diff --git a/app/src/processing/app/Sketch.java b/app/src/processing/app/Sketch.java
index c4fa9b024..a35c78dfa 100644
--- a/app/src/processing/app/Sketch.java
+++ b/app/src/processing/app/Sketch.java
@@ -946,7 +946,12 @@ public class Sketch {
     // if the new folder already exists, then first remove its contents before
     // copying everything over (user will have already been warned).
     if (newFolder.exists()) {
-      Util.removeDir(newFolder);
+      //Util.removeDir(newFolder);
+      try {
+        Platform.deleteFile(newFolder);
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
     }
     // in fact, you can't do this on Windows because the file dialog
     // will instead put you inside the folder, but it happens on OS X a lot.
diff --git a/app/src/processing/app/Util.java b/app/src/processing/app/Util.java
index 98402e946..245c65ae9 100644
--- a/app/src/processing/app/Util.java
+++ b/app/src/processing/app/Util.java
@@ -305,11 +305,14 @@ public class Util {
   /**
    * Remove all files in a directory and the directory itself.
    * Prints error messages with failed filenames. Does not follow symlinks.
+   * Use Platform.deleteFile() instead, which first attempts to use
+   * the Trash or Recycle Bin, out of an abundance of caution.
    */
   static public boolean removeDir(File dir) {
     return removeDir(dir, true);
   }
 
+
   /**
    * Remove all files in a directory and the directory itself.
    * Optionally, prints error messages with failed filenames.
diff --git a/app/src/processing/app/contrib/AvailableContribution.java b/app/src/processing/app/contrib/AvailableContribution.java
index aab080404..db59fb251 100644
--- a/app/src/processing/app/contrib/AvailableContribution.java
+++ b/app/src/processing/app/contrib/AvailableContribution.java
@@ -217,8 +217,12 @@ public class AvailableContribution extends Contribution {
           }
 
           // delete the contrib folder inside the libraryXXXXXXtmp folder
-          Util.removeDir(newContribFolder, false);
-
+          //Util.removeDir(newContribFolder, false);
+          try {
+            Platform.deleteFile(newContribFolder);
+          } catch (IOException e) {
+            e.printStackTrace();
+          }
         } else {
           if (status != null) {
             status.setErrorMessage(Language.text("contrib.errors.overwriting_properties"));
@@ -229,7 +233,12 @@ public class AvailableContribution extends Contribution {
 
     // Remove any remaining boogers
     if (tempFolder.exists()) {
-      Util.removeDir(tempFolder, false);
+      //Util.removeDir(tempFolder, false);
+      try {
+        Platform.deleteFile(tempFolder);
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
     }
     return installedContrib;
   }
diff --git a/app/src/processing/app/contrib/ContributionManager.java b/app/src/processing/app/contrib/ContributionManager.java
index d9e1da5ca..bea61b217 100644
--- a/app/src/processing/app/contrib/ContributionManager.java
+++ b/app/src/processing/app/contrib/ContributionManager.java
@@ -32,6 +32,7 @@ import javax.swing.SwingWorker;
 import processing.app.Base;
 import processing.app.Language;
 import processing.app.Messages;
+import processing.app.Platform;
 import processing.app.Util;
 import processing.app.ui.Editor;
 import processing.core.PApplet;
@@ -546,7 +547,12 @@ public class ContributionManager {
     if (possible != null) {
       for (File f : possible) {
         if (f.getName().matches(pattern)) {
-          Util.removeDir(f);
+          //Util.removeDir(f);
+          try {
+            Platform.deleteFile(f);
+          } catch (IOException e) {
+            e.printStackTrace();
+          }
         }
       }
     }
@@ -562,7 +568,12 @@ public class ContributionManager {
     );
     if (markedForDeletion != null) {
       for (File folder : markedForDeletion) {
-        Util.removeDir(folder);
+        //Util.removeDir(folder);
+        try {
+          Platform.deleteFile(folder);
+        } catch (IOException e) {
+          e.printStackTrace();
+        }
       }
     }
   }
@@ -629,7 +640,12 @@ public class ContributionManager {
         if (name != null) {  // should not happen, but...
           updateContribsNames.add(name);
         }
-        Util.removeDir(folder);
+        //Util.removeDir(folder);
+        try {
+          Platform.deleteFile(folder);
+        } catch (IOException e) {
+          e.printStackTrace();
+        }
       }
     }
 
diff --git a/app/src/processing/app/contrib/LocalContribution.java b/app/src/processing/app/contrib/LocalContribution.java
index 0f8d5cda4..ccf5714f1 100644
--- a/app/src/processing/app/contrib/LocalContribution.java
+++ b/app/src/processing/app/contrib/LocalContribution.java
@@ -308,14 +308,24 @@ public abstract class LocalContribution extends Contribution {
 
       // At this point it should be safe to replace this fella
       if (contribFolder.exists()) {
-        Util.removeDir(contribFolder);
+        //Util.removeDir(contribFolder);
+        try {
+          Platform.deleteFile(contribFolder);
+        } catch (IOException e) {
+          e.printStackTrace();
+        }
       }
 
     } else {
       // This if should ideally never happen, since this function
       // is to be called only when restarting on update
       if (contribFolder.exists() && contribFolder.isDirectory()) {
-        Util.removeDir(contribFolder);
+        //Util.removeDir(contribFolder);
+        try {
+          Platform.deleteFile(contribFolder);
+        } catch (IOException e) {
+          e.printStackTrace();
+        }
       }
       else if (contribFolder.exists()) {
         contribFolder.delete();
@@ -447,7 +457,12 @@ public abstract class LocalContribution extends Contribution {
     if (doBackup) {
       success = backup(true, status);
     } else {
-      success = Util.removeDir(getFolder(), false);
+      try {
+        success = Platform.deleteFile(getFolder());
+      } catch (IOException e) {
+        e.printStackTrace();
+        success = false;
+      }
     }
 
     if (success) {
diff --git a/todo.txt b/todo.txt
index b7ecd4c42..fba0c6317 100755
--- a/todo.txt
+++ b/todo.txt
@@ -3,6 +3,8 @@ X Bring back getMainProgram() for Python Mode
 X   https://github.com/processing/processing4/issues/409
 X You must first install tweak Mode to use this sketch
 X   https://github.com/processing/processing4/issues/415
+X Change straight quotes to smart quotes in the PDE.properties file
+X look for other uses of Util.deleteFile() and replace with Platform calls
 _ test with Python Mode before release
 
 sketchbook/open/deletions