diff --git a/Userland/Libraries/LibGfx/Matrix.h b/Userland/Libraries/LibGfx/Matrix.h
index af7358c017..638ced76f5 100644
--- a/Userland/Libraries/LibGfx/Matrix.h
+++ b/Userland/Libraries/LibGfx/Matrix.h
@@ -50,7 +50,7 @@ public:
     constexpr auto elements() const { return m_elements; }
     constexpr auto elements() { return m_elements; }
 
-    constexpr Matrix operator*(Matrix const& other) const
+    [[nodiscard]] constexpr Matrix operator*(Matrix const& other) const
     {
         Matrix product;
         for (size_t i = 0; i < N; ++i) {
@@ -84,7 +84,7 @@ public:
         return product;
     }
 
-    constexpr Matrix operator+(Matrix const& other) const
+    [[nodiscard]] constexpr Matrix operator+(Matrix const& other) const
     {
         Matrix sum;
         for (size_t i = 0; i < N; ++i) {
@@ -94,7 +94,7 @@ public:
         return sum;
     }
 
-    constexpr Matrix operator/(T divisor) const
+    [[nodiscard]] constexpr Matrix operator/(T divisor) const
     {
         Matrix division;
         for (size_t i = 0; i < N; ++i) {
@@ -104,7 +104,7 @@ public:
         return division;
     }
 
-    friend constexpr Matrix operator*(Matrix const& matrix, T scalar)
+    [[nodiscard]] friend constexpr Matrix operator*(Matrix const& matrix, T scalar)
     {
         Matrix scaled;
         for (size_t i = 0; i < N; ++i) {
@@ -114,7 +114,7 @@ public:
         return scaled;
     }
 
-    friend constexpr Matrix operator*(T scalar, Matrix const& matrix)
+    [[nodiscard]] friend constexpr Matrix operator*(T scalar, Matrix const& matrix)
     {
         return matrix * scalar;
     }