diff --git a/lib/galaxy/util/debugging.py b/lib/galaxy/util/debugging.py
deleted file mode 100644
index ac804097d46..00000000000
--- a/lib/galaxy/util/debugging.py
+++ /dev/null
@@ -1,68 +0,0 @@
-
-import inspect
-import time
-
-import logging
-log = logging.getLogger( __name__ )
-
-
-def stack_trace_string( max_depth=None, line_format="{index}:{file}:{function}:{line}" ):
-    """
-    Returns a string representation of the current stack.
-
-    :param depth: positive integer to control how many levels of the stack are
-    returned. max_depth=None returns the entire stack (default).
-    """
-    stack_list = []
-    for index, caller in enumerate( inspect.stack() ):
-        # don't include this function
-        if index == 0:
-            continue
-        if max_depth and index > max_depth:
-            break
-
-        caller_data = {
-            'index'     : str( index ),
-            'file'      : caller[1],
-            'function'  : caller[3],
-            'line'      : caller[2]
-        }
-        stack_list.append( line_format.format( **caller_data ) )
-
-    return '\n'.join( stack_list )
-
-
-class SimpleProfiler( object ):
-    """
-    Simple profiler that captures the duration between calls to `report`
-    and stores the results in a list.
-    """
-    REPORT_FORMAT = '%20f: %s'
-
-    def __init__( self, log=None ):
-        self.log = log
-        self.start_time = 0
-        self.reports = []
-
-    def start( self, msg=None ):
-        msg = msg or 'Start'
-        self.start_time = time.time()
-        report = self.REPORT_FORMAT % ( self.start_time, msg )
-        self.reports.append( report )
-        if self.log:
-            self.log( report )
-
-    def report( self, msg ):
-        if not self.start_time:
-            self.start()
-        duration = time.time() - self.start_time
-        report = self.REPORT_FORMAT % ( duration, msg )
-        self.reports.append( report )
-        if self.log:
-            self.log( report )
-
-    def get_reports( self ):
-        return self.reports
-
-    def __str__( self ):
-        return '\n'.join( self.reports )
diff --git a/lib/galaxy/util/hash_util.py b/lib/galaxy/util/hash_util.py
index 3ffd9cb1a22..38e80049634 100644
--- a/lib/galaxy/util/hash_util.py
+++ b/lib/galaxy/util/hash_util.py
@@ -5,22 +5,12 @@ introduced hashlib which replaced sha in Python 2.4 and previous versions.
 
 import logging
 
-# Use hashlib module if for Python 2.5+, fall back on old sha and md5 modules
-# ./lib/galaxy/web/framework/helpers/__init__.py is using the md5 module
-# sha1 requires explicit calls to new if also being passed to hmac (!)
-try:
-    import hashlib
-    sha1 = hashlib.sha1
-    sha = sha1
-    md5 = hashlib.md5
-except ImportError, e:
-    from sha import new as sha1
-    import sha
-    from md5 import new as md5
+import hashlib
+sha1 = hashlib.sha1
+sha = sha1
+md5 = hashlib.md5
 import hmac
 
-__all__ = ['md5', 'hashlib', 'sha1', 'sha', 'new_secure_hash', 'hmac_new', 'is_hashable']
-
 log = logging.getLogger( __name__ )
 
 
@@ -45,3 +35,5 @@ def is_hashable( value ):
     except:
         return False
     return True
+
+__all__ = ['md5', 'hashlib', 'sha1', 'sha', 'new_secure_hash', 'hmac_new', 'is_hashable']
diff --git a/lib/galaxy/util/lrucache.py b/lib/galaxy/util/lrucache.py
deleted file mode 100644
index 4d4e30422e7..00000000000
--- a/lib/galaxy/util/lrucache.py
+++ /dev/null
@@ -1,68 +0,0 @@
-"""
-Kanwei Li, 03/2010
-
-Simple LRU cache that uses a dictionary to store a specified number of objects
-at a time.
-"""
-
-
-class LRUCache:
-    def clear(self):
-        ''' Clears/initiates storage variables'''
-        self.key_ary = []
-        self.obj_cache = {}
-
-    def __init__(self, num_elements):
-        self.num_elements = num_elements
-        self.clear()
-
-    def __getitem__(self, key):
-        ''' Return value of key, or None if key is not in cache '''
-        if key not in self.key_ary:
-            return None
-        # Move this key to the end
-        self.key_ary.remove(key)
-        self.key_ary.append(key)
-        return self.obj_cache[key]
-
-    def __setitem__(self, key, value):
-        ''' Sets a new value to a key '''
-        if key not in self.obj_cache:
-            if len(self.key_ary) >= self.num_elements:
-                deleted_key = self.key_ary.pop(0)  # Remove first element
-                del self.obj_cache[deleted_key]
-            self.key_ary.append(key)
-        self.obj_cache[key] = value
-        return value
-
-if __name__ == "__main__":
-    import unittest
-
-    class TestLRUCache(unittest.TestCase):
-        def test_lru(self):
-            lru = LRUCache(2)
-            for i in range(0, 4):  # Insert 4 numbers
-                lru[i] = i
-            self.assertEqual( lru[0], None )
-            self.assertEqual( lru[1], None )
-            self.assertEqual( lru[2], 2 )
-            self.assertEqual( lru[3], 3 )
-
-            self.assertEqual( lru.__setitem__("hello", "world"), "world")
-            self.assertEqual( lru[2], None )
-
-            lru.clear()
-            self.assertEqual( lru["hello"], None )
-            self.assertEqual( lru[3], None )
-
-            # Test if recently used item is kept
-            lru[0] = 0
-            lru[1] = 1
-            # Now saturated
-            lru[2] = 2
-            # Should keep 0, delete 1
-            self.assertEqual( lru[0], 0 )
-            self.assertEqual( lru[1], None )
-            self.assertEqual( lru[2], 2 )
-
-    unittest.main()