diff --git a/library/core/src/intrinsics/mod.rs b/library/core/src/intrinsics/mod.rs
index 82a7e3be9228e..2f6fb3ef947af 100644
--- a/library/core/src/intrinsics/mod.rs
+++ b/library/core/src/intrinsics/mod.rs
@@ -835,7 +835,6 @@ pub const fn forget<T: ?Sized>(_: T);
 /// }
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_allowed_through_unstable_modules = "import this function via `std::mem` instead"]
 #[rustc_const_stable(feature = "const_transmute", since = "1.56.0")]
 #[rustc_diagnostic_item = "transmute"]
 #[rustc_nounwind]
@@ -3021,7 +3020,6 @@ pub const fn ptr_metadata<P: ptr::Pointee<Metadata = M> + PointeeSized, M>(ptr:
 // debug assertions; if you are writing compiler tests or code inside the standard library
 // that wants to avoid those debug assertions, directly call this intrinsic instead.
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_allowed_through_unstable_modules = "import this function via `std::ptr` instead"]
 #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
 #[rustc_nounwind]
 #[rustc_intrinsic]
@@ -3032,7 +3030,6 @@ pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: us
 // debug assertions; if you are writing compiler tests or code inside the standard library
 // that wants to avoid those debug assertions, directly call this intrinsic instead.
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_allowed_through_unstable_modules = "import this function via `std::ptr` instead"]
 #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
 #[rustc_nounwind]
 #[rustc_intrinsic]
@@ -3043,7 +3040,6 @@ pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize);
 // debug assertions; if you are writing compiler tests or code inside the standard library
 // that wants to avoid those debug assertions, directly call this intrinsic instead.
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_allowed_through_unstable_modules = "import this function via `std::ptr` instead"]
 #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
 #[rustc_nounwind]
 #[rustc_intrinsic]