diff --git a/pgrx/src/datum/from.rs b/pgrx/src/datum/from.rs
index 9e53c8ae6..832e492f8 100644
--- a/pgrx/src/datum/from.rs
+++ b/pgrx/src/datum/from.rs
@@ -195,11 +195,7 @@ impl FromDatum for pg_sys::Oid {
         if is_null {
             None
         } else {
-            datum
-                .value()
-                .try_into()
-                .ok()
-                .map(|uint| unsafe { pg_sys::Oid::from_u32_unchecked(uint) })
+            datum.value().try_into().ok().map(|uint: u32| pg_sys::Oid::from(uint))
         }
     }
 }
diff --git a/pgrx/src/pgbox.rs b/pgrx/src/pgbox.rs
index 139deb573..aa720d041 100644
--- a/pgrx/src/pgbox.rs
+++ b/pgrx/src/pgbox.rs
@@ -73,7 +73,7 @@ use std::ptr::NonNull;
 /// use pgrx::prelude::*;
 ///
 /// pub fn do_something()  {
-/// # let example_rel_oid = |i| { unsafe { pg_sys::Oid::from_u32_unchecked(i) } };
+/// # let example_rel_oid = |i| pg_sys::Oid::from(i);
 ///     // open a relation and project it as a pg_sys::Relation
 ///     let relid: pg_sys::Oid = example_rel_oid(42);
 ///     let lockmode = pg_sys::AccessShareLock as i32;
diff --git a/pgrx/src/rel.rs b/pgrx/src/rel.rs
index 9a9ff0125..2cd2f9c83 100644
--- a/pgrx/src/rel.rs
+++ b/pgrx/src/rel.rs
@@ -208,7 +208,7 @@ impl PgRelation {
     ///
     /// ```rust,no_run
     /// use pgrx::{PgRelation, pg_sys};
-    /// # let example_pg_class_oid = |i| { unsafe { pg_sys::Oid::from_u32_unchecked(i) } };
+    /// # let example_pg_class_oid = |i| pg_sys::Oid::from(i);
     /// let oid = example_pg_class_oid(42); // a valid pg_class "oid" value
     /// let relation = unsafe { PgRelation::from_pg(pg_sys::RelationIdGetRelation(oid) ) };
     /// let tupdesc = relation.tuple_desc();
@@ -309,7 +309,7 @@ impl FromDatum for PgRelation {
             None
         } else {
             Some(PgRelation::with_lock(
-                unsafe { pg_sys::Oid::from_u32_unchecked(u32::try_from(datum.value()).ok()?) },
+                pg_sys::Oid::from(u32::try_from(datum.value()).ok()?),
                 pg_sys::AccessShareLock as pg_sys::LOCKMODE,
             ))
         }
diff --git a/pgrx/src/tupdesc.rs b/pgrx/src/tupdesc.rs
index 9a5398ee9..aabd4daf8 100644
--- a/pgrx/src/tupdesc.rs
+++ b/pgrx/src/tupdesc.rs
@@ -116,7 +116,7 @@ impl<'a> PgTupleDesc<'a> {
     ///
     /// ```rust,no_run
     /// use pgrx::{pg_sys, PgTupleDesc};
-    /// # let example_pg_type_oid = |i| { unsafe { pg_sys::Oid::from_u32_unchecked(i) } };
+    /// # let example_pg_type_oid = |i| pg_sys::Oid::from(i);
     /// let typid = example_pg_type_oid(42); // a valid pg_type Oid
     /// let typmod = 0; // its corresponding typemod value
     /// let tupdesc = unsafe { PgTupleDesc::from_pg_is_copy(pg_sys::lookup_rowtype_tupdesc_copy(typid, typmod)) };