diff --git a/src/filter/mod.rs b/src/filter/mod.rs
index 271d9ad..d675ab7 100644
--- a/src/filter/mod.rs
+++ b/src/filter/mod.rs
@@ -17,22 +17,7 @@ use std::{
 };
 
 pub use self::graph::Graph;
-use crate::{ffi::*, Error};
-
-pub fn register_all() {
-	unsafe {
-		avfilter_register_all();
-	}
-}
-
-pub fn register(filter: &Filter) -> Result<(), Error> {
-	unsafe {
-		match avfilter_register(filter.as_ptr() as *mut _) {
-			0 => Ok(()),
-			_ => Err(Error::InvalidData),
-		}
-	}
-}
+use crate::ffi::*;
 
 pub fn version() -> u32 {
 	unsafe { avfilter_version() }
diff --git a/src/format/mod.rs b/src/format/mod.rs
index 1cc766f..6f1353c 100644
--- a/src/format/mod.rs
+++ b/src/format/mod.rs
@@ -22,24 +22,6 @@ use std::{
 
 use crate::{ffi::*, util::from_os_str, Dictionary, Error, Format};
 
-pub fn register_all() {
-	unsafe {
-		av_register_all();
-	}
-}
-
-pub fn register(format: &Format) {
-	match *format {
-		Format::Input(ref format) => unsafe {
-			av_register_input_format(format.as_ptr() as *mut _);
-		},
-
-		Format::Output(ref format) => unsafe {
-			av_register_output_format(format.as_ptr() as *mut _);
-		},
-	}
-}
-
 pub fn version() -> u32 {
 	unsafe { avformat_version() }
 }
diff --git a/src/lib.rs b/src/lib.rs
index 444584c..1c8fcb3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -70,14 +70,6 @@ fn init_util() {
 	util::log::register();
 }
 
-#[cfg(feature = "format")]
-fn init_format() {
-	format::register_all();
-}
-
-#[cfg(not(feature = "format"))]
-fn init_format() {}
-
 #[cfg(feature = "device")]
 fn init_device() {
 	device::register_all();
@@ -86,19 +78,9 @@ fn init_device() {
 #[cfg(not(feature = "device"))]
 fn init_device() {}
 
-#[cfg(feature = "filter")]
-fn init_filter() {
-	filter::register_all();
-}
-
-#[cfg(not(feature = "filter"))]
-fn init_filter() {}
-
 pub fn init() -> Result<()> {
 	init_util();
-	init_format();
 	init_device();
-	init_filter();
 
 	Ok(())
 }