diff --git a/core/embed/rust/src/ui/gdc_poc.rs b/core/embed/rust/src/ui/gdc_poc.rs
index 1ae981105..ffd5d7ab3 100644
--- a/core/embed/rust/src/ui/gdc_poc.rs
+++ b/core/embed/rust/src/ui/gdc_poc.rs
@@ -136,9 +136,8 @@ fn draw_screen(split: Point) -> time::Duration {
     let bump_a = unsafe { &mut *core::ptr::addr_of_mut!(POOL_A) };
     let bump_b = unsafe { &mut *core::ptr::addr_of_mut!(POOL_B) };
     {
-        let mut context = DrawingContextImpl::new(bump_a, bump_b);
-
         let mut canvas = display::Canvas::acquire().unwrap();
+        let mut context = DrawingContextImpl::new(bump_a, bump_b);
 
         let vp = canvas.set_window(canvas.bounds().inset(Insets::new(20, 0, 0, 0)));
 
diff --git a/core/embed/rust/src/ui/shape/context/bitmap_cache.rs b/core/embed/rust/src/ui/shape/context/bitmap_cache.rs
index af1586997..6a8db8158 100644
--- a/core/embed/rust/src/ui/shape/context/bitmap_cache.rs
+++ b/core/embed/rust/src/ui/shape/context/bitmap_cache.rs
@@ -5,7 +5,7 @@ pub struct BitmapCache<'a> {
 }
 
 impl<'a> BitmapCache<'a> {
-    pub fn new<'alloc: 'a, T>(_pool: &'alloc T) -> BitmapCache<'alloc>
+    pub fn new<'alloc: 'a, T>(_pool: &'alloc T) -> Self
     where
         T: LocalAllocLeakExt<'alloc>,
     {
diff --git a/core/embed/rust/src/ui/shape/context/blur_cache.rs b/core/embed/rust/src/ui/shape/context/blur_cache.rs
index 0d539d487..d493ac05c 100644
--- a/core/embed/rust/src/ui/shape/context/blur_cache.rs
+++ b/core/embed/rust/src/ui/shape/context/blur_cache.rs
@@ -5,7 +5,7 @@ pub struct BlurCache<'a> {
 }
 
 impl<'a> BlurCache<'a> {
-    pub fn new<'alloc: 'a, T>(_pool: &'alloc T) -> BlurCache<'alloc>
+    pub fn new<'alloc: 'a, T>(_pool: &'alloc T) -> Self
     where
         T: LocalAllocLeakExt<'alloc>,
     {
diff --git a/core/embed/rust/src/ui/shape/context/context.rs b/core/embed/rust/src/ui/shape/context/context.rs
index 22fb9f206..b95adf66c 100644
--- a/core/embed/rust/src/ui/shape/context/context.rs
+++ b/core/embed/rust/src/ui/shape/context/context.rs
@@ -24,18 +24,17 @@ pub trait DrawingContext<'a> {
     ) -> Result<(), tjpgd::Error>;
 }
 
-pub struct DrawingContextImpl<'a, 'b> {
-    zlib_cache: ZlibCache<'a>,
-    jpeg_cache: JpegCache<'a>,
-    blur_cache: BlurCache<'a>,
-    bitmap_cache: BitmapCache<'b>,
+pub struct DrawingContextImpl<'alloc> {
+    zlib_cache: ZlibCache<'alloc>,
+    jpeg_cache: JpegCache<'alloc>,
+    blur_cache: BlurCache<'alloc>,
+    bitmap_cache: BitmapCache<'alloc>,
 }
 
-impl<'a, 'b> DrawingContextImpl<'a, 'b> {
-    pub fn new<TA, TB>(pool_a: &'a TA, pool_b: &'b TB) -> Self
+impl<'alloc> DrawingContextImpl<'alloc> {
+    pub fn new<TA>(pool_a: &'alloc TA, pool_b: &'alloc TA) -> Self
     where
-        TA: LocalAllocLeakExt<'a>,
-        TB: LocalAllocLeakExt<'b>,
+        TA: LocalAllocLeakExt<'alloc>,
     {
         Self {
             zlib_cache: ZlibCache::new(pool_a, 4),
@@ -46,7 +45,7 @@ impl<'a, 'b> DrawingContextImpl<'a, 'b> {
     }
 }
 
