diff --git a/dlls/msvcrt/file.c b/dlls/msvcrt/file.c
index 30f83e66f17..6082cb9b342 100644
--- a/dlls/msvcrt/file.c
+++ b/dlls/msvcrt/file.c
@@ -2109,7 +2109,7 @@ int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
       unsigned int i, j, nr_lf;
       char *p = NULL;
       const char *q;
-      const char *s = (const char *)buf, *buf_start = (const char *)buf;
+      const char *s = buf, *buf_start = buf;
       /* find number of \n ( without preceding \r ) */
       for ( nr_lf=0,i = 0; i <count; i++)
       {
@@ -2123,7 +2123,7 @@ int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
       {
           if ((q = p = MSVCRT_malloc(count + nr_lf)))
           {
-              for (s = (const char *)buf, i = 0, j = 0; i < count; i++)
+              for (s = buf, i = 0, j = 0; i < count; i++)
               {
                   if (s[i]== '\n')
                   {
diff --git a/dlls/msvcrt/locale.c b/dlls/msvcrt/locale.c
index e0ddb94e973..f524c8dbab4 100644
--- a/dlls/msvcrt/locale.c
+++ b/dlls/msvcrt/locale.c
@@ -265,7 +265,7 @@ static void msvcrt_set_ctype(unsigned int codepage, LCID lcid)
   {
     int i;
     char str[3];
-    unsigned char *traverse = (unsigned char *)cp.LeadByte;
+    unsigned char *traverse = cp.LeadByte;
 
     memset(MSVCRT_current_ctype, 0, sizeof(MSVCRT__ctype));
     MSVCRT___lc_codepage = codepage;
diff --git a/dlls/msvcrt/time.c b/dlls/msvcrt/time.c
index f95b8b6a047..a929120e1de 100644
--- a/dlls/msvcrt/time.c
+++ b/dlls/msvcrt/time.c
@@ -173,7 +173,7 @@ MSVCRT_wchar_t* CDECL _wstrdate(MSVCRT_wchar_t* date)
 {
   static const WCHAR format[] = { 'M','M','\'','/','\'','d','d','\'','/','\'','y','y',0 };
 
-  GetDateFormatW(LOCALE_NEUTRAL, 0, NULL, format, (LPWSTR)date, 9);
+  GetDateFormatW(LOCALE_NEUTRAL, 0, NULL, format, date, 9);
 
   return date;
 }
@@ -197,7 +197,7 @@ MSVCRT_wchar_t* CDECL _wstrtime(MSVCRT_wchar_t* time)
 {
   static const WCHAR format[] = { 'H','H','\'',':','\'','m','m','\'',':','\'','s','s',0 };
 
-  GetTimeFormatW(LOCALE_NEUTRAL, 0, NULL, format, (LPWSTR)time, 9);
+  GetTimeFormatW(LOCALE_NEUTRAL, 0, NULL, format, time, 9);
 
   return time;
 }