diff --git a/iris/Cargo.lock b/iris/Cargo.lock
index 0796ff1..78e9db3 100644
--- a/iris/Cargo.lock
+++ b/iris/Cargo.lock
@@ -1070,7 +1070,6 @@ dependencies = [
  "fxhash",
  "image",
  "wgpu",
- "winit",
 ]
 
 [[package]]
diff --git a/iris/core/Cargo.toml b/iris/core/Cargo.toml
index a85a26d..71edca5 100644
--- a/iris/core/Cargo.toml
+++ b/iris/core/Cargo.toml
@@ -4,7 +4,6 @@ version.workspace = true
 edition.workspace = true
 
 [dependencies]
-winit = { workspace = true }
 wgpu = { workspace = true }
 bytemuck ={ workspace = true }
 image = { workspace = true }
diff --git a/iris/core/src/render/mod.rs b/iris/core/src/render/mod.rs
index 1695efa..0489ab5 100644
--- a/iris/core/src/render/mod.rs
+++ b/iris/core/src/render/mod.rs
@@ -3,14 +3,13 @@ use std::num::NonZero;
 use crate::{
     UiData, UiRenderState,
     render::{data::PrimitiveInstance, texture::GpuTextures, util::ArrBuf},
-    util::HashMap,
+    util::{HashMap, Vec2},
 };
 use data::WindowUniform;
 use wgpu::{
     util::{BufferInitDescriptor, DeviceExt},
     *,
 };
-use winit::dpi::PhysicalSize;
 
 mod data;
 mod primitive;
@@ -118,10 +117,15 @@ impl UiRenderNode {
         }
     }
 
-    pub fn resize(&mut self, size: &PhysicalSize<u32>, queue: &Queue) {
+    /// Takes a size rather than a window type: this is the only thing the
+    /// core wanted from winit, and depending on a windowing backend for two
+    /// numbers is what put `android-activity` in the core's graph for an
+    /// Android build that is meant to go through android-view instead.
+    pub fn resize(&mut self, size: impl Into<Vec2>, queue: &Queue) {
+        let size = size.into();
         let slice = &[WindowUniform {
-            width: size.width as f32,
-            height: size.height as f32,
+            width: size.x,
+            height: size.y,
         }];
         queue.write_buffer(&self.window_buffer, 0, bytemuck::cast_slice(slice));
     }
diff --git a/iris/src/default/render.rs b/iris/src/default/render.rs
index 625a9fa..970d44c 100644
--- a/iris/src/default/render.rs
+++ b/iris/src/default/render.rs
@@ -52,7 +52,7 @@ impl UiRenderer {
         self.config.width = size.width;
         self.config.height = size.height;
         self.surface.configure(&self.device, &self.config);
-        self.ui.resize(size, &self.queue);
+        self.ui.resize((size.width, size.height), &self.queue);
     }
 
     fn create_encoder(device: &Device) -> CommandEncoder {