diff --git a/README.md b/README.md
index f9a3a5f..5192f6b 100644
--- a/README.md
+++ b/README.md
@@ -72,14 +72,10 @@ shows the spectrum with q-axes in nm⁻¹, intensity controls, and a radial
 profile; the tabs fit a reciprocal lattice, correct drift distortion,
 suppress mains pickup, and reconstruct a filtered image by inverse FFT.
 
-![FFT viewer on a moiré superlattice](docs/images/gui_fft.png)
-
 **Finding features.** `Measurements → Feature finder...` detects maxima or
 minima with threshold, spacing, and smoothing controls, then exports the
 coordinates to CSV or a synthetic feature image for lattice statistics.
 
-![Feature finder marking the minima of a moiré superlattice](docs/images/gui_feature_finder.png)
-
 ## Main features
 
 ProbeFlow is honest about being a focused toolkit rather than a do-everything
diff --git a/docs/gui.md b/docs/gui.md
index 4f86d49..22eb421 100644
--- a/docs/gui.md
+++ b/docs/gui.md
@@ -73,8 +73,6 @@ button in the quick toolbar). The viewer computes the FFT of the current
 processed image — subtract the background first, or the spectrum is
 dominated by the surface tilt.
 
-![FFT viewer on a moiré superlattice](images/gui_fft.png)
-
 The left pane shows the real-space source with its pixel and q-space
 resolution; the main pane shows log-magnitude FFT with reciprocal-space
 axes. The tabs below cover the common reciprocal-space tasks:
@@ -97,8 +95,6 @@ For a quick periodicity measurement without the full viewer, use
 Open **Measurements → Feature finder...** to detect point-like features —
 atoms, molecules, defects, moiré sites — on the current image.
 
-![Feature finder marking the minima of a moiré superlattice](images/gui_feature_finder.png)
-
 1. Choose the **Detection mode**: *Maxima* for protrusions, *Minima* for
    depressions.
 2. Choose a **Threshold mode** (*Above*, *Below*, or *Between*) and a
diff --git a/docs/images/gui_feature_finder.png b/docs/images/gui_feature_finder.png
deleted file mode 100644
index bfa455b..0000000
Binary files a/docs/images/gui_feature_finder.png and /dev/null differ
diff --git a/docs/images/gui_fft.png b/docs/images/gui_fft.png
deleted file mode 100644
index 57ace84..0000000
Binary files a/docs/images/gui_fft.png and /dev/null differ
diff --git a/scripts/generate_gui_screenshots.py b/scripts/generate_gui_screenshots.py
index 2479e14..05ef366 100644
--- a/scripts/generate_gui_screenshots.py
+++ b/scripts/generate_gui_screenshots.py
@@ -34,8 +34,6 @@
 ]
 
 VIEWER_FIXTURE = "createc_scan_terrace_109nm.dat"
-FFT_FIXTURE = "sxm_moire_10nm.sxm"
-FEATURE_FIXTURE = "sxm_moire_10nm.sxm"
 
 
 def _settle(app, seconds: float = 2.0) -> None:
@@ -75,7 +73,6 @@ def main() -> int:
 
     app = QApplication.instance() or QApplication(sys.argv)
 
-    from probeflow.core.scan_loader import load_scan
     from probeflow.gui.models import SxmFile
     from probeflow.gui.styling import THEMES, _build_palette, _build_qss
 
@@ -117,52 +114,6 @@ def main() -> int:
     viewer.close()
     _settle(app, 0.5)
 
-    # ── 4. FFT viewer on an atomic-resolution scan ─────────────────────────────
-    from probeflow.gui.dialogs.fft_viewer import FFTViewerDialog
-
-    from probeflow.processing.alignment import align_rows
-    from probeflow.processing.background import subtract_background
-
-    scan = load_scan(scans / FFT_FIXTURE)
-    # The FFT viewer is normally opened on the processed image; mirror that
-    # by levelling the raw plane first so the Bragg peaks are visible.
-    arr = subtract_background(align_rows(scan.planes[0], "median"), order=1)
-    fft = FFTViewerDialog(arr, scan.scan_range_m, "gray", theme)
-    fft.resize(1280, 820)
-    fft.show()
-    _settle(app, 2.0)
-    # Zoom in on the spectral content, as a user inspecting Bragg peaks would.
-    fft._zoom_by(0.25)
-    _settle(app, 2.0)
-    _grab(fft, "gui_fft.png")
-    fft.close()
-    _settle(app, 0.5)
-
-    # ── 5. Feature finder with a detection run ─────────────────────────────────
-    from probeflow.gui.dialogs.feature_finder import FeatureFinderDialog
-
-    fscan = load_scan(scans / FEATURE_FIXTURE)
-    farr = subtract_background(align_rows(fscan.planes[0], "median"), order=1)
-    w_m, h_m = fscan.scan_range_m
-    px_x = w_m / farr.shape[1]
-    px_y = h_m / farr.shape[0]
-    finder = FeatureFinderDialog(
-        farr, pixel_size_x_m=px_x, pixel_size_y_m=px_y, theme=theme)
-    finder.resize(1100, 700)
-    finder.show()
-    _settle(app, 1.0)
-    # Detect the dark moiré sites: minima, smoothed a little, with a minimum
-    # spacing so each site is found once — the settings a user would dial in.
-    finder._minima_btn.click()
-    finder._below_btn.click()
-    finder._smooth_spin.setValue(2.0)
-    finder._dist_spin.setValue(8.0)
-    finder._run_detection()
-    _settle(app, 2.0)
-    _grab(finder, "gui_feature_finder.png")
-    finder.close()
-    _settle(app, 0.5)
-
     shutil.rmtree(tmp, ignore_errors=True)
     return 0