diff --git a/examples/advanced-gen-texture-light/main.zig b/examples/advanced-gen-texture-light/main.zig
index 32d6661f..9aef7473 100755
--- a/examples/advanced-gen-texture-light/main.zig
+++ b/examples/advanced-gen-texture-light/main.zig
@@ -38,7 +38,7 @@ pub fn init(app: *App, engine: *mach.Engine) !void {
     const eye = vec3(5.0, 7.0, 5.0);
     const target = vec3(0.0, 0.0, 0.0);
 
-    const size = try engine.core.getFramebufferSize();
+    const size = engine.core.getFramebufferSize();
     const aspect_ratio = @intToFloat(f32, size.width) / @intToFloat(f32, size.height);
 
     app.queue = engine.gpu_driver.device.getQueue();
diff --git a/examples/gkurve/main.zig b/examples/gkurve/main.zig
index 809f33d1..f404f4ed 100644
--- a/examples/gkurve/main.zig
+++ b/examples/gkurve/main.zig
@@ -99,7 +99,7 @@ pub fn init(app: *App, engine: *mach.Engine) !void {
         app.texture_atlas_data.data,
     );
 
-    const wsize = try engine.core.getWindowSize();
+    const wsize = engine.core.getWindowSize();
     const window_width = @intToFloat(f32, wsize.width);
     const window_height = @intToFloat(f32, wsize.height);
     const triangle_scale = 250;
@@ -324,7 +324,7 @@ pub fn getVertexUniformBufferObject(engine: *mach.Engine) !draw.VertexUniform {
     // On e.g. macOS, window size may be 640x480 while framebuffer size may be
     // 1280x960 (subpixels.) Doing this lets us use a pixel, not subpixel,
     // coordinate system.
-    const window_size = try engine.core.getWindowSize();
+    const window_size = engine.core.getWindowSize();
     const proj = zm.orthographicRh(
         @intToFloat(f32, window_size.width),
         @intToFloat(f32, window_size.height),
diff --git a/src/Engine.zig b/src/Engine.zig
index 516a4251..aa64c309 100644
--- a/src/Engine.zig
+++ b/src/Engine.zig
@@ -39,14 +39,14 @@ pub const Core = struct {
     // Returns the framebuffer size, in subpixel units.
     //
     // e.g. returns 1280x960 on macOS for a window that is 640x480
-    pub fn getFramebufferSize(core: *Core) !structs.Size {
+    pub fn getFramebufferSize(core: *Core) structs.Size {
         return core.internal.getFramebufferSize();
     }
 
     // Returns the widow size, in pixel units.
     //
-    // e.g. returns 1280x960 on macOS for a window that is 640x480
-    pub fn getWindowSize(core: *Core) !structs.Size {
+    // e.g. returns 640x480 on macOS for a window that is 640x480
+    pub fn getWindowSize(core: *Core) structs.Size {
         return core.internal.getWindowSize();
     }
 
diff --git a/src/platform/native.zig b/src/platform/native.zig
index d3d3094d..bb194e82 100644
--- a/src/platform/native.zig
+++ b/src/platform/native.zig
@@ -349,7 +349,7 @@ pub const GpuDriver = struct {
             },
         };
 
-        var framebuffer_size = try engine.core.getFramebufferSize();
+        var framebuffer_size = engine.core.getFramebufferSize();
 
         // If targeting OpenGL, we can't use the newer WGPUSurface API. Instead, we need to use the
         // older Dawn-specific API. https://bugs.chromium.org/p/dawn/issues/detail?id=269&q=surface&can=2
@@ -440,7 +440,7 @@ pub fn main() !void {
         engine.delta_time_ns = engine.timer.lapPrecise();
         engine.delta_time = @intToFloat(f32, engine.delta_time_ns) / @intToFloat(f32, std.time.ns_per_s);
 
-        var framebuffer_size = try engine.core.getFramebufferSize();
+        var framebuffer_size = engine.core.getFramebufferSize();
         engine.gpu_driver.target_desc.width = framebuffer_size.width;
         engine.gpu_driver.target_desc.height = framebuffer_size.height;
 
diff --git a/src/platform/wasm.zig b/src/platform/wasm.zig
index 35db409f..3aab40ab 100644
--- a/src/platform/wasm.zig
+++ b/src/platform/wasm.zig
@@ -44,14 +44,14 @@ pub const Core = struct {
 
     pub fn setShouldClose(_: *Core, _: bool) void {}
 
-    pub fn getFramebufferSize(core: *Core) !structs.Size {
+    pub fn getFramebufferSize(core: *Core) structs.Size {
         return structs.Size{
             .width = js.machCanvasGetFramebufferWidth(core.id),
             .height = js.machCanvasGetFramebufferHeight(core.id),
         };
     }
 
-    pub fn getWindowSize(core: *Core) !structs.Size {
+    pub fn getWindowSize(core: *Core) structs.Size {
         return structs.Size{
             .width = js.machCanvasGetWindowWidth(core.id),
             .height = js.machCanvasGetWindowHeight(core.id),