diff --git a/library/core/src/result.rs b/library/core/src/result.rs
index 0c0e6d291bb..c06b8965c75 100644
--- a/library/core/src/result.rs
+++ b/library/core/src/result.rs
@@ -1169,16 +1169,6 @@ impl<T: Deref, E> Result<T, E> {
     }
 }
 
-#[unstable(feature = "inner_deref", issue = "50264")]
-impl<T, E: Deref> Result<T, E> {
-    /// Converts from `Result<T, E>` (or `&Result<T, E>`) to `Result<&T, &<E as Deref>::Target>`.
-    ///
-    /// Coerces the [`Err`] variant of the original [`Result`] via [`Deref`](crate::ops::Deref)
-    /// and returns the new [`Result`].
-    pub fn as_deref_err(&self) -> Result<&T, &E::Target> {
-        self.as_ref().map_err(|e| e.deref())
-    }
-}
 
 #[unstable(feature = "inner_deref", issue = "50264")]
 impl<T: DerefMut, E> Result<T, E> {
@@ -1206,17 +1196,6 @@ impl<T: DerefMut, E> Result<T, E> {
     }
 }
 
-#[unstable(feature = "inner_deref", issue = "50264")]
-impl<T, E: DerefMut> Result<T, E> {
-    /// Converts from `Result<T, E>` (or `&mut Result<T, E>`) to `Result<&mut T, &mut <E as DerefMut>::Target>`.
-    ///
-    /// Coerces the [`Err`] variant of the original [`Result`] via [`DerefMut`](crate::ops::DerefMut)
-    /// and returns the new [`Result`].
-    pub fn as_deref_mut_err(&mut self) -> Result<&mut T, &mut E::Target> {
-        self.as_mut().map_err(|e| e.deref_mut())
-    }
-}
-
 impl<T, E> Result<Option<T>, E> {
     /// Transposes a `Result` of an `Option` into an `Option` of a `Result`.
     ///
diff --git a/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_err.rs b/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_err.rs
deleted file mode 100644
index 104aa3bcadf..00000000000
--- a/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_err.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-#![feature(inner_deref)]
-
-fn main() {
-    let _result = &Err(41).as_deref_err();
-//~^ ERROR no method named `as_deref_err` found
-}
diff --git a/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_err.stderr b/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_err.stderr
deleted file mode 100644
index 68ebfab95c4..00000000000
--- a/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_err.stderr
+++ /dev/null
@@ -1,13 +0,0 @@
-error[E0599]: no method named `as_deref_err` found for enum `std::result::Result<_, {integer}>` in the current scope
-  --> $DIR/result-as_deref_err.rs:4:28
-   |
-LL |     let _result = &Err(41).as_deref_err();
-   |                            ^^^^^^^^^^^^ help: there is an associated function with a similar name: `as_deref_mut`
-   |
-   = note: the method `as_deref_err` exists but the following trait bounds were not satisfied:
-           `{integer}: std::ops::Deref`
-           `<{integer} as std::ops::Deref>::Target = _`
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0599`.
diff --git a/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_mut_err.rs b/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_mut_err.rs
deleted file mode 100644
index b7849ecb6d2..00000000000
--- a/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_mut_err.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-#![feature(inner_deref)]
-
-fn main() {
-    let _result = &mut Err(41).as_deref_mut_err();
-//~^ ERROR no method named `as_deref_mut_err` found
-}
diff --git a/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_mut_err.stderr b/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_mut_err.stderr
deleted file mode 100644
index d724ae5c74b..00000000000
--- a/src/test/ui/issues/issue-50264-inner-deref-trait/result-as_deref_mut_err.stderr
+++ /dev/null
@@ -1,13 +0,0 @@
-error[E0599]: no method named `as_deref_mut_err` found for enum `std::result::Result<_, {integer}>` in the current scope
-  --> $DIR/result-as_deref_mut_err.rs:4:32
-   |
-LL |     let _result = &mut Err(41).as_deref_mut_err();
-   |                                ^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `as_deref_mut`
-   |
-   = note: the method `as_deref_mut_err` exists but the following trait bounds were not satisfied:
-           `{integer}: std::ops::DerefMut`
-           `<{integer} as std::ops::Deref>::Target = _`
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0599`.