diff --git a/src/nostalgia/core/color.hpp b/src/nostalgia/core/color.hpp
index 3f7db244..3e003120 100644
--- a/src/nostalgia/core/color.hpp
+++ b/src/nostalgia/core/color.hpp
@@ -92,7 +92,7 @@ constexpr uint8_t blue32(Color32 c) noexcept {
 
 
 [[nodiscard]]
-constexpr Color16 color16(uint8_t r, uint8_t g, uint8_t b) {
+constexpr Color16 color16(uint8_t r, uint8_t g, uint8_t b) noexcept {
 	return r | (g << 5) | (b << 10);
 }
 
diff --git a/src/nostalgia/core/context.hpp b/src/nostalgia/core/context.hpp
index 6ad84305..bc36ca15 100644
--- a/src/nostalgia/core/context.hpp
+++ b/src/nostalgia/core/context.hpp
@@ -26,6 +26,7 @@ class Context {
 		}
 
 		template<typename T>
+		[[nodiscard]]
 		constexpr T *windowerData() noexcept {
 			return static_cast<T*>(m_windowerData);
 		}
@@ -35,6 +36,7 @@ class Context {
 		}
 
 		template<typename T>
+		[[nodiscard]]
 		constexpr T *rendererData() noexcept {
 			return static_cast<T*>(m_rendererData);
 		}
diff --git a/src/nostalgia/core/gba/gfx.cpp b/src/nostalgia/core/gba/gfx.cpp
index c9ae74fb..91698ee6 100644
--- a/src/nostalgia/core/gba/gfx.cpp
+++ b/src/nostalgia/core/gba/gfx.cpp
@@ -44,7 +44,7 @@ struct GbaTileMapTarget {
 };
 
 template<typename T>
-ox::Error modelRead(T *io, GbaPaletteTarget *t) {
+ox::Error modelRead(T *io, GbaPaletteTarget *t) noexcept {
 	io->template setTypeInfo<GbaPaletteTarget>();
 	const auto colorHandler = [t](std::size_t i, Color16 *c) {
 		t->palette[i] = *c;
@@ -54,7 +54,7 @@ ox::Error modelRead(T *io, GbaPaletteTarget *t) {
 }
 
 template<typename T>
-ox::Error modelRead(T *io, GbaTileMapTarget *t) {
+ox::Error modelRead(T *io, GbaTileMapTarget *t) noexcept {
 	io->template setTypeInfo<GbaTileMapTarget>();
 	uint8_t bpp;
 	int dummy;
diff --git a/src/nostalgia/core/gfx.hpp b/src/nostalgia/core/gfx.hpp
index 46c07c80..9f2ea706 100644
--- a/src/nostalgia/core/gfx.hpp
+++ b/src/nostalgia/core/gfx.hpp
@@ -44,14 +44,14 @@ struct NostalgiaGraphic {
 };
 
 template<typename T>
-constexpr ox::Error model(T *io, NostalgiaPalette *pal) {
+constexpr ox::Error model(T *io, NostalgiaPalette *pal) noexcept {
 	io->template setTypeInfo<NostalgiaPalette>();
 	oxReturnError(io->field("colors", &pal->colors));
 	return OxError(0);
 }
 
 template<typename T>
-constexpr ox::Error model(T *io, NostalgiaGraphic *ng) {
+constexpr ox::Error model(T *io, NostalgiaGraphic *ng) noexcept {
 	io->template setTypeInfo<NostalgiaGraphic>();
 	oxReturnError(io->field("bpp", &ng->bpp));
 	oxReturnError(io->field("rows", &ng->rows));