diff --git a/crates/core_simd/src/intrinsics.rs b/crates/core_simd/src/intrinsics.rs
index 45f01fa0f77b..d5466822b93c 100644
--- a/crates/core_simd/src/intrinsics.rs
+++ b/crates/core_simd/src/intrinsics.rs
@@ -153,7 +153,6 @@ extern "platform-intrinsic" {
     /// equivalent to wrapping_offset
     pub(crate) fn simd_arith_offset<T, U>(ptr: T, offset: U) -> T;
 
-    /*
     /// equivalent to `T as U` semantics, specifically for pointers
     pub(crate) fn simd_cast_ptr<T, U>(ptr: T) -> U;
 
@@ -162,17 +161,4 @@ extern "platform-intrinsic" {
 
     /// convert an exposed address back to a pointer
     pub(crate) fn simd_from_exposed_addr<T, U>(addr: T) -> U;
-    */
-}
-
-pub(crate) unsafe fn simd_cast_ptr<T, U>(_ptr: T) -> U {
-    unimplemented!()
-}
-
-pub(crate) unsafe fn simd_expose_addr<T, U>(_ptr: T) -> U {
-    unimplemented!()
-}
-
-pub(crate) unsafe fn simd_from_exposed_addr<T, U>(_addr: T) -> U {
-    unimplemented!()
 }