-impl<'a, 'b> DrawingContext<'a> for DrawingContextImpl<'a, 'b> {
+impl<'a> DrawingContext<'a> for DrawingContextImpl<'a> {
     fn deflate_toif(&mut self, toif: Toif<'static>, from_row: i16, dest_buf: &mut [u8]) {
         let from_offset = toif.stride() * from_row as usize;
         self.zlib_cache
diff --git a/core/embed/rust/src/ui/shape/context/jpeg_cache.rs b/core/embed/rust/src/ui/shape/context/jpeg_cache.rs
index d54ec4601..9d5dd8552 100644
--- a/core/embed/rust/src/ui/shape/context/jpeg_cache.rs
+++ b/core/embed/rust/src/ui/shape/context/jpeg_cache.rs
@@ -180,7 +180,7 @@ pub struct JpegCache<'a> {
 }
 
 impl<'a> JpegCache<'a> {
-    pub fn new<'alloc: 'a, T>(pool: &'alloc T, slot_count: usize) -> JpegCache<'a>
+    pub fn new<'alloc: 'a, T>(pool: &'alloc T, slot_count: usize) -> Self
     where
         T: LocalAllocLeakExt<'alloc>,
     {
diff --git a/core/embed/rust/src/ui/shape/context/zlib_cache.rs b/core/embed/rust/src/ui/shape/context/zlib_cache.rs
index afecaae5a..2b3c79120 100644
--- a/core/embed/rust/src/ui/shape/context/zlib_cache.rs
+++ b/core/embed/rust/src/ui/shape/context/zlib_cache.rs
@@ -97,7 +97,7 @@ pub struct ZlibCache<'a> {
 }
 
 impl<'a> ZlibCache<'a> {
-    pub fn new<'alloc: 'a, T>(pool: &'alloc T, slot_count: usize) -> ZlibCache<'alloc>
+    pub fn new<'alloc: 'a, T>(pool: &'alloc T, slot_count: usize) -> Self
     where
         T: LocalAllocLeakExt<'alloc>,
     {
diff --git a/core/embed/rust/src/ui/shape/render.rs b/core/embed/rust/src/ui/shape/render.rs
index 6cf12d2ea..5ed7f1571 100644
--- a/core/embed/rust/src/ui/shape/render.rs
+++ b/core/embed/rust/src/ui/shape/render.rs
@@ -110,9 +110,9 @@ struct ShapeHolder<'a> {
 }
 
 /// A more advanced Renderer implementation that supports deferred rendering.
-pub struct ProgressiveRenderer<'can, 'ctx, 'alloc, T: LocalAllocLeakExt<'alloc>> {
+pub struct ProgressiveRenderer<'a, 'alloc, T: LocalAllocLeakExt<'alloc>> {
     /// Target canvas
-    canvas: &'can mut dyn rgb::RgbCanvas,
+    canvas: &'a mut dyn rgb::RgbCanvas,
     /// Pool for cloning shapes
     pool: &'alloc T,
     /// List of rendered shapes
@@ -122,18 +122,18 @@ pub struct ProgressiveRenderer<'can, 'ctx, 'alloc, T: LocalAllocLeakExt<'alloc>>
     // Default background color
     bg_color: Option<Color>,
     /// Drawing context (decompression context, scratch-pad memory)
-    drawing_context: &'ctx mut dyn DrawingContext<'alloc>,
+    drawing_context: &'a mut dyn DrawingContext<'alloc>,
 }
 
-impl<'can, 'ctx, 'alloc, T> ProgressiveRenderer<'can, 'ctx, 'alloc, T>
+impl<'a, 'alloc, T> ProgressiveRenderer<'a, 'alloc, T>
 where
     T: LocalAllocLeakExt<'alloc>,
 {
     /// Creates a new ProgressiveRenderer instance
     pub fn new(
-        canvas: &'can mut dyn rgb::RgbCanvas,
+        canvas: &'a mut dyn rgb::RgbCanvas,
         bg_color: Option<Color>,
-        context: &'ctx mut dyn DrawingContext<'alloc>,
+        context: &'a mut dyn DrawingContext<'alloc>,
         pool: &'alloc T,
         max_shapes: usize,
     ) -> Self {
@@ -193,7 +193,7 @@ where
     }
 }
 
-impl<'can, 'ctx, 'alloc, T> Renderer for ProgressiveRenderer<'can, 'ctx, 'alloc, T>
+impl<'a, 'alloc, T> Renderer for ProgressiveRenderer<'a, 'alloc, T>
 where
     T: LocalAllocLeakExt<'alloc>,
 {