diff --git a/legacy/embryo/src/bin/embryo_cc_sc.h b/legacy/embryo/src/bin/embryo_cc_sc.h
index 0fc8691c02..97bff61b8e 100644
--- a/legacy/embryo/src/bin/embryo_cc_sc.h
+++ b/legacy/embryo/src/bin/embryo_cc_sc.h
@@ -586,7 +586,6 @@ int         phopt_init(void);
 int         phopt_cleanup(void);
 
 /* function prototypes in SCLIST.C */
-char       *duplicatestring(const char *sourcestring);
 stringpair *insert_alias(char *name, char *alias);
 stringpair *find_alias(char *name);
 int         lookup_alias(char *target, char *name);
diff --git a/legacy/embryo/src/bin/embryo_cc_sc1.c b/legacy/embryo/src/bin/embryo_cc_sc1.c
index 27b83f9fc7..23c0a4fe9f 100644
--- a/legacy/embryo/src/bin/embryo_cc_sc1.c
+++ b/legacy/embryo/src/bin/embryo_cc_sc1.c
@@ -2727,7 +2727,7 @@ doarg(char *name, int ident, int offset, int tags[], int numtags,
 
 		       tokeninfo(&val, &name);
 		       if ((arg->defvalue.size.symname =
-			    duplicatestring(name)) == NULL)
+			    strdup(name)) == NULL)
 			  error(103);	/* insufficient memory */
 		       arg->defvalue.size.level = 0;
 		       if (size_tag_token == uSIZEOF)
diff --git a/legacy/embryo/src/bin/embryo_cc_sc2.c b/legacy/embryo/src/bin/embryo_cc_sc2.c
index d2facd115b..0f0ff23939 100644
--- a/legacy/embryo/src/bin/embryo_cc_sc2.c
+++ b/legacy/embryo/src/bin/embryo_cc_sc2.c
@@ -122,7 +122,7 @@ plungequalifiedfile(char *name)
    pushstk((stkitem) fcurrent);
    /* FIXME: 64bit unsafe */
    pushstk((stkitem) fline);
-   inpfname = duplicatestring(name);	/* set name of include file */
+   inpfname = strdup(name);	/* set name of include file */
    if (inpfname == NULL)
       error(103);		/* insufficient memory */
    inpf = fp;			/* set input file pointer to include file */
@@ -934,7 +934,7 @@ command(void)
 	     if (strlen(pathname) > 0)
 	       {
 		  free(inpfname);
-		  inpfname = duplicatestring(pathname);
+		  inpfname = strdup(pathname);
 		  if (inpfname == NULL)
 		     error(103);	/* insufficient memory */
 	       }		/* if */
diff --git a/legacy/embryo/src/bin/embryo_cc_sclist.c b/legacy/embryo/src/bin/embryo_cc_sclist.c
index a8e0d67f48..f04840b515 100644
--- a/legacy/embryo/src/bin/embryo_cc_sclist.c
+++ b/legacy/embryo/src/bin/embryo_cc_sclist.c
@@ -28,19 +28,6 @@
 #include <string.h>
 #include "embryo_cc_sc.h"
 
-/* a "private" implementation of strdup(), so that porting
- * to other memory allocators becomes easier.
- * By Søren Hannibal.
- */
-char       *
-duplicatestring(const char *sourcestring)
-{
-   char               *result = malloc(strlen(sourcestring) + 1);
-
-   strcpy(result, sourcestring);
-   return result;
-}
-
 static stringpair  *
 insert_stringpair(stringpair * root, char *first, char *second, int matchlength)
 {
@@ -52,8 +39,8 @@ insert_stringpair(stringpair * root, char *first, char *second, int matchlength)
    /* create a new node, and check whether all is okay */
    if ((cur = (stringpair *) malloc(sizeof(stringpair))) == NULL)
       return NULL;
-   cur->first = duplicatestring(first);
-   cur->second = duplicatestring(second);
+   cur->first = strdup(first);
+   cur->second = strdup(second);
    cur->matchlength = matchlength;
    if (cur->first == NULL || cur->second == NULL)
      {
@@ -191,7 +178,7 @@ insert_path(char *path)
    assert(path != NULL);
    if ((cur = (stringlist *) malloc(sizeof(stringlist))) == NULL)
       error(103);		/* insufficient memory (fatal error) */
-   if ((cur->line = duplicatestring(path)) == NULL)
+   if ((cur->line = strdup(path)) == NULL)
       error(103);		/* insufficient memory (fatal error) */
    cur->next = includepaths.next;
    includepaths.next = cur;