diff --git a/boot/common/ui.c b/boot/common/ui.c
index 41f8221..4f168b2 100644
--- a/boot/common/ui.c
+++ b/boot/common/ui.c
@@ -304,7 +304,7 @@ ui_splash(const char *subtitle)
 /* --- Niveus -----------------------------------------------------------------
  *
  * The boot manager is drawn in the same language as the rest of the system
- * (docs/Website/niveus): windows are solid and carry three lights, controls are
+ * (docs/Website/niveus): windows are solid, controls are
  * bevelled keys with light falling across them, fields are wells cut into the
  * surface, and the ground under all of it is warm graphite rather than blue.
  *
@@ -335,9 +335,6 @@ ui_splash(const char *subtitle)
 #define NV_TXT        0xECEAE5u
 #define NV_TXT2       0xA9A7A1u
 #define NV_TXT3       0x74726Du
-#define NV_LIGHT_CLOSE 0xFF5F57u
-#define NV_LIGHT_MIN   0xFEBC2Eu
-#define NV_LIGHT_ZOOM  0x28C840u
 
 #define S(n) ((n) * SC)
 #define WHITE 0xFFFFFFu
@@ -491,17 +488,6 @@ shadow(int x, int y, int w, int h, int r)
     }
 }
 
-static void
-light(int x, int y, int d, ui_u32 colour, int tb_y, int tb_h)
-{
-    ui_u32 top = mix(colour, WHITE, 28, 100);
-    ui_u32 bot = mix(colour, BLACK, 22, 100);
-    ui_u32 rim = mix(colour, BLACK, 62, 100);
-    rrect(x - SC, y - SC, d + 2 * SC, d + 2 * SC, d / 2 + SC, rim, rim,
-          NV_TITLE_TOP, NV_TITLE_BOT, tb_y, tb_h);
-    rrect(x, y, d, d, d / 2, top, bot, rim, rim, 0, 1);
-}
-
 /* --- the pointer ----------------------------------------------------------- */
 
 #define CUR_W 12
@@ -598,11 +584,6 @@ window(int x, int y, int w, int h, const char *title)
     ui_fill_rect(x + SC, y + SC + tb - SC, w - 2 * SC, SC, NV_WIN_EDGE);
     ui_fill_rect(x + r, y + SC, w - 2 * r, SC, NV_HILITE);
 
-    int d = S(12), ly = y + SC + (tb - d) / 2, lx = x + S(18);
-    light(lx, ly, d, NV_LIGHT_CLOSE, y + SC, tb);
-    light(lx + S(20), ly, d, NV_LIGHT_MIN, y + SC, tb);
-    light(lx + S(40), ly, d, NV_LIGHT_ZOOM, y + SC, tb);
-
     int tw = nv_width(F_BODY, title);
     int base = y + SC + (tb - nv_height(F_BODY)) / 2 + F_BODY->ascent;
     nv_text(F_BODY, x + (w - tw) / 2, base, title, NV_TXT2,
diff --git a/docs/architecture/boot.md b/docs/architecture/boot.md
index 55dc6fc..978a169 100644
--- a/docs/architecture/boot.md
+++ b/docs/architecture/boot.md
@@ -334,7 +334,7 @@ is a mode switch whose failure mode is a triple fault with no console. The
 
 F8 (or `o` on a serial line) opens the boot manager. It used to be a text list
 on a dark plate; it is now drawn in the Niveus language the site is drawn in
-(`docs/Website/niveus`): a window with three lights, keys with a lit upper edge
+(`docs/Website/niveus`): a window with a title bar, keys with a lit upper edge
 and a shadow beneath, panels cut into the surface as wells, a graphite ground
 that darkens towards the bottom, and the mark above the list.