diff --git a/core/src/main/java/hudson/FilePath.java b/core/src/main/java/hudson/FilePath.java
index 373eccb72d..cfc05836dc 100644
--- a/core/src/main/java/hudson/FilePath.java
+++ b/core/src/main/java/hudson/FilePath.java
@@ -42,7 +42,6 @@ import hudson.model.AbstractProject;
 import hudson.model.Computer;
 import hudson.model.Item;
 import hudson.model.TaskListener;
-import hudson.os.PosixException;
 import hudson.remoting.Callable;
 import hudson.remoting.Channel;
 import hudson.remoting.DelegatingCallable;
@@ -1985,7 +1984,7 @@ public final class FilePath implements SerializableOnlyOverRemoting {
      * @since 1.311
      * @see #chmod(int)
      */
-    public int mode() throws IOException, InterruptedException, PosixException {
+    public int mode() throws IOException, InterruptedException {
         if (!isUnix())   return -1;
         return act(new Mode());
     }
diff --git a/core/src/main/java/hudson/os/PosixException.java b/core/src/main/java/hudson/os/PosixException.java
index be10886825..b741e94246 100644
--- a/core/src/main/java/hudson/os/PosixException.java
+++ b/core/src/main/java/hudson/os/PosixException.java
@@ -1,9 +1,13 @@
 package hudson.os;
 
+import java.io.IOException;
+
 /**
  * Indicates an error during POSIX API call.
  * @author Kohsuke Kawaguchi
+ * @deprecated use {@link IOException}
  */
+@Deprecated
 public class PosixException extends RuntimeException {
 
     public PosixException(String message) {
diff --git a/core/src/main/java/hudson/util/IOUtils.java b/core/src/main/java/hudson/util/IOUtils.java
index 1a6d626eb4..bf16104d4c 100644
--- a/core/src/main/java/hudson/util/IOUtils.java
+++ b/core/src/main/java/hudson/util/IOUtils.java
@@ -4,7 +4,6 @@ import static hudson.Util.fileToPath;
 
 import hudson.Functions;
 import hudson.Util;
-import hudson.os.PosixException;
 import java.io.BufferedReader;
 import java.io.DataInputStream;
 import java.io.File;
@@ -129,15 +128,11 @@ public class IOUtils {
      * care about access permissions.
      * <p>If the file is symlink, the mode is that of the link target, not the link itself.
      * @return a file mode, or -1 if not on Unix
-     * @throws PosixException if the file could not be statted, e.g. broken symlink
+     * @throws IOException if the file could not be statted, e.g. broken symlink
      */
-    public static int mode(File f) throws PosixException {
+    public static int mode(File f) throws IOException {
         if (Functions.isWindows())   return -1;
-        try {
-            return Util.permissionsToMode(Files.getPosixFilePermissions(fileToPath(f)));
-        } catch (IOException cause) {
-            throw new PosixException("Unable to get file permissions", cause);
-        }
+        return Util.permissionsToMode(Files.getPosixFilePermissions(fileToPath(f)));
     }
 
     /**
diff --git a/core/src/main/java/hudson/util/io/TarArchiver.java b/core/src/main/java/hudson/util/io/TarArchiver.java
index ae66154f68..b38ee7e2ad 100644
--- a/core/src/main/java/hudson/util/io/TarArchiver.java
+++ b/core/src/main/java/hudson/util/io/TarArchiver.java
@@ -25,7 +25,6 @@
 package hudson.util.io;
 
 import hudson.Functions;
-import hudson.os.PosixException;
 import hudson.util.FileVisitor;
 import hudson.util.IOUtils;
 import java.io.File;
@@ -62,7 +61,7 @@ final class TarArchiver extends Archiver {
             if (mode != -1) {
                 e.setMode(mode);
             }
-        } catch (PosixException x) {
+        } catch (IOException x) {
             // ignore
         }
 
diff --git a/core/src/main/java/jenkins/util/VirtualFile.java b/core/src/main/java/jenkins/util/VirtualFile.java
index e40dd994a1..7dfd72a3d0 100644
--- a/core/src/main/java/jenkins/util/VirtualFile.java
+++ b/core/src/main/java/jenkins/util/VirtualFile.java
@@ -29,7 +29,6 @@ import edu.umd.cs.findbugs.annotations.NonNull;
 import hudson.FilePath;
 import hudson.Util;
 import hudson.model.DirectoryBrowserSupport;
-import hudson.os.PosixException;
 import hudson.remoting.Callable;
 import hudson.remoting.Channel;
 import hudson.remoting.RemoteInputStream;
@@ -1026,7 +1025,7 @@ public abstract class VirtualFile implements Comparable<VirtualFile>, Serializab
             @Override public int mode() throws IOException {
                 try {
                     return f.mode();
-                } catch (InterruptedException | PosixException x) {
+                } catch (InterruptedException x) {
                     throw new IOException(x);
                 }
             }