code) {
   this.embarkjs_code.push(code);
   this.pluginTypes.push('embarkjsCode');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.addProviderInit = function(providerType, code, initCondition) {
   this.embarkjs_init_code[providerType] = this.embarkjs_init_code[providerType] || [];
   this.embarkjs_init_code[providerType].push([code, initCondition]);
   this.pluginTypes.push('initCode');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.registerImportFile = function(importName, importLocation) {
   this.imports.push([importName, importLocation]);
   this.pluginTypes.push('imports');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 };
 
 Plugin.prototype.registerActionForEvent = function(eventName, cb) {
@@ -212,6 +221,7 @@ Plugin.prototype.registerActionForEvent = function(eventName, cb) {
   }
   this.eventActions[eventName].push(cb);
   this.pluginTypes.push('eventActions');
+  this.pluginTypes = _.uniq(this.pluginTypes);
 }
 
 Plugin.prototype.runFilePipeline = function() {