diff --git a/src/config/mod.rs b/src/config/mod.rs
index 06bcb44..7220843 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -28,9 +28,6 @@
 // Modules
 pub mod serializer;
 
-// Deps
-extern crate edit;
-
 // Locals
 use crate::filetransfer::FileTransferProtocol;
 
diff --git a/src/filetransfer/ftp_transfer.rs b/src/filetransfer/ftp_transfer.rs
index 9cb6199..20088c7 100644
--- a/src/filetransfer/ftp_transfer.rs
+++ b/src/filetransfer/ftp_transfer.rs
@@ -25,13 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Dependencies
-extern crate chrono;
-extern crate ftp4;
-#[cfg(os_target = "windows")]
-extern crate path_slash;
-extern crate regex;
-
 use super::{FileTransfer, FileTransferError, FileTransferErrorType};
 use crate::fs::{FsDirectory, FsEntry, FsFile};
 use crate::utils::fmt::{fmt_time, shadow_password};
diff --git a/src/filetransfer/mod.rs b/src/filetransfer/mod.rs
index 0158e10..a58a191 100644
--- a/src/filetransfer/mod.rs
+++ b/src/filetransfer/mod.rs
@@ -25,8 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// dependencies
-extern crate wildmatch;
 // locals
 use crate::fs::{FsEntry, FsFile};
 // ext
diff --git a/src/filetransfer/scp_transfer.rs b/src/filetransfer/scp_transfer.rs
index 34907a0..dbeeca1 100644
--- a/src/filetransfer/scp_transfer.rs
+++ b/src/filetransfer/scp_transfer.rs
@@ -25,12 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Dependencies
-#[cfg(os_target = "windows")]
-extern crate path_slash;
-extern crate regex;
-extern crate ssh2;
-
 // Locals
 use super::{FileTransfer, FileTransferError, FileTransferErrorType};
 use crate::fs::{FsDirectory, FsEntry, FsFile};
diff --git a/src/filetransfer/sftp_transfer.rs b/src/filetransfer/sftp_transfer.rs
index 5f353f0..54dcf51 100644
--- a/src/filetransfer/sftp_transfer.rs
+++ b/src/filetransfer/sftp_transfer.rs
@@ -25,9 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Dependencies
-extern crate ssh2;
-
 // Locals
 use super::{FileTransfer, FileTransferError, FileTransferErrorType};
 use crate::fs::{FsDirectory, FsEntry, FsFile};
diff --git a/src/fs/explorer/formatter.rs b/src/fs/explorer/formatter.rs
index 96bdbba..d3448fb 100644
--- a/src/fs/explorer/formatter.rs
+++ b/src/fs/explorer/formatter.rs
@@ -25,11 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Deps
-extern crate bytesize;
-extern crate regex;
-#[cfg(target_family = "unix")]
-extern crate users;
 // Locals
 use super::FsEntry;
 use crate::utils::fmt::{fmt_path_elide, fmt_pex, fmt_time};
diff --git a/src/fs/explorer/mod.rs b/src/fs/explorer/mod.rs
index 320867b..3d33421 100644
--- a/src/fs/explorer/mod.rs
+++ b/src/fs/explorer/mod.rs
@@ -28,8 +28,6 @@
 // Mods
 pub(crate) mod builder;
 mod formatter;
-// Deps
-extern crate bitflags;
 // Locals
 use super::FsEntry;
 use formatter::Formatter;
diff --git a/src/host/mod.rs b/src/host/mod.rs
index f832f6e..f9913de 100644
--- a/src/host/mod.rs
+++ b/src/host/mod.rs
@@ -25,8 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// dependencies
-extern crate wildmatch;
 // ext
 use std::fs::{self, File, Metadata, OpenOptions};
 use std::path::{Path, PathBuf};
diff --git a/src/lib.rs b/src/lib.rs
index 3847ecd..ba2e3d9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -32,12 +32,36 @@
 
 #[macro_use]
 extern crate bitflags;
+extern crate bytesize;
+extern crate chrono;
+extern crate content_inspector;
+extern crate crossterm;
+extern crate dirs;
+extern crate edit;
+extern crate ftp4;
+extern crate hostname;
+#[cfg(feature = "with-keyring")]
+extern crate keyring;
 #[macro_use]
 extern crate lazy_static;
 #[macro_use]
 extern crate log;
 #[macro_use]
 extern crate magic_crypt;
+extern crate open;
+#[cfg(target_os = "windows")]
+extern crate path_slash;
+extern crate rand;
+extern crate regex;
+extern crate ssh2;
+extern crate tempfile;
+extern crate textwrap;
+extern crate tuirealm;
+extern crate ureq;
+#[cfg(target_family = "unix")]
+extern crate users;
+extern crate whoami;
+extern crate wildmatch;
 
