diff --git a/Cargo.lock b/Cargo.lock
index d2c1c8c77bd..f8b982fcc0e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1920,7 +1920,6 @@ dependencies = [
  "servo_url 0.0.1",
  "threadpool 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "tinyfiledialogs 3.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/components/net/Cargo.toml b/components/net/Cargo.toml
index 5e747577ada..7f1c402a4c0 100644
--- a/components/net/Cargo.toml
+++ b/components/net/Cargo.toml
@@ -49,9 +49,6 @@ url = "1.2"
 uuid = {version = "0.6", features = ["v4"]}
 webrender_api = {git = "https://github.com/servo/webrender", features = ["ipc"]}
 
-[target.'cfg(any(target_os = "macos", target_os = "linux", target_os = "windows"))'.dependencies]
-tinyfiledialogs = "3.0"
-
 [[test]]
 name = "main"
 path = "tests/main.rs"
diff --git a/components/net/filemanager_thread.rs b/components/net/filemanager_thread.rs
index bc433895ba9..97807f3f01e 100644
--- a/components/net/filemanager_thread.rs
+++ b/components/net/filemanager_thread.rs
@@ -21,71 +21,9 @@ use std::sync::atomic::{self, AtomicBool, AtomicUsize, Ordering};
 use std::sync::mpsc::Sender;
 use std::thread;
 #[cfg(any(target_os = "macos", target_os = "linux", target_os = "windows"))]
-use tinyfiledialogs;
 use url::Url;
 use uuid::Uuid;
 
-/// The provider of file-dialog UI should implement this trait.
-/// It will be used to initialize a generic FileManager.
-/// For example, we can choose a dummy UI for testing purpose.
-pub trait UIProvider where Self: Sync {
-    fn open_file_dialog(&self, path: &str, patterns: Vec<FilterPattern>) -> Option<String>;
-
-    fn open_file_dialog_multi(&self, path: &str, patterns: Vec<FilterPattern>) -> Option<Vec<String>>;
-}
-
-pub struct TFDProvider;
-
-impl UIProvider for TFDProvider {
-    #[cfg(any(target_os = "macos", target_os = "linux", target_os = "windows"))]
-    fn open_file_dialog(&self, path: &str, patterns: Vec<FilterPattern>) -> Option<String> {
-        if opts::get().headless {
-            return None;
-        }
-
-        let mut filter = vec![];
-        for p in patterns {
-            let s = "*.".to_string() + &p.0;
-            filter.push(s)
-        }
-
-        let filter_ref = &(filter.iter().map(|s| s.as_str()).collect::<Vec<&str>>()[..]);
-
-        let filter_opt = if filter.len() > 0 { Some((filter_ref, "")) } else { None };
-
-        tinyfiledialogs::open_file_dialog("Pick a file", path, filter_opt)
-    }
-
-    #[cfg(any(target_os = "macos", target_os = "linux", target_os = "windows"))]
-    fn open_file_dialog_multi(&self, path: &str, patterns: Vec<FilterPattern>) -> Option<Vec<String>> {
-        if opts::get().headless {
-            return None;
-        }
-
-        let mut filter = vec![];
-        for p in patterns {
-            let s = "*.".to_string() + &p.0;
-            filter.push(s)
-        }
-
-        let filter_ref = &(filter.iter().map(|s| s.as_str()).collect::<Vec<&str>>()[..]);
-
-        let filter_opt = if filter.len() > 0 { Some((filter_ref, "")) } else { None };
-
-        tinyfiledialogs::open_file_dialog_multi("Pick files", path, filter_opt)
-    }
-
-    #[cfg(not(any(target_os = "macos", target_os = "linux", target_os = "windows")))]
-    fn open_file_dialog(&self, _path: &str, _patterns: Vec<FilterPattern>) -> Option<String> {
-        None
-    }
-
-    #[cfg(not(any(target_os = "macos", target_os = "linux", target_os = "windows")))]
-    fn open_file_dialog_multi(&self, _path: &str, _patterns: Vec<FilterPattern>) -> Option<Vec<String>> {
-        None
-    }
-}
-
 /// FileManagerStore's entry
 struct FileStoreEntry {
     /// Origin of the entry's "creator"
diff --git a/components/net/lib.rs b/components/net/lib.rs
index 1e17fd0988d..6bfde683494 100644
--- a/components/net/lib.rs
+++ b/components/net/lib.rs
@@ -37,8 +37,6 @@ extern crate servo_arc;
 extern crate servo_config;
 extern crate servo_url;
 extern crate time;
-#[cfg(any(target_os = "macos", target_os = "linux", target_os = "windows"))]
-extern crate tinyfiledialogs;
 extern crate unicase;
 extern crate url;
 extern crate uuid;
diff --git a/components/net/resource_thread.rs b/components/net/resource_thread.rs
index fce89fd6624..6030f30dea4 100644
--- a/components/net/resource_thread.rs
+++ b/components/net/resource_thread.rs
@@ -11,7 +11,7 @@ use devtools_traits::DevtoolsControlMsg;
 use embedder_traits::resources::{self, Resource};
 use fetch::cors_cache::CorsCache;
 use fetch::methods::{CancellationListener, FetchContext, fetch};
-use filemanager_thread::{FileManager, TFDProvider};
+use filemanager_thread::FileManager;
 use hsts::HstsList;
 use http_cache::HttpCache;
 use http_loader::{HttpState, http_redirect_fetch};
@@ -47,8 +47,6 @@ use std::thread;
 use storage_thread::StorageThreadFactory;
 use websocket_loader;
 
-const TFD_PROVIDER: &'static TFDProvider = &TFDProvider;
-
 /// Returns a tuple of (public, private) senders to the new threads.
 pub fn new_resource_threads(user_agent: Cow<'static, str>,
                             devtools_chan: Option<Sender<DevtoolsControlMsg>>,