diff --git a/src/tui/TerminalBuffer.zig b/src/tui/TerminalBuffer.zig
index 86240b9..555f26b 100644
--- a/src/tui/TerminalBuffer.zig
+++ b/src/tui/TerminalBuffer.zig
@@ -2,7 +2,6 @@ const std = @import("std");
 const builtin = @import("builtin");
 const interop = @import("../interop.zig");
 const Cell = @import("Cell.zig");
-const termbox_extras = @import("termbox_extras.zig");
 
 const Random = std.Random;
 
@@ -114,8 +113,8 @@ pub fn cascade(self: TerminalBuffer) bool {
             var cell: termbox.tb_cell = undefined;
             var cell_under: termbox.tb_cell = undefined;
 
-            _ = termbox_extras.tb_get_cell(@intCast(x), @intCast(y - 1), 1, &cell);
-            _ = termbox_extras.tb_get_cell(@intCast(x), @intCast(y), 1, &cell_under);
+            _ = termbox.tb_get_cell(@intCast(x), @intCast(y - 1), 1, &cell);
+            _ = termbox.tb_get_cell(@intCast(x), @intCast(y), 1, &cell_under);
 
             const char: u8 = @truncate(cell.ch);
             if (std.ascii.isWhitespace(char)) continue;
diff --git a/src/tui/termbox_extras.zig b/src/tui/termbox_extras.zig
deleted file mode 100644
index 314a1d8..0000000
--- a/src/tui/termbox_extras.zig
+++ /dev/null
@@ -1,26 +0,0 @@
-const std = @import("std");
-const interop = @import("../interop.zig");
-const termbox = interop.termbox;
-
-pub fn tb_get_cell(x: c_int, y: c_int, back: c_int, cell: *termbox.tb_cell) c_int {
-    if (back == 0) {
-        return termbox.TB_ERR;
-    }
-
-    const width = termbox.tb_width();
-    const height = termbox.tb_height();
-
-    if (x < 0 or x >= width or y < 0 or y >= height) {
-        return termbox.TB_ERR_OUT_OF_BOUNDS;
-    }
-
-    const buffer = termbox.tb_cell_buffer();
-    if (buffer == null) {
-        return termbox.TB_ERR_NOT_INIT;
-    }
-
-    const index = y * width + x;
-    cell.* = buffer[@intCast(index)];
-
-    return termbox.TB_OK;
-}