diff --git a/c_src/build_darwin b/c_src/build_darwin
deleted file mode 100755
index fbd041a..0000000
--- a/c_src/build_darwin
+++ /dev/null
@@ -1 +0,0 @@
-cc -o ../priv/ibrowse_drv.so -I ~/R9C-0/usr/include/ -bundle -flat_namespace -undefined suppress -fno-common ibrowse_drv.c
diff --git a/c_src/ibrowse_drv.c b/c_src/ibrowse_drv.c
deleted file mode 100644
index 8f912a9..0000000
--- a/c_src/ibrowse_drv.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/* Created 07/March/2004 Chandrashekhar Mullaparthi
-
-   $Id: ibrowse_drv.c,v 1.1 2005/05/05 22:28:28 chandrusf Exp $
-   
-   Erlang Linked in driver to URL encode a set of data
-*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "erl_driver.h"
-
-static ErlDrvData ibrowse_drv_start(ErlDrvPort port, char* buff);
-static void ibrowse_drv_stop(ErlDrvData handle);
-static void ibrowse_drv_command(ErlDrvData handle, char *buff, int bufflen);
-static void ibrowse_drv_finish(void);
-static int ibrowse_drv_control(ErlDrvData handle, unsigned int command, 
-                       char* buf, int count, char** res, int res_size);
-
-/* The driver entry */
-static ErlDrvEntry ibrowse_driver_entry = {
-    NULL,                          /* init, N/A */
-    ibrowse_drv_start,             /* start, called when port is opened */
-    ibrowse_drv_stop,              /* stop, called when port is closed */
-    NULL,                          /* output, called when erlang has sent */
-    NULL,                          /* ready_input, called when input descriptor 
-				      ready */
-    NULL,                          /* ready_output, called when output 
-				      descriptor ready */
-    "ibrowse_drv",                 /* char *driver_name, the argument 
-				      to open_port */
-    NULL,                          /* finish, called when unloaded */
-    NULL,                          /* void * that is not used (BC) */
-    ibrowse_drv_control,           /* control, port_control callback */
-    NULL,                          /* timeout, called on timeouts */
-    NULL,                          /* outputv, vector output interface */
-    NULL,
-    NULL,
-    NULL,                          /* call, synchronous call to driver */
-    NULL
-};
-
-typedef struct ibrowse_drv_data {
-  unsigned int count;
-  void *alloc_ptr;
-} State;
-
-static State *ibrowse_drv_data;
-
-DRIVER_INIT(ibrowse_drv)
-{
-  ibrowse_drv_data = NULL;
-  return &ibrowse_driver_entry;
-}
-
-static ErlDrvData ibrowse_drv_start(ErlDrvPort port, char *buff)
-{
-  State *state;
-
-  state = driver_alloc(sizeof(State));
-  state->count = 0;
-  state->alloc_ptr = NULL;
-
-  ibrowse_drv_data = state;
-  return ((ErlDrvData) state);
-}
-
-void ibrowse_drv_stop(ErlDrvData desc)
-{
-  return;
-}
-
-static int ibrowse_drv_control(ErlDrvData handle, unsigned int command,
-			       char *buf, int bufflen, char **rbuf, int rlen)
-{
-  State* state = (State *) handle;
-  unsigned int j = 0, i = 0;
-  unsigned int temp = 0, rlen_1 = 0;
-  char* replybuf;
-
-  fprintf(stderr, "alloc_ptr -> %d\n", state->alloc_ptr);
-/*   if(state->alloc_ptr != NULL) */
-/*     { */
-/*       driver_free(state->alloc_ptr); */
-/*     } */
-
-  /* Calculate encoded length. If same as bufflen, it means there is
-     no encoding to do. Do return an empty list */
-  rlen_1 = calc_encoded_length(buf, bufflen);
-  if(rlen_1 == bufflen)
-    {
-      *rbuf = NULL;
-      state->alloc_ptr = NULL;
-      return 0;
-    }
-  *rbuf = driver_alloc(rlen_1);
-  state->alloc_ptr = *rbuf;
-  fprintf(stderr, "*rbuf -> %d\n", *rbuf);
-  replybuf = *rbuf;
-
-  for(i=0;i<bufflen;i++)
-    {
-      temp = buf[i];
-      if( 'a' <= temp && temp <= 'z'
-	  || 'A' <= temp && temp <= 'Z'
-	  || '0' <= temp && temp <= '9'
-	  || temp == '-' || temp == '_' || temp == '.' )
-	{
-	  replybuf[j++] = temp;
-	  /*	  printf("j -> %d\n", j); */
-	}
-      else
-	{
-	  replybuf[j++] = 37;
-	  /* printf("temp -> %d\n", temp);
-	     printf("d2h(temp >> 4) -> %d\n", d2h(temp >> 4));
-	     printf("d2h(temp & 15) -> %d\n", d2h(temp & 15)); */
-	  replybuf[j++] = d2h(temp >> 4);
-	  replybuf[j++] = d2h(temp & 15);
-	  /*	  printf("j -> %d\n", j); */
-	}
-    }
-  return rlen_1;
-}
-
-/* Calculates the length of the resulting buffer if a string is URL encoded */
-int calc_encoded_length(char* buf, int bufflen)
-{
-  unsigned int count=0, i=0, temp=0;
-
-  for(i=0;i<bufflen;i++)
-    {
-      temp = buf[i];
-      if( 'a' <= temp && temp <= 'z'
-	  || 'A' <= temp && temp <= 'Z'
-	  || '0' <= temp && temp <= '9'
-	  || temp == '-' || temp == '_' || temp == '.' )
-	{
-	  count++;
-	}
-      else
-	{
-	  count = count+3;
-	}
-    }
-  return count;
-}
-
-/* Converts an integer in the range 1-15 into it's ascii value
-   1 -> 49 (ascii value of 1)
-   10 -> 97 (ascii value of a)
-*/
-int d2h(unsigned int i)
-{
-  if( i < 10 )
-    {
-      return i + 48;
-    }
-  else
-    {
-      return i + 97 - 10;
-    }
-}