diff --git a/Cargo.lock b/Cargo.lock
index 3e154d90f..466861d23 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9,7 +9,6 @@ dependencies = [
  "gstreamer 0.1.0",
  "gstreamer-audio-sys 0.1.1 (git+https://github.com/sdroege/gstreamer-sys)",
  "gstreamer-sys 0.1.1 (git+https://github.com/sdroege/gstreamer-sys)",
- "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustdoc-stripper 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/gstreamer-audio/Cargo.toml b/gstreamer-audio/Cargo.toml
index cc0ea59fc..47ed558e4 100644
--- a/gstreamer-audio/Cargo.toml
+++ b/gstreamer-audio/Cargo.toml
@@ -19,7 +19,6 @@ gstreamer-sys = { version = "0.1.1", git = "https://github.com/sdroege/gstreamer
 gstreamer-audio-sys = { version = "0.1.1", git = "https://github.com/sdroege/gstreamer-sys", features = ["v1_8"] }
 glib = { version = "0.1.3", git = "https://github.com/gtk-rs/glib" }
 gstreamer = { version = "0.1.0", path = "../gstreamer" }
-lazy_static = "0.2"
 
 [build-dependencies.rustdoc-stripper]
 version = "0.1"
diff --git a/gstreamer-audio/src/lib.rs b/gstreamer-audio/src/lib.rs
index fc10fc7e9..b288910f5 100644
--- a/gstreamer-audio/src/lib.rs
+++ b/gstreamer-audio/src/lib.rs
@@ -9,8 +9,6 @@
 #[macro_use]
 extern crate bitflags;
 extern crate libc;
-#[macro_use]
-extern crate lazy_static;
 
 extern crate glib_sys as glib_ffi;
 extern crate gobject_sys as gobject_ffi;
@@ -18,15 +16,8 @@ extern crate gstreamer_sys as gst_ffi;
 extern crate gstreamer_audio_sys as ffi;
 extern crate gstreamer as gst;
 
-#[macro_use]
 extern crate glib;
 
-macro_rules! callback_guard {
-    () => (
-        let _guard = ::glib::CallbackGuard::new();
-    )
-}
-
 macro_rules! skip_assert_initialized {
     () => (
     )