diff --git a/secutil.c b/secutil.c
index f8874f0..0255c60 100755
--- a/secutil.c
+++ b/secutil.c
@@ -121,7 +121,7 @@ SECU_PrintErrMsg(FILE *out, int level, char *progName, char *msg, ...)
 {
     va_list args;
     PRErrorCode err = PORT_GetError();
-    const char * errString = SECU_Strerror(err);
+    const char * errString = PORT_ErrorToString(err);
 
     va_start(args, msg);
 
diff --git a/secutil.h b/secutil.h
index aab71e3..3a416f2 100755
--- a/secutil.h
+++ b/secutil.h
@@ -94,9 +94,6 @@ extern void SECU_PrintError(char *progName, char *msg, ...);
 /* print out a system error message */
 extern void SECU_PrintSystemError(char *progName, char *msg, ...);
 
-/* Return informative error string */
-extern const char * SECU_Strerror(PRErrorCode errNum);
-
 /* Read the contents of a file into a SECItem */
 extern SECStatus SECU_FileToItem(SECItem *dst, PRFileDesc *src);
 extern SECStatus SECU_TextFileToItem(SECItem *dst, PRFileDesc *src);