diff --git a/pywal/colors.py b/pywal/colors.py
index 246318c..a87ee4c 100644
--- a/pywal/colors.py
+++ b/pywal/colors.py
@@ -4,6 +4,7 @@ Generate a palette using various backends.
 import logging
 import os
 import random
+import re
 import sys
 
 from . import theme
@@ -85,9 +86,9 @@ def saturate_colors(colors, amount):
 def cache_fname(img, backend, light, cache_dir, sat=""):
     """Create the cache file name."""
     color_type = "light" if light else "dark"
-    file_hash = util.hashf(img)
+    file_name = re.sub("[/|\\|.]", "_", img)
 
-    file_parts = [file_hash, color_type, backend, sat, __cache_version__]
+    file_parts = [file_name, color_type, backend, sat, __cache_version__]
     return [cache_dir, "schemes", "%s_%s_%s_%s_%s.json" % (*file_parts,)]
 
 
diff --git a/pywal/util.py b/pywal/util.py
index 10fb42c..0557cc4 100644
--- a/pywal/util.py
+++ b/pywal/util.py
@@ -2,7 +2,6 @@
 Misc helper functions.
 """
 import colorsys
-import hashlib
 import json
 import logging
 import os
@@ -179,14 +178,3 @@ def get_pid(name):
         return False
 
     return True
-
-
-def hashf(fpath):
-    """Get the md5 hash of a file."""
-    return hashlib.md5(file_bytes(open(fpath, 'rb'))).hexdigest()
-
-
-def file_bytes(fpath):
-    """Helper function to read file."""
-    with fpath:
-        return fpath.read()