diff --git a/src/conversions.rs b/src/conversions.rs
index de5a5230..0c4579f4 100644
--- a/src/conversions.rs
+++ b/src/conversions.rs
@@ -17,7 +17,7 @@ impl<Item: Clone, const INLINE: usize> From<&[Item]> for SmallVec<Item, INLINE,
     fn from(slice: &[Item]) -> Self {
         if slice.len() > Self::inline_size() {
             // Standard Rust vectors are already specialized.
-            Self::from_vec(Vec::from(slice))
+            Vec::from(slice).into()
         } else {
             // SAFETY: The precondition is checked in the initial comparison
             // above.
@@ -153,6 +153,6 @@ impl<Item, const INLINE: usize, Heap: Allocator> From<SmallVec<Item, INLINE, Hea
 
 impl<T, const N: usize> From<Box<[T]>> for SmallVec<T, N> {
     fn from(boxed: Box<[T]>) -> Self {
-        Self::from_vec(boxed.into_vec())
+        boxed.into_vec().into()
     }
 }
diff --git a/src/lib.rs b/src/lib.rs
index dbd6390f..b829e233 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -228,6 +228,7 @@ impl<Item, const INLINE: usize> SmallVec<Item, INLINE, Global> {
     }
 
     #[inline]
+    #[deprecated(since = "2.0.0-beta.3", note = "use `From::<Vec<T>>::from` instead")]
     pub fn from_vec(vec: Vec<Item>) -> Self {
         if vec.capacity() == 0 {
             return Self::new();
@@ -1524,7 +1525,7 @@ pub fn from_elem<Item: Clone, const INLINE: usize>(
 ) -> SmallVec<Item, INLINE, Global> {
     if n > SmallVec::<Item, INLINE>::inline_size() {
         // Standard Rust vectors are already specialized.
-        SmallVec::from_vec(vec![elem; n])
+        vec![elem; n].into()
     } else {
         #[cfg(feature = "specialization")]
         {