diff --git a/README.md b/README.md
index 1879063..fd52703 100644
--- a/README.md
+++ b/README.md
@@ -180,12 +180,16 @@ Options:
                         page numbers [Default=2]
     --cp=CROPPINGP, --croppingpower=CROPPINGP
                         Set cropping power [Default=1.0]
+    --cm=CROPPINGM, --croppingminimum=CROPPINGM
+                        Set cropping minimum area ratio [Default=0.0]
     --blackborders      Disable autodetection and force black borders
     --whiteborders      Disable autodetection and force white borders
     --forcecolor        Don't convert images to grayscale
     --forcepng          Create PNG files instead JPEG
     --mozjpeg           Create JPEG files using mozJpeg
     --maximizestrips    Turn 1x4 strips to 2x2 strips
+    -d, --delete        Delete source file(s) or a directory. It's not
+                        recoverable.
 
   CUSTOM PROFILE:
     --customwidth=CUSTOMWIDTH
diff --git a/kindlecomicconverter/comic2ebook.py b/kindlecomicconverter/comic2ebook.py
index e1941be..2b25596 100755
--- a/kindlecomicconverter/comic2ebook.py
+++ b/kindlecomicconverter/comic2ebook.py
@@ -996,6 +996,9 @@ def makeParser():
                                  help="Create JPEG files using mozJpeg")
     processingOptions.add_option("--maximizestrips", action="store_true", dest="maximizestrips", default=False,
                                  help="Turn 1x4 strips to 2x2 strips")
+    processingOptions.add_option("-d", "--delete", action="store_true", dest="delete", default=False,
+                             help="Delete source file(s) or a directory. It's not recoverable.")
+
     customProfileOptions.add_option("--customwidth", type="int", dest="customwidth", default=0,
                                     help="Replace screen width provided by device profile")
     customProfileOptions.add_option("--customheight", type="int", dest="customheight", default=0,
@@ -1225,6 +1228,12 @@ def makeBook(source, qtgui=None):
                 os.remove(i.replace('.epub', '.mobi') + '_toclean')
             if k.path and k.coverSupport:
                 options.covers[filepath.index(i)][0].saveToKindle(k, options.covers[filepath.index(i)][1])
+    if options.delete:
+        if os.path.isfile(source):
+            os.remove(source)
+        elif os.path.isdir(source):
+            rmtree(source)
+
     return filepath