diff --git a/lib/definitions/plugins.d.ts b/lib/definitions/plugins.d.ts
index 06e5e4f7b6..35e38b63ab 100644
--- a/lib/definitions/plugins.d.ts
+++ b/lib/definitions/plugins.d.ts
@@ -5,13 +5,6 @@ interface IPluginsService {
 	getAllInstalledPlugins(): IFuture<IPluginData[]>;
 	ensureAllDependenciesAreInstalled(): IFuture<void>;
 	afterPrepareAllPlugins(): IFuture<void>;
-	/**
-	 * Installs all devDependencies of the project.
-	 * In case all of them are already installed, no operation will be executed.
-	 * In case any of them is missing, all of them will be installed.
-	 * @return {IFuture<void>}
-	 */
-	installDevDependencies(): IFuture<void>;
 }
 
 interface IPluginData extends INodeModuleData {
diff --git a/lib/services/platform-service.ts b/lib/services/platform-service.ts
index 9ef7395a04..948c169c1c 100644
--- a/lib/services/platform-service.ts
+++ b/lib/services/platform-service.ts
@@ -158,8 +158,13 @@ export class PlatformService implements IPlatformService {
 		return (() => {
 			this.validatePlatform(platform);
 
-			//Install dev-dependencies here, so before-prepare hooks will be executed correctly.
-			this.$pluginsService.installDevDependencies().wait();
+			//We need dev-dependencies here, so before-prepare hooks will be executed correctly.
+			try {
+				this.$pluginsService.ensureAllDependenciesAreInstalled().wait();
+			} catch(err) {
+				this.$logger.trace(err);
+				this.$errors.failWithoutHelp(`Unable to install dependencies. Make sure your package.json is valid and all dependencies are correct. Error is: ${err.message}`);
+			}
 
 			this.preparePlatformCore(platform).wait();
 		}).future<void>()();
@@ -223,7 +228,6 @@ export class PlatformService implements IPlatformService {
 			// Process node_modules folder
 			let appDir = path.join(platformData.appDestinationDirectoryPath, constants.APP_FOLDER_NAME);
 			try {
-				this.$pluginsService.ensureAllDependenciesAreInstalled().wait();
 				let tnsModulesDestinationPath = path.join(appDir, PlatformService.TNS_MODULES_FOLDER_NAME);
 				this.$broccoliBuilder.prepareNodeModules(tnsModulesDestinationPath, platform, lastModifiedTime).wait();
 			} catch(error) {
diff --git a/lib/services/plugins-service.ts b/lib/services/plugins-service.ts
index 4b497b6b51..0951f4de4e 100644
--- a/lib/services/plugins-service.ts
+++ b/lib/services/plugins-service.ts
@@ -160,7 +160,8 @@ export class PluginsService implements IPluginsService {
 		return (() => {
 			let installedDependencies = this.$fs.exists(this.nodeModulesPath).wait() ? this.$fs.readDirectory(this.nodeModulesPath).wait() : [];
 			let packageJsonContent = this.$fs.readJson(this.getPackageJsonFilePath()).wait();
-			if(this.$options.force || (packageJsonContent.dependencies && _.difference(_.keys(packageJsonContent.dependencies), installedDependencies).length)) {
+			let allDependencies = _.keys(packageJsonContent.dependencies).concat(_.keys(packageJsonContent.devDependencies));
+			if(this.$options.force || _.difference(allDependencies, installedDependencies).length) {
 				let command = "npm install ";
 				if(this.$options.ignoreScripts) {
 					command += "--ignore-scripts";
@@ -185,22 +186,6 @@ export class PluginsService implements IPluginsService {
 		return this.executeForAllInstalledPlatforms(action);
 	}
 
-	public installDevDependencies(): IFuture<void> {
-		return (() => {
-			let installedDependencies = this.$fs.exists(this.nodeModulesPath).wait() ? this.$fs.readDirectory(this.nodeModulesPath).wait() : [];
-			let packageJsonContent = this.$fs.readJson(this.getPackageJsonFilePath()).wait();
-			let devDependencies = _.keys(packageJsonContent.devDependencies);
-			if(devDependencies.length && (this.$options.force || _.difference(devDependencies, installedDependencies).length)) {
-				let command = `npm install ${devDependencies.join(" ")}`;
-				if(this.$options.ignoreScripts) {
-					command += "--ignore-scripts";
-				}
-				this.$logger.trace(`Command for installing devDependencies is: '${command}'.`);
-				this.$childProcess.exec(command, { cwd: this.$projectData.projectDir }).wait();
-			}
-		}).future<void>()();
-	}
-
 	private get nodeModulesPath(): string {
 		return path.join(this.$projectData.projectDir, "node_modules");
 	}
diff --git a/test/platform-service.ts b/test/platform-service.ts
index 2bf7b3c0b7..a4a766ecb5 100644
--- a/test/platform-service.ts
+++ b/test/platform-service.ts
@@ -49,8 +49,7 @@ function createTestInjector() {
 		},
 		ensureAllDependenciesAreInstalled: () => {
 			return Future.fromResult();
-		},
-		installDevDependencies: () => Future.fromResult()
+		}
 	});
 	testInjector.register("projectFilesManager", ProjectFilesManagerLib.ProjectFilesManager);
 	testInjector.register("hooksService", stubs.HooksServiceStub);