 pub mod activity_manager;
 pub mod bookmarks;
diff --git a/src/system/bookmarks_client.rs b/src/system/bookmarks_client.rs
index f17680f..e9afd48 100644
--- a/src/system/bookmarks_client.rs
+++ b/src/system/bookmarks_client.rs
@@ -25,8 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Deps
-extern crate whoami;
 // Crate
 #[cfg(any(target_os = "windows", target_os = "macos"))]
 use super::keys::keyringstorage::KeyringStorage;
diff --git a/src/system/config_client.rs b/src/system/config_client.rs
index 9caaa0b..babc379 100644
--- a/src/system/config_client.rs
+++ b/src/system/config_client.rs
@@ -25,8 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Deps
-extern crate rand;
 // Locals
 use crate::config::serializer::ConfigSerializer;
 use crate::config::{SerializerError, SerializerErrorKind, UserConfig};
diff --git a/src/system/environment.rs b/src/system/environment.rs
index c17cc99..ce1db6e 100644
--- a/src/system/environment.rs
+++ b/src/system/environment.rs
@@ -25,9 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Deps
-extern crate dirs;
-
 // Ext
 use std::path::{Path, PathBuf};
 
diff --git a/src/system/keys/keyringstorage.rs b/src/system/keys/keyringstorage.rs
index 5fae681..349357f 100644
--- a/src/system/keys/keyringstorage.rs
+++ b/src/system/keys/keyringstorage.rs
@@ -25,8 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Deps
-extern crate keyring;
 // Local
 use super::{KeyStorage, KeyStorageError};
 // Ext
@@ -100,8 +98,6 @@ impl KeyStorage for KeyringStorage {
 
 #[cfg(test)]
 mod tests {
-
-    extern crate whoami;
     use super::*;
 
     use pretty_assertions::assert_eq;
diff --git a/src/ui/activities/auth/bookmarks.rs b/src/ui/activities/auth/bookmarks.rs
index 7bf4534..44c4499 100644
--- a/src/ui/activities/auth/bookmarks.rs
+++ b/src/ui/activities/auth/bookmarks.rs
@@ -25,9 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Dependencies
-extern crate dirs;
-
 // Locals
 use super::{AuthActivity, FileTransferProtocol};
 use crate::system::bookmarks_client::BookmarksClient;
diff --git a/src/ui/activities/auth/mod.rs b/src/ui/activities/auth/mod.rs
index 76be0e0..a88ca79 100644
--- a/src/ui/activities/auth/mod.rs
+++ b/src/ui/activities/auth/mod.rs
@@ -31,10 +31,6 @@ mod misc;
 mod update;
 mod view;
 
-// Dependencies
-extern crate crossterm;
-extern crate tuirealm;
-
 // locals
 use super::{Activity, Context, ExitReason};
 use crate::filetransfer::FileTransferProtocol;
diff --git a/src/ui/activities/filetransfer/actions/copy.rs b/src/ui/activities/filetransfer/actions/copy.rs
index 27e43a6..1d28fe1 100644
--- a/src/ui/activities/filetransfer/actions/copy.rs
+++ b/src/ui/activities/filetransfer/actions/copy.rs
@@ -25,7 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-extern crate tempfile;
 // locals
 use super::{FileTransferActivity, FsEntry, LogLevel, SelectedEntry, TransferPayload};
 use crate::filetransfer::FileTransferErrorType;
diff --git a/src/ui/activities/filetransfer/actions/open.rs b/src/ui/activities/filetransfer/actions/open.rs
index d2536cc..c3de73a 100644
--- a/src/ui/activities/filetransfer/actions/open.rs
+++ b/src/ui/activities/filetransfer/actions/open.rs
@@ -25,8 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// deps
-extern crate open;
 // locals
 use super::{FileTransferActivity, FsEntry, LogLevel, SelectedEntry, TransferPayload};
 // ext
diff --git a/src/ui/activities/filetransfer/mod.rs b/src/ui/activities/filetransfer/mod.rs
index da53142..2c8be22 100644
--- a/src/ui/activities/filetransfer/mod.rs
+++ b/src/ui/activities/filetransfer/mod.rs
@@ -33,12 +33,6 @@ pub(self) mod session;
 pub(self) mod update;
 pub(self) mod view;
 
