diff --git a/lib/alloca.c b/lib/alloca.c
index c1699c4..b533583 100644
--- a/lib/alloca.c
+++ b/lib/alloca.c
@@ -172,7 +172,7 @@ alloca (size)
      unsigned size;
 {
   auto char probe;		/* Probes stack depth: */
-  register char *depth = ADDRESS_FUNCTION (probe);
+  char *depth = ADDRESS_FUNCTION (probe);
 
 #if STACK_DIRECTION == 0
   if (STACK_DIR == 0)		/* Unknown growth direction.  */
@@ -183,7 +183,7 @@ alloca (size)
      was allocated from deeper in the stack than currently.  */
 
   {
-    register header *hp;	/* Traverses linked list.  */
+    header *hp;	/* Traverses linked list.  */
 
 #ifdef emacs
     BLOCK_INPUT;
@@ -193,7 +193,7 @@ alloca (size)
       if ((STACK_DIR > 0 && hp->h.deep > depth)
 	  || (STACK_DIR < 0 && hp->h.deep < depth))
 	{
-	  register header *np = hp->h.next;
+	  header *np = hp->h.next;
 
 	  free ((pointer) hp);	/* Collect garbage.  */
 
@@ -215,7 +215,7 @@ alloca (size)
   /* Allocate combined header + user data storage.  */
 
   {
-    register pointer new = malloc (sizeof (header) + size);
+    pointer new = malloc (sizeof (header) + size);
     /* Address of header.  */
 
     if (new == 0)
diff --git a/lib/getline.c b/lib/getline.c
index ba05abb..8995eb5 100644
--- a/lib/getline.c
+++ b/lib/getline.c
@@ -88,7 +88,7 @@ getstr (lineptr, n, stream, terminator, offset)
 
   for (;;)
     {
-      register int c = getc (stream);
+      int c = getc (stream);
 
       /* We always want at least one char left in the buffer, since we
 	 always (unless we get an error while reading the first char)
diff --git a/lib/getopt.c b/lib/getopt.c
index 7da985f..60041d0 100644
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -346,7 +346,7 @@ exchange (argv)
 	{
 	  /* Bottom segment is the short one.  */
 	  int len = middle - bottom;
-	  register int i;
+	  int i;
 
 	  /* Swap it with the top part of the top segment.  */
 	  for (i = 0; i < len; i++)
@@ -363,7 +363,7 @@ exchange (argv)
 	{
 	  /* Top segment is the short one.  */
 	  int len = top - middle;
-	  register int i;
+	  int i;
 
 	  /* Swap it with the bottom part of the bottom segment.  */
 	  for (i = 0; i < len; i++)
diff --git a/lib/memset.c b/lib/memset.c
index a0db560..c2b2950 100644
--- a/lib/memset.c
+++ b/lib/memset.c
@@ -21,7 +21,7 @@ memset (str, c, len)
      int c;
      unsigned len;
 {
-  register char *st = str;
+  char *st = str;
 
   while (len-- > 0)
     *st++ = c;
diff --git a/lib/obstack.c b/lib/obstack.c
index e5b5d4f..a8c26fa 100644
--- a/lib/obstack.c
+++ b/lib/obstack.c
@@ -160,7 +160,7 @@ _obstack_begin (h, size, alignment, chunkfun, freefun)
      void (*freefun) ();
 #endif
 {
-  register struct _obstack_chunk *chunk; /* points to new chunk */
+  struct _obstack_chunk *chunk; /* points to new chunk */
 
   if (alignment == 0)
     alignment = (int) DEFAULT_ALIGNMENT;
@@ -219,7 +219,7 @@ _obstack_begin_1 (h, size, alignment, chunkfun, freefun, arg)
 #endif
      POINTER arg;
 {
-  register struct _obstack_chunk *chunk; /* points to new chunk */
+  struct _obstack_chunk *chunk; /* points to new chunk */
 
   if (alignment == 0)
     alignment = (int) DEFAULT_ALIGNMENT;
@@ -276,11 +276,11 @@ _obstack_newchunk (h, length)
      struct obstack *h;
      int length;
 {
-  register struct _obstack_chunk *old_chunk = h->chunk;
-  register struct _obstack_chunk *new_chunk;
-  register long	new_size;
-  register long obj_size = h->next_free - h->object_base;
-  register long i;
+  struct _obstack_chunk *old_chunk = h->chunk;
+  struct _obstack_chunk *new_chunk;
+  long	new_size;
+  long obj_size = h->next_free - h->object_base;
+  long i;
   long already;
 
   /* Compute size for new chunk.  */
@@ -346,8 +346,8 @@ _obstack_allocated_p (h, obj)
      struct obstack *h;
      POINTER obj;
 {
-  register struct _obstack_chunk *lp;	/* below addr of any objects in this chunk */
-  register struct _obstack_chunk *plp;	/* point to previous chunk if any */
+  struct _obstack_chunk *lp;	/* below addr of any objects in this chunk */
+  struct _obstack_chunk *plp;	/* point to previous chunk if any */
 
   lp = (h)->chunk;
   /* We use >= rather than > since the object cannot be exactly at
@@ -374,8 +374,8 @@ _obstack_free (h, obj)
      struct obstack *h;
      POINTER obj;
 {
-  register struct _obstack_chunk *lp;	/* below addr of any objects in this chunk */
-  register struct _obstack_chunk *plp;	/* point to previous chunk if any */
+  struct _obstack_chunk *lp;	/* below addr of any objects in this chunk */
+  struct _obstack_chunk *plp;	/* point to previous chunk if any */
 
