diff --git a/src/main/java/pixelitor/filters/ChannelToTransparency.java b/src/main/java/pixelitor/filters/ChannelToTransparency.java
index 1a06bfa09..2ddb6dc16 100644
--- a/src/main/java/pixelitor/filters/ChannelToTransparency.java
+++ b/src/main/java/pixelitor/filters/ChannelToTransparency.java
@@ -95,7 +95,7 @@ int getChannelValue(int rgb) {
     }
 
     @Override
-    public void randomize() {
+    public void randomizeSettings() {
         // no settings
     }
 
diff --git a/src/main/java/pixelitor/filters/Colorize.java b/src/main/java/pixelitor/filters/Colorize.java
index ff01e71e7..24613e1f8 100644
--- a/src/main/java/pixelitor/filters/Colorize.java
+++ b/src/main/java/pixelitor/filters/Colorize.java
@@ -24,6 +24,7 @@
 
 import java.awt.Color;
 import java.awt.image.BufferedImage;
+import java.io.Serial;
 
 import static pixelitor.filters.gui.ColorParam.TransparencyPolicy.NO_TRANSPARENCY;
 import static pixelitor.gui.GUIText.BRIGHTNESS;
@@ -36,6 +37,9 @@
 public class Colorize extends ParametrizedFilter {
     public static final String NAME = i18n("colorize");
 
+    @Serial
+    private static final long serialVersionUID = 7036946857972080432L;
+
     private final RangeParam brightnessParam = new RangeParam(
         BRIGHTNESS, -100, 0, 100);
     private final ColorParam colorParam = new ColorParam(
diff --git a/src/main/java/pixelitor/filters/ParametrizedFilter.java b/src/main/java/pixelitor/filters/ParametrizedFilter.java
index 4747e25de..99066abb0 100644
--- a/src/main/java/pixelitor/filters/ParametrizedFilter.java
+++ b/src/main/java/pixelitor/filters/ParametrizedFilter.java
@@ -54,7 +54,7 @@ protected void showAffectedArea() {
     }
 
     @Override
-    public void randomize() {
+    public void randomizeSettings() {
         paramSet.randomize();
     }
 
diff --git a/src/main/java/pixelitor/filters/PoissonDiskTester.java b/src/main/java/pixelitor/filters/PoissonDiskTester.java
index ecb6fc213..2ea520e22 100644
--- a/src/main/java/pixelitor/filters/PoissonDiskTester.java
+++ b/src/main/java/pixelitor/filters/PoissonDiskTester.java
@@ -27,6 +27,7 @@
 import java.awt.Color;
 import java.awt.Graphics2D;
 import java.awt.image.BufferedImage;
+import java.io.Serial;
 import java.util.SplittableRandom;
 
 import static java.awt.RenderingHints.KEY_ANTIALIASING;
@@ -39,6 +40,9 @@
 public class PoissonDiskTester extends ParametrizedFilter {
     public static final String NAME = "Poisson Disk Sampling";
 
+    @Serial
+    private static final long serialVersionUID = -6684473485597318552L;
+
     private final RangeParam distance = new RangeParam("Distance", 10, 20, 300);
     private final RangeParam k = new RangeParam("k", 1, 30, 100);
     private final BooleanParam improved = new BooleanParam("Improved", false);
diff --git a/src/main/java/pixelitor/filters/RandomFilter.java b/src/main/java/pixelitor/filters/RandomFilter.java
index ad9e6021e..12fca5de0 100644
--- a/src/main/java/pixelitor/filters/RandomFilter.java
+++ b/src/main/java/pixelitor/filters/RandomFilter.java
@@ -38,7 +38,7 @@ protected BufferedImage transform(BufferedImage src, BufferedImage dest) {
     }
 
     @Override
-    public void randomize() {
+    public void randomizeSettings() {
         throw new UnsupportedOperationException("this should not be called");
     }
 
diff --git a/src/main/java/pixelitor/filters/convolve/Convolve.java b/src/main/java/pixelitor/filters/convolve/Convolve.java
index e78f5e250..daa638d2e 100644
--- a/src/main/java/pixelitor/filters/convolve/Convolve.java
+++ b/src/main/java/pixelitor/filters/convolve/Convolve.java
@@ -74,7 +74,7 @@ public FilterGUI createGUI(Drawable dr, boolean reset) {
     }
 
     @Override
-    public void randomize() {
+    public void randomizeSettings() {
         kernelMatrix = createRandomKernelMatrix(matrixOrder);
     }
 
diff --git a/src/main/java/pixelitor/filters/curves/ToneCurvesFilter.java b/src/main/java/pixelitor/filters/curves/ToneCurvesFilter.java
index e1dadbaac..7f891d02c 100644
--- a/src/main/java/pixelitor/filters/curves/ToneCurvesFilter.java
+++ b/src/main/java/pixelitor/filters/curves/ToneCurvesFilter.java
@@ -85,7 +85,7 @@ public BufferedImage transform(BufferedImage src, BufferedImage dest) {
     }
 