-// Dependencies
-extern crate chrono;
-extern crate crossterm;
-extern crate textwrap;
-extern crate tuirealm;
-
 // locals
 use super::{Activity, Context, ExitReason};
 use crate::filetransfer::ftp_transfer::FtpFileTransfer;
diff --git a/src/ui/activities/filetransfer/session.rs b/src/ui/activities/filetransfer/session.rs
index 8a55b83..6607a06 100644
--- a/src/ui/activities/filetransfer/session.rs
+++ b/src/ui/activities/filetransfer/session.rs
@@ -25,12 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Deps
-extern crate bytesize;
-extern crate content_inspector;
-extern crate crossterm;
-extern crate tempfile;
-
 // Locals
 use super::{FileTransferActivity, LogLevel};
 use crate::filetransfer::FileTransferError;
diff --git a/src/ui/activities/filetransfer/update.rs b/src/ui/activities/filetransfer/update.rs
index 272163d..55834ee 100644
--- a/src/ui/activities/filetransfer/update.rs
+++ b/src/ui/activities/filetransfer/update.rs
@@ -25,8 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// deps
-extern crate bytesize;
 // locals
 use super::{
     actions::SelectedEntry, browser::FileExplorerTab, FileTransferActivity, LogLevel,
diff --git a/src/ui/activities/filetransfer/view.rs b/src/ui/activities/filetransfer/view.rs
index ffc78a4..534173a 100644
--- a/src/ui/activities/filetransfer/view.rs
+++ b/src/ui/activities/filetransfer/view.rs
@@ -25,11 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Deps
-extern crate bytesize;
-extern crate hostname;
-#[cfg(target_family = "unix")]
-extern crate users;
 // locals
 use super::{browser::FileExplorerTab, Context, FileTransferActivity};
 use crate::fs::explorer::FileSorting;
diff --git a/src/ui/activities/setup/mod.rs b/src/ui/activities/setup/mod.rs
index 1040914..dc99cc8 100644
--- a/src/ui/activities/setup/mod.rs
+++ b/src/ui/activities/setup/mod.rs
@@ -32,10 +32,6 @@ mod config;
 mod update;
 mod view;
 
-// Deps
-extern crate crossterm;
-extern crate tuirealm;
-
 // Locals
 use super::{Activity, Context, ExitReason};
 // Ext
diff --git a/src/ui/components/msgbox.rs b/src/ui/components/msgbox.rs
index 8b21152..aae1120 100644
--- a/src/ui/components/msgbox.rs
+++ b/src/ui/components/msgbox.rs
@@ -25,9 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// deps
-extern crate textwrap;
-extern crate tuirealm;
 // locals
 use crate::utils::fmt::align_text_center;
 // ext
diff --git a/src/ui/context.rs b/src/ui/context.rs
index d9affa6..e790eb7 100644
--- a/src/ui/context.rs
+++ b/src/ui/context.rs
@@ -25,10 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Dependencies
-extern crate crossterm;
-extern crate tuirealm;
-
 // Locals
 use super::input::InputHandler;
 use super::store::Store;
diff --git a/src/ui/input.rs b/src/ui/input.rs
index 13026d6..083d488 100644
--- a/src/ui/input.rs
+++ b/src/ui/input.rs
@@ -25,8 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-extern crate crossterm;
-
 use crossterm::event::{poll, read, Event};
 use std::time::Duration;
 
diff --git a/src/utils/crypto.rs b/src/utils/crypto.rs
index a7a54e6..b90ffa2 100644
--- a/src/utils/crypto.rs
+++ b/src/utils/crypto.rs
@@ -25,9 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Deps
-extern crate magic_crypt;
-
 // Ext
 use magic_crypt::MagicCryptTrait;
 
diff --git a/src/utils/fmt.rs b/src/utils/fmt.rs
index 1957ab1..a7921e3 100644
--- a/src/utils/fmt.rs
+++ b/src/utils/fmt.rs
@@ -25,9 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-extern crate chrono;
-extern crate textwrap;
-
 use chrono::prelude::*;
 use std::path::{Path, PathBuf};
 use std::time::{Duration, SystemTime};
diff --git a/src/utils/git.rs b/src/utils/git.rs
index cab9070..c888b6e 100644
--- a/src/utils/git.rs
+++ b/src/utils/git.rs
@@ -25,8 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Deps
-extern crate ureq;
 // Locals
 use super::parser::parse_semver;
 // Others
diff --git a/src/utils/parser.rs b/src/utils/parser.rs
index 9ac603d..86c0286 100644
--- a/src/utils/parser.rs
+++ b/src/utils/parser.rs
@@ -25,11 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Dependencies
-extern crate chrono;
-extern crate regex;
-extern crate whoami;
-
 // Locals
 use crate::filetransfer::FileTransferProtocol;
 #[cfg(not(test))] // NOTE: don't use configuration during tests
diff --git a/src/utils/random.rs b/src/utils/random.rs
index 0cc2ad5..8afa1b0 100644
--- a/src/utils/random.rs
+++ b/src/utils/random.rs
@@ -25,8 +25,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-// Deps
-extern crate rand;
 // Ext
 use rand::{distributions::Alphanumeric, thread_rng, Rng};