diff --git a/AK/Checked.h b/AK/Checked.h
index eaeb1bc3f2..8d5321d5b6 100644
--- a/AK/Checked.h
+++ b/AK/Checked.h
@@ -104,7 +104,7 @@ struct TypeBoundsChecker<Destination, Source, true, true, false> {
 };
 
 template<typename Destination, typename Source>
-constexpr bool is_within_range(Source value)
+[[nodiscard]] constexpr bool is_within_range(Source value)
 {
     return TypeBoundsChecker<Destination, Source>::is_within_range(value);
 }
@@ -149,7 +149,7 @@ public:
         return *this;
     }
 
-    constexpr bool has_overflow() const
+    [[nodiscard]] constexpr bool has_overflow() const
     {
         return m_overflow;
     }
@@ -265,7 +265,7 @@ public:
     }
 
     template<typename U, typename V>
-    static constexpr bool addition_would_overflow(U u, V v)
+    [[nodiscard]] static constexpr bool addition_would_overflow(U u, V v)
     {
 #ifdef __clang__
         Checked checked;
@@ -278,7 +278,7 @@ public:
     }
 
     template<typename U, typename V>
-    static constexpr bool multiplication_would_overflow(U u, V v)
+    [[nodiscard]] static constexpr bool multiplication_would_overflow(U u, V v)
     {
 #ifdef __clang__
         Checked checked;
@@ -291,7 +291,7 @@ public:
     }
 
     template<typename U, typename V, typename X>
-    static constexpr bool multiplication_would_overflow(U u, V v, X x)
+    [[nodiscard]] static constexpr bool multiplication_would_overflow(U u, V v, X x)
     {
         Checked checked;
         checked = u;