diff --git a/commands/commands.go b/commands/commands.go
index 1fed0b5bebe..e96cb10059e 100644
--- a/commands/commands.go
+++ b/commands/commands.go
@@ -90,7 +90,7 @@ func InitPackageManager() *packagemanager.PackageManager {
 		Config.DownloadsDir(),
 		Config.DataDir.Join("tmp"))
 
-	for _, URL := range configs.BoardManagerAdditionalUrls {
+	for _, URL := range Config.BoardManagerAdditionalUrls {
 		if err := pm.LoadPackageIndex(URL); err != nil {
 			formatter.PrintError(err, "Failed to load "+URL.String()+" package index.\n"+
 				"Try updating all indexes with `"+AppName+" core update-index`.")
diff --git a/commands/core/update_index.go b/commands/core/update_index.go
index b70d2f2db8d..245c6b07d26 100644
--- a/commands/core/update_index.go
+++ b/commands/core/update_index.go
@@ -28,7 +28,6 @@ import (
 	"github.com/arduino/arduino-cli/arduino/cores/packageindex"
 	"github.com/arduino/arduino-cli/commands"
 	"github.com/arduino/arduino-cli/common/formatter"
-	"github.com/arduino/arduino-cli/configs"
 	"github.com/arduino/go-paths-helper"
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
@@ -51,7 +50,7 @@ func runUpdateIndexCommand(cmd *cobra.Command, args []string) {
 }
 
 func updateIndexes() {
-	for _, URL := range configs.BoardManagerAdditionalUrls {
+	for _, URL := range commands.Config.BoardManagerAdditionalUrls {
 		updateIndex(URL)
 	}
 }
diff --git a/configs/boards_manager.go b/configs/boards_manager.go
deleted file mode 100644
index 4253311f3b0..00000000000
--- a/configs/boards_manager.go
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * This file is part of arduino-cli.
- *
- * Copyright 2018 ARDUINO SA (http://www.arduino.cc/)
- *
- * This software is released under the GNU General Public License version 3,
- * which covers the main part of arduino-cli.
- * The terms of this license can be found at:
- * https://www.gnu.org/licenses/gpl-3.0.en.html
- *
- * You can be released from the requirements of the above licenses by purchasing
- * a commercial license. Buying such a license is mandatory if you want to modify or
- * otherwise use the software for commercial activities involving the Arduino
- * software without disclosing the source code of your own applications. To purchase
- * a commercial license, send an email to license@arduino.cc.
- */
-
-package configs
-
-import "net/url"
-
-var defaultPackageIndexURL, _ = url.Parse("https://downloads.arduino.cc/packages/package_index.json")
-
-// BoardManagerAdditionalUrls contains the additional URL for 3rd party packages
-var BoardManagerAdditionalUrls = []*url.URL{defaultPackageIndexURL}
diff --git a/configs/configuration.go b/configs/configuration.go
index abb6b7a1ee8..7fa17acc6d7 100644
--- a/configs/configuration.go
+++ b/configs/configuration.go
@@ -20,6 +20,7 @@ package configs
 
 import (
 	"fmt"
+	"net/url"
 
 	"github.com/arduino/go-paths-helper"
 )
@@ -42,8 +43,13 @@ type Configuration struct {
 	// the field is true if the CLI is bundled with the Arduino IDE, false if the CLI is running
 	// standalone or nil if the detection has not been performed.
 	IDEBundledCheckResult *bool
+
+	// BoardManagerAdditionalUrls contains the additional URL for 3rd party packages
+	BoardManagerAdditionalUrls []*url.URL
 }
 
+var defaultPackageIndexURL, _ = url.Parse("https://downloads.arduino.cc/packages/package_index.json")
+
 // NewConfiguration returns a new Configuration with the default values
 func NewConfiguration() (*Configuration, error) {
 	dataDir, err := getDefaultArduinoDataDir()
@@ -56,9 +62,10 @@ func NewConfiguration() (*Configuration, error) {
 	}
 
 	return &Configuration{
-		ConfigFile:    getDefaultConfigFilePath(),
-		DataDir:       dataDir,
-		SketchbookDir: sketchbookDir,
+		ConfigFile:                 getDefaultConfigFilePath(),
+		DataDir:                    dataDir,
+		SketchbookDir:              sketchbookDir,
+		BoardManagerAdditionalUrls: []*url.URL{defaultPackageIndexURL},
 	}, nil
 }
 
diff --git a/configs/preferences_txt_serializer.go b/configs/preferences_txt_serializer.go
index cee9e71f4e9..b132b34eb8a 100644
--- a/configs/preferences_txt_serializer.go
+++ b/configs/preferences_txt_serializer.go
@@ -87,7 +87,7 @@ func (config *Configuration) LoadFromDesktopIDEPreferences() error {
 	if URLs, has := props.GetOk("boardsmanager.additional.urls"); has {
 		for _, URL := range strings.Split(URLs, ",") {
 			if newURL, err := url.Parse(URL); err == nil {
-				BoardManagerAdditionalUrls = append(BoardManagerAdditionalUrls, newURL)
+				config.BoardManagerAdditionalUrls = append(config.BoardManagerAdditionalUrls, newURL)
 			}
 		}
 	}
diff --git a/configs/yaml_serializer.go b/configs/yaml_serializer.go
index 173484ab344..36bd03caace 100644
--- a/configs/yaml_serializer.go
+++ b/configs/yaml_serializer.go
@@ -81,7 +81,7 @@ func (config *Configuration) LoadFromYAML(path *paths.Path) error {
 				logrus.WithError(err).Warn("Error parsing config")
 				continue
 			}
-			BoardManagerAdditionalUrls = append(BoardManagerAdditionalUrls, url)
+			config.BoardManagerAdditionalUrls = append(config.BoardManagerAdditionalUrls, url)
 		}
 	}
 	return nil
@@ -104,9 +104,9 @@ func (config *Configuration) SerializeToYAML() ([]byte, error) {
 			Password: ProxyPassword,
 		}
 	}
-	if len(BoardManagerAdditionalUrls) > 1 {
+	if len(config.BoardManagerAdditionalUrls) > 1 {
 		c.BoardsManager = &yamlBoardsManagerConfig{AdditionalURLS: []string{}}
-		for _, URL := range BoardManagerAdditionalUrls[1:] {
+		for _, URL := range config.BoardManagerAdditionalUrls[1:] {
 			c.BoardsManager.AdditionalURLS = append(c.BoardsManager.AdditionalURLS, URL.String())
 		}
 	}