diff --git a/qbsp/cmdlib.c b/qbsp/cmdlib.c
index 3082498f..71a5ccd9 100644
--- a/qbsp/cmdlib.c
+++ b/qbsp/cmdlib.c
@@ -28,7 +28,6 @@
 # include <direct.h>
 # define timeb  _timeb
 # define ftime  _ftime
-# define getcwd _getcwd
 #else
 # include <unistd.h>
 #endif
@@ -63,13 +62,6 @@ I_FloatTime(void)
     return (double)timebuffer.time + (timebuffer.millitm / 1000.0);
 }
 
-void
-Q_getwd(char *out)
-{
-    getcwd(out, 256);
-    strcat(out, "\\");
-}
-
 
 /*
 =============================================================================
@@ -101,30 +93,6 @@ DefaultExtension(char *path, char *extension)
 }
 
 
-void
-DefaultPath(char *path, char *basepath)
-{
-    char temp[128];
-
-    if (path[0] == PATHSEPERATOR)
-	return;			// absolute path location
-    strcpy(temp, path);
-    strcpy(path, basepath);
-    strcat(path, temp);
-}
-
-
-void
-StripFilename(char *path)
-{
-    int length;
-
-    length = strlen(path) - 1;
-    while (length > 0 && path[length] != PATHSEPERATOR)
-	length--;
-    path[length] = 0;
-}
-
 void
 StripExtension(char *path)
 {
@@ -139,68 +107,3 @@ StripExtension(char *path)
     if (length)
 	path[length] = 0;
 }
-
-
-
-//=======================================================
-
-
-// this is a 16 bit, non-reflected CRC using the polynomial 0x1021
-// and the initial and final xor values shown below...  in other words, the
-// CCITT standard CRC used by XMODEM
-
-#define CRC_INIT_VALUE	0xffff
-#define CRC_XOR_VALUE	0x0000
-
-static unsigned short crctable[256] = {
-    0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
-    0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
-    0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
-    0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
-    0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
-    0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
-    0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
-    0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
-    0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
-    0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
-    0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
-    0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
-    0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
-    0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
-    0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
-    0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
-    0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
-    0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
-    0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
-    0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
-    0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
-    0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
-    0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
-    0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
-    0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
-    0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
-    0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
-    0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
-    0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
-    0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
-    0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
-    0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
-};
-
-void
-CRC_Init(unsigned short *crcvalue)
-{
-    *crcvalue = CRC_INIT_VALUE;
-}
-
-void
-CRC_ProcessByte(unsigned short *crcvalue, byte data)
-{
-    *crcvalue = (*crcvalue << 8) ^ crctable[(*crcvalue >> 8) ^ data];
-}
-
-unsigned short
-CRC_Value(unsigned short crcvalue)
-{
-    return crcvalue ^ CRC_XOR_VALUE;
-}
diff --git a/qbsp/qbsp.h b/qbsp/qbsp.h
index a3977106..48a1648d 100644
--- a/qbsp/qbsp.h
+++ b/qbsp/qbsp.h
@@ -151,21 +151,13 @@ enum {
 
 typedef unsigned char byte;
 
-void Q_getwd(char *out);
-
 double I_FloatTime(void);
 
 void DefaultExtension(char *path, char *extension);
-void DefaultPath(char *path, char *basepath);
-void StripFilename(char *path);
 void StripExtension(char *path);
 
 char *copystring(char *s);
 
-void CRC_Init(unsigned short *crcvalue);
-void CRC_ProcessByte(unsigned short *crcvalue, byte data);
-unsigned short CRC_Value(unsigned short crcvalue);
-
 //===== mathlib.h
 
 #ifdef DOUBLEVEC_T