diff --git a/library/core/src/num/mod.rs b/library/core/src/num/mod.rs
index 3e47debf38f8f..a5ce315a94506 100644
--- a/library/core/src/num/mod.rs
+++ b/library/core/src/num/mod.rs
@@ -2191,4 +2191,36 @@ mod verify {
         usize,
         checked_f128_to_int_unchecked_usize
     );
+
+    // `unchecked_disjoint_bitor` proofs
+    generate_unchecked_math_harness!(
+        u8,
+        unchecked_disjoint_bitor,
+        checked_unchecked_disjoint_bitor_u8
+    );
+    generate_unchecked_math_harness!(
+        u16,
+        unchecked_disjoint_bitor,
+        checked_unchecked_disjoint_bitor_u16
+    );
+    generate_unchecked_math_harness!(
+        u32,
+        unchecked_disjoint_bitor,
+        checked_unchecked_disjoint_bitor_u32
+    );
+    generate_unchecked_math_harness!(
+        u64,
+        unchecked_disjoint_bitor,
+        checked_unchecked_disjoint_bitor_u64
+    );
+    generate_unchecked_math_harness!(
+        u128,
+        unchecked_disjoint_bitor,
+        checked_unchecked_disjoint_bitor_u128
+    );
+    generate_unchecked_math_harness!(
+        usize,
+        unchecked_disjoint_bitor,
+        checked_unchecked_disjoint_bitor_usize
+    );
 }