diff --git a/src/main/java/com/gregor/jprototerm/GhosttyTerminalRenderer.java b/src/main/java/com/gregor/jprototerm/GhosttyTerminalRenderer.java
index 82434d9..4cf7365 100644
--- a/src/main/java/com/gregor/jprototerm/GhosttyTerminalRenderer.java
+++ b/src/main/java/com/gregor/jprototerm/GhosttyTerminalRenderer.java
@@ -17,9 +17,7 @@ import javafx.scene.image.Image;
 import javafx.scene.image.PixelFormat;
 import javafx.scene.image.WritableImage;
 import javafx.scene.paint.Color;
-import javafx.scene.text.Font;
 import javafx.scene.text.FontSmoothingType;
-import javafx.scene.text.Text;
 
 import java.io.ByteArrayInputStream;
 import java.util.HashMap;
@@ -53,10 +51,6 @@ final class GhosttyTerminalRenderer extends TerminalRenderer {
     private final TerminalMetrics metrics;
     // Decoded kitty images for this renderer's pane (kitty graphics state is per-terminal).
     private final Map<KittyImageKey, Image> kittyImageCache = new HashMap<>();
-    private final StringBuilder asciiRun = new StringBuilder(256);
-    private Font asciiBatchFont;
-    private double asciiBatchCellWidth;
-    private boolean asciiBatchSafe;
 
     GhosttyTerminalRenderer(TerminalMetrics metrics) {
         this.metrics = metrics;
@@ -377,95 +371,14 @@ final class GhosttyTerminalRenderer extends TerminalRenderer {
             double cellWidth,
             double lineHeight
     ) {
-        boolean canBatchAscii = canBatchAscii();
-        StringBuilder run = asciiRun;
-        run.setLength(0);
-        Color runForeground = null;
-        int runStartColumn = 0;
-        int previousColumn = -1;
-
         for (RenderCell cell : row.cells()) {
             if (cell.kittyPlaceholder().isPresent() || cell.codepoints().length == 0) {
-                flushAsciiRun(gc, run, runForeground, left, baseline, cellWidth, lineHeight, row.row(), runStartColumn);
-                runForeground = null;
-                previousColumn = -1;
                 continue;
             }
 
-            Color foreground = cellForegroundColor(cell);
-            if (canBatchAscii && isBatchableAscii(cell)) {
-                if (run.length() == 0 || foreground != runForeground || cell.column() != previousColumn + 1) {
-                    flushAsciiRun(gc, run, runForeground, left, baseline, cellWidth, lineHeight, row.row(), runStartColumn);
-                    runForeground = foreground;
-                    runStartColumn = cell.column();
-                }
-                run.append(cell.text());
-                previousColumn = cell.column();
-                continue;
-            }
-
-            flushAsciiRun(gc, run, runForeground, left, baseline, cellWidth, lineHeight, row.row(), runStartColumn);
-            runForeground = null;
-            previousColumn = -1;
-            gc.setFill(foreground);
+            gc.setFill(cellForegroundColor(cell));
             gc.fillText(cell.text(), left + (cell.column() * cellWidth), baseline + (row.row() * lineHeight));
         }
-        flushAsciiRun(gc, run, runForeground, left, baseline, cellWidth, lineHeight, row.row(), runStartColumn);
-    }
-
-    private boolean canBatchAscii() {
-        Font font = metrics.font();
-        double cellWidth = metrics.cellWidth();
-        if (font == asciiBatchFont && cellWidth == asciiBatchCellWidth) {
-            return asciiBatchSafe;
-        }
-
-        asciiBatchFont = font;
-        asciiBatchCellWidth = cellWidth;
-        asciiBatchSafe = printableAsciiHasCellWidth(font, cellWidth);
-        return asciiBatchSafe;
-    }
-
-    private static boolean printableAsciiHasCellWidth(Font font, double cellWidth) {
-        Text probe = new Text();
-        probe.setFont(font);
-        for (int codepoint = 0x20; codepoint <= 0x7e; codepoint++) {
-            probe.setText(Character.toString((char) codepoint));
-            if (Math.abs(Math.round(probe.getLayoutBounds().getWidth()) - cellWidth) > 0.01) {
-                return false;
-            }
-        }
-        for (String sample : List.of("iiii", "mmmm", "WwWw", "0O0O", "fi", "->", "==", "!=", "<=", ">=")) {
-            probe.setText(sample);
-            if (Math.abs(Math.round(probe.getLayoutBounds().getWidth()) - (sample.length() * cellWidth)) > 0.01) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    private static boolean isBatchableAscii(RenderCell cell) {
-        int[] codepoints = cell.codepoints();
-        return codepoints.length == 1 && codepoints[0] >= 0x20 && codepoints[0] <= 0x7e;
-    }
-
-    private static void flushAsciiRun(
-            GraphicsContext gc,
-            StringBuilder run,
-            Color foreground,
-            double left,
-            double baseline,
-            double cellWidth,
-            double lineHeight,
-            int row,
-            int startColumn
-    ) {
-        if (run.length() == 0) {
-            return;
-        }
-        gc.setFill(foreground);
-        gc.fillText(run.toString(), left + (startColumn * cellWidth), baseline + (row * lineHeight));
-        run.setLength(0);
     }
 
     // Background override for a cell: null means the pane default background already covers it.