diff --git a/actix-rt/CHANGES.md b/actix-rt/CHANGES.md
index 0560ad31..0b9ea4c1 100644
--- a/actix-rt/CHANGES.md
+++ b/actix-rt/CHANGES.md
@@ -8,7 +8,9 @@
 
 ### Changed
 
-* Deprecate `Arbiter::is_running`and `Arbiter::local_join`. `Arbiter::spawn` would panic when `System` is not in scope. [#207]
+* Remove `'static` lifetime requirement for `Runtime::block_on` and `SystemRunner::block_on`. These functions would 
+accept a `&Self` when calling. Remove `'static` lifetime requirement for `System::run`. Deprecate `Arbiter::is_running`
+and `Arbiter::local_join`. `Arbiter::spawn` would panic when `System` is not in scope. [#207]
 
 ### Fixed
 
diff --git a/actix-rt/src/lib.rs b/actix-rt/src/lib.rs
index 12ad478d..9627eee6 100644
--- a/actix-rt/src/lib.rs
+++ b/actix-rt/src/lib.rs
@@ -1,6 +1,5 @@
 //! A runtime implementation that runs everything on the current thread.
-#![deny(rust_2018_idioms, warnings)]
-#![allow(clippy::type_complexity)]
+#![forbid(unsafe_code)]
 
 use std::future::Future;