diff --git a/src/commands/satisfying_sort/render.rs b/src/commands/satisfying_sort/render.rs
index 9117ca9..8a98dec 100644
--- a/src/commands/satisfying_sort/render.rs
+++ b/src/commands/satisfying_sort/render.rs
@@ -234,36 +234,12 @@ fn min_active_window_for_columns(n: usize, viewport_width: usize, target_columns
     max_step.saturating_mul(target_columns).clamp(1, n)
 }
 
-#[cfg(test)]
-fn half_block_cell(top: PixelStyle, bottom: PixelStyle) -> (PixelStyle, char) {
-    if top == PixelStyle::Off && bottom == PixelStyle::Off {
-        return (PixelStyle::Off, ' ');
-    }
-
-    match (top, bottom) {
-        (PixelStyle::Off, style) => (style, '▄'),
-        (style, PixelStyle::Off) => (style, '▀'),
-        (a, b) if a == b => (a, '█'),
-        (top_style, _) => (top_style, '▀'),
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use rand::{rngs::SmallRng, SeedableRng};
 
     use super::*;
 
-    #[test]
-    fn half_block_cells_use_block_glyphs_without_color() {
-        let (_, up) = half_block_cell(PixelStyle::Base, PixelStyle::Off);
-        let (_, down) = half_block_cell(PixelStyle::Off, PixelStyle::Base);
-        let (_, full) = half_block_cell(PixelStyle::Base, PixelStyle::Base);
-        assert_eq!(up, '▀');
-        assert_eq!(down, '▄');
-        assert_eq!(full, '█');
-    }
-
     #[test]
     fn compute_logo_viewport_is_square_in_unit_space() {
         let viewport = compute_logo_viewport(140, 50, 1.0).expect("viewport");