   lp = h->chunk;
   /* We use >= because there cannot be an object at the beginning of a chunk.
@@ -408,8 +408,8 @@ obstack_free (h, obj)
      struct obstack *h;
      POINTER obj;
 {
-  register struct _obstack_chunk *lp;	/* below addr of any objects in this chunk */
-  register struct _obstack_chunk *plp;	/* point to previous chunk if any */
+  struct _obstack_chunk *lp;	/* below addr of any objects in this chunk */
+  struct _obstack_chunk *plp;	/* point to previous chunk if any */
 
   lp = h->chunk;
   /* We use >= because there cannot be an object at the beginning of a chunk.
@@ -439,8 +439,8 @@ int
 _obstack_memory_used (h)
      struct obstack *h;
 {
-  register struct _obstack_chunk* lp;
-  register int nbytes = 0;
+  struct _obstack_chunk* lp;
+  int nbytes = 0;
 
   for (lp = h->chunk; lp != 0; lp = lp->prev)
     {
diff --git a/lib/stpcpy.c b/lib/stpcpy.c
index 0ad8863..14be0e0 100644
--- a/lib/stpcpy.c
+++ b/lib/stpcpy.c
@@ -37,8 +37,8 @@ __stpcpy (dest, src)
      char *dest;
      const char *src;
 {
-  register char *d = dest;
-  register const char *s = src;
+  char *d = dest;
+  const char *s = src;
 
   do
     *d++ = *s;
diff --git a/lib/strtol.c b/lib/strtol.c
index d49f1c6..8fd350b 100644
--- a/lib/strtol.c
+++ b/lib/strtol.c
@@ -238,11 +238,11 @@ INTERNAL (strtol) (nptr, endptr, base, group LOCALE_PARAM)
      LOCALE_PARAM_DECL
 {
   int negative;
-  register unsigned LONG int cutoff;
-  register unsigned int cutlim;
-  register unsigned LONG int i;
-  register const STRING_TYPE *s;
-  register UCHAR_TYPE c;
+  unsigned LONG int cutoff;
+  unsigned int cutlim;
+  unsigned LONG int i;
+  const STRING_TYPE *s;
+  UCHAR_TYPE c;
   const STRING_TYPE *save, *end;
   int overflow;
 
diff --git a/src/po-gram.gen.c b/src/po-gram.gen.c
index 7ac7fa6..1e65466 100644
--- a/src/po-gram.gen.c
+++ b/src/po-gram.gen.c
@@ -324,9 +324,9 @@ __po_gram__memcpy (to, from, count)
      char *from;
      int count;
 {
-  register char *f = from;
-  register char *t = to;
-  register int i = count;
+  char *f = from;
+  char *t = to;
+  int i = count;
 
   while (i-- > 0)
     *t++ = *f++;
@@ -339,9 +339,9 @@ __po_gram__memcpy (to, from, count)
 static void
 __po_gram__memcpy (char *to, char *from, int count)
 {
-  register char *f = from;
-  register char *t = to;
-  register int i = count;
+  char *f = from;
+  char *t = to;
+  int i = count;
 
   while (i-- > 0)
     *t++ = *f++;
@@ -375,10 +375,10 @@ int
 po_gram_parse(po_gram_PARSE_PARAM_ARG)
      po_gram_PARSE_PARAM_DECL
 {
-  register int po_gram_state;
-  register int po_gram_n;
-  register short *po_gram_ssp;
-  register po_gram_STYPE *po_gram_vsp;
+  int po_gram_state;
+  int po_gram_n;
+  short *po_gram_ssp;
+  po_gram_STYPE *po_gram_vsp;
   int po_gram_errstatus;	/*  number of tokens to shift before error messages enabled */
   int po_gram_char1 = 0;		/*  lookahead token as an internal (translated) token number */
 
diff --git a/src/po-hash.gen.c b/src/po-hash.gen.c
index b7ded1b..bc31589 100644
--- a/src/po-hash.gen.c
+++ b/src/po-hash.gen.c
@@ -341,9 +341,9 @@ __po_hash__memcpy (to, from, count)
      char *from;
      int count;
 {
-  register char *f = from;
-  register char *t = to;
-  register int i = count;
+  char *f = from;
+  char *t = to;
+  int i = count;
 
   while (i-- > 0)
     *t++ = *f++;
@@ -356,9 +356,9 @@ __po_hash__memcpy (to, from, count)
 static void
 __po_hash__memcpy (char *to, char *from, int count)
 {
-  register char *f = from;
-  register char *t = to;
-  register int i = count;
+  char *f = from;
+  char *t = to;
+  int i = count;
 
   while (i-- > 0)
     *t++ = *f++;
@@ -392,10 +392,10 @@ int
 po_hash_parse(po_hash_PARSE_PARAM_ARG)
      po_hash_PARSE_PARAM_DECL
 {
-  register int po_hash_state;
-  register int po_hash_n;
-  register short *po_hash_ssp;
-  register po_hash_STYPE *po_hash_vsp;
+  int po_hash_state;
+  int po_hash_n;
+  short *po_hash_ssp;
+  po_hash_STYPE *po_hash_vsp;
   int po_hash_errstatus;	/*  number of tokens to shift before error messages enabled */
   int po_hash_char1 = 0;		/*  lookahead token as an internal (translated) token number */