diff --git a/src/codec/context.rs b/src/codec/context.rs
index d4432aa..bbaae35 100644
--- a/src/codec/context.rs
+++ b/src/codec/context.rs
@@ -96,7 +96,6 @@ impl Context {
 		unsafe {
 			(*self.as_mut_ptr()).thread_type = config.kind.into();
 			(*self.as_mut_ptr()).thread_count = config.count as c_int;
-			(*self.as_mut_ptr()).thread_safe_callbacks = if config.safe { 1 } else { 0 };
 		}
 	}
 
@@ -105,7 +104,6 @@ impl Context {
 			threading::Config {
 				kind: threading::Type::from((*self.as_ptr()).active_thread_type),
 				count: (*self.as_ptr()).thread_count as usize,
-				safe: (*self.as_ptr()).thread_safe_callbacks != 0,
 			}
 		}
 	}
diff --git a/src/codec/threading.rs b/src/codec/threading.rs
index a71d64f..dc68acf 100644
--- a/src/codec/threading.rs
+++ b/src/codec/threading.rs
@@ -6,7 +6,6 @@ use crate::ffi::*;
 pub struct Config {
 	pub kind: Type,
 	pub count: usize,
-	pub safe: bool,
 }
 
 impl Config {
@@ -23,13 +22,6 @@ impl Config {
 			..Default::default()
 		}
 	}
-
-	pub fn safe(value: bool) -> Self {
-		Config {
-			safe: value,
-			..Default::default()
-		}
-	}
 }
 
 impl Default for Config {
@@ -37,7 +29,6 @@ impl Default for Config {
 		Config {
 			kind: Type::None,
 			count: 0,
-			safe: false,
 		}
 	}
 }