diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs
index cbb5b0627b77d..4c164952bde48 100644
--- a/library/alloc/src/vec/mod.rs
+++ b/library/alloc/src/vec/mod.rs
@@ -2491,6 +2491,7 @@ impl<T: Copy, A: Allocator> ExtendFromWithinSpec for Vec<T, A> {
 impl<T, A: Allocator> ops::Deref for Vec<T, A> {
     type Target = [T];
 
+    #[inline(always)]
     fn deref(&self) -> &[T] {
         unsafe { slice::from_raw_parts(self.as_ptr(), self.len) }
     }
@@ -2498,6 +2499,7 @@ impl<T, A: Allocator> ops::Deref for Vec<T, A> {
 
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T, A: Allocator> ops::DerefMut for Vec<T, A> {
+    #[inline(always)]
     fn deref_mut(&mut self) -> &mut [T] {
         unsafe { slice::from_raw_parts_mut(self.as_mut_ptr(), self.len) }
     }
@@ -2914,6 +2916,7 @@ impl<T, A: Allocator> AsMut<Vec<T, A>> for Vec<T, A> {
 
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T, A: Allocator> AsRef<[T]> for Vec<T, A> {
+    #[inline(always)]
     fn as_ref(&self) -> &[T] {
         self
     }
@@ -2921,6 +2924,7 @@ impl<T, A: Allocator> AsRef<[T]> for Vec<T, A> {
 
 #[stable(feature = "vec_as_mut", since = "1.5.0")]
 impl<T, A: Allocator> AsMut<[T]> for Vec<T, A> {
+    #[inline(always)]
     fn as_mut(&mut self) -> &mut [T] {
         self
     }
diff --git a/library/core/src/any.rs b/library/core/src/any.rs
index 3b15ab1e6895b..f2a56334064d8 100644
--- a/library/core/src/any.rs
+++ b/library/core/src/any.rs
@@ -619,6 +619,7 @@ impl TypeId {
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_const_unstable(feature = "const_type_id", issue = "77125")]
+    #[inline(always)]
     pub const fn of<T: ?Sized + 'static>() -> TypeId {
         TypeId { t: intrinsics::type_id::<T>() }
     }