     @Override
-    public void randomize() {
+    public void randomizeSettings() {
         // not supported yet
     }
 
diff --git a/src/main/java/pixelitor/filters/gui/FilterWithGUI.java b/src/main/java/pixelitor/filters/gui/FilterWithGUI.java
index 710452a2e..eb5978c17 100644
--- a/src/main/java/pixelitor/filters/gui/FilterWithGUI.java
+++ b/src/main/java/pixelitor/filters/gui/FilterWithGUI.java
@@ -50,7 +50,7 @@ protected FilterWithGUI() {
      */
     public abstract FilterGUI createGUI(Drawable dr, boolean reset);
 
-    public abstract void randomize();
+    public abstract void randomizeSettings();
 
     private JMenuBar getMenuBar() {
         boolean addPresets = canHaveUserPresets() || hasBuiltinPresets();
diff --git a/src/main/java/pixelitor/filters/levels/Levels.java b/src/main/java/pixelitor/filters/levels/Levels.java
index 52e046162..2beccb7d6 100644
--- a/src/main/java/pixelitor/filters/levels/Levels.java
+++ b/src/main/java/pixelitor/filters/levels/Levels.java
@@ -73,7 +73,7 @@ public BufferedImage transform(BufferedImage src, BufferedImage dest) {
     }
 
     @Override
-    public void randomize() {
+    public void randomizeSettings() {
         int inputDark = Rnd.nextInt(255);
         int inputLight = Rnd.nextInt(255);
         int outputDark = Rnd.nextInt(255);
diff --git a/src/main/java/pixelitor/filters/painters/TextFilter.java b/src/main/java/pixelitor/filters/painters/TextFilter.java
index 70afcea40..7aa44d7db 100644
--- a/src/main/java/pixelitor/filters/painters/TextFilter.java
+++ b/src/main/java/pixelitor/filters/painters/TextFilter.java
@@ -71,7 +71,7 @@ public FilterGUI createGUI(Drawable dr, boolean reset) {
     }
 
     @Override
-    public void randomize() {
+    public void randomizeSettings() {
         settings.randomize();
     }
 
diff --git a/src/main/java/pixelitor/filters/painters/TextSettings.java b/src/main/java/pixelitor/filters/painters/TextSettings.java
index 230d1d764..b46868654 100644
--- a/src/main/java/pixelitor/filters/painters/TextSettings.java
+++ b/src/main/java/pixelitor/filters/painters/TextSettings.java
@@ -161,6 +161,10 @@ public boolean hasWatermark() {
         return watermark;
     }
 
+    public void setWatermark(boolean watermark) {
+        this.watermark = watermark;
+    }
+
     public double getRotation() {
         return rotation;
     }
diff --git a/src/main/java/pixelitor/utils/debug/Debug.java b/src/main/java/pixelitor/utils/debug/Debug.java
index 1e52c3981..49cf6f1cb 100644
--- a/src/main/java/pixelitor/utils/debug/Debug.java
+++ b/src/main/java/pixelitor/utils/debug/Debug.java
@@ -495,13 +495,15 @@ private static void addSmartFilter(Composition comp, Filter filter) {
         TextSettings settings = new TextSettings();
         settings.randomize();
         settings.setText(filter.getName());
+        settings.setWatermark(false);
         TextLayer textLayer = new TextLayer(comp, "", settings);
         textLayer.updateLayerName();
 
         SmartObject smartObject = new SmartObject(textLayer);
+        smartObject.setOpacity(0.2f, false);
         new Composition.LayerAdder(comp).add(smartObject);
         if (filter instanceof FilterWithGUI guiFilter) {
-            guiFilter.randomize();
+            guiFilter.randomizeSettings();
             smartObject.startPreviewing();
             filter.startOn(smartObject, PREVIEWING);
             smartObject.onFilterDialogAccepted(filter.getName());
diff --git a/src/main/java/pixelitor/utils/test/RandomGUITest.java b/src/main/java/pixelitor/utils/test/RandomGUITest.java
index 0c11aa94c..9efec0612 100644
--- a/src/main/java/pixelitor/utils/test/RandomGUITest.java
+++ b/src/main/java/pixelitor/utils/test/RandomGUITest.java
@@ -457,7 +457,7 @@ private static void randomFilter() {
         long runCountBefore = Filter.runCount;
 
         if (filter instanceof FilterWithGUI guiFilter) {
-            guiFilter.randomize();
+            guiFilter.randomizeSettings();
             dr.startPreviewing();
 
             try {