diff --git a/CMakeLists.txt b/CMakeLists.txt
index cca8398794..d38f667724 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1139,8 +1139,8 @@ if(SDL_LIBC)
     _Exit exp expf
     fabs fabsf floor floorf fmod fmodf fopen64 fseeko fseeko64
     getenv
-    _i64toa _i64toa_s index itoa _itoa_s
-    log log10 log10f logf lround lroundf _ltoa _ltoa_s
+    _i64toa index itoa
+    log log10 log10f logf lround lroundf _ltoa
     malloc memcmp memcpy memmove memset modf modff
     pow powf putenv
     rindex round roundf
@@ -1154,7 +1154,7 @@ if(SDL_LIBC)
   )
   if(WINDOWS OR CYGWIN)
     list(APPEND symbols_to_check
-      _copysign _fseeki64 _strrev _ui64toa _ui64toa_s _uitoa _ultoa _ultoa_s _wcsdup
+      _copysign _fseeki64 _strrev _ui64toa _uitoa _ultoa _wcsdup
     )
   else()
     list(APPEND symbols_to_check
diff --git a/include/build_config/SDL_build_config.h.cmake b/include/build_config/SDL_build_config.h.cmake
index 5a95fdf3e0..2e0cdc21b4 100644
--- a/include/build_config/SDL_build_config.h.cmake
+++ b/include/build_config/SDL_build_config.h.cmake
@@ -106,18 +106,13 @@
 #cmakedefine HAVE_STRNSTR 1
 #cmakedefine HAVE_STRTOK_R 1
 #cmakedefine HAVE_ITOA 1
-#cmakedefine HAVE__ITOA_S 1
 #cmakedefine HAVE__LTOA 1
-#cmakedefine HAVE__LTOA_S 1
 #cmakedefine HAVE__UITOA 1
 #cmakedefine HAVE__ULTOA 1
-#cmakedefine HAVE__ULTOA_S 1
 #cmakedefine HAVE_STRTOL 1
 #cmakedefine HAVE_STRTOUL 1
 #cmakedefine HAVE__I64TOA 1
-#cmakedefine HAVE__I64TOA_S 1
 #cmakedefine HAVE__UI64TOA 1
-#cmakedefine HAVE__UI64TOA_S 1
 #cmakedefine HAVE_STRTOLL 1
 #cmakedefine HAVE_STRTOULL 1
 #cmakedefine HAVE_STRTOD 1
diff --git a/src/stdlib/SDL_string.c b/src/stdlib/SDL_string.c
index b16b1c6792..f8813044ee 100644
--- a/src/stdlib/SDL_string.c
+++ b/src/stdlib/SDL_string.c
@@ -1155,10 +1155,7 @@ static const char ntoa_table[] = {
 
 char *SDL_itoa(int value, char *string, int radix)
 {
-#ifdef HAVE__ITOA_S
-    (void)_itoa_s(value, string, 12, radix);
-    return string;
-#elif defined(HAVE_ITOA)
+#ifdef HAVE_ITOA
     return itoa(value, string, radix);
 #else
     return SDL_ltoa((long)value, string, radix);
@@ -1176,10 +1173,7 @@ char *SDL_uitoa(unsigned int value, char *string, int radix)
 
 char *SDL_ltoa(long value, char *string, int radix)
 {
-#ifdef HAVE__LTOA_S
-    (void)_ltoa_s(value, string, 64, radix);
-    return string;
-#elif defined(HAVE__LTOA)
+#ifdef HAVE__LTOA
     return _ltoa(value, string, radix);
 #else
     char *bufp = string;
@@ -1197,10 +1191,7 @@ char *SDL_ltoa(long value, char *string, int radix)
 
 char *SDL_ultoa(unsigned long value, char *string, int radix)
 {
-#ifdef HAVE__ULTOA_S
-    (void)_ultoa_s(value, string, 64, radix);
-    return string;
-#elif defined(HAVE__ULTOA)
+#ifdef HAVE__ULTOA
     return _ultoa(value, string, radix);
 #else
     char *bufp = string;
@@ -1224,10 +1215,7 @@ char *SDL_ultoa(unsigned long value, char *string, int radix)
 
 char *SDL_lltoa(long long value, char *string, int radix)
 {
-#ifdef HAVE__I64TOA_S
-    (void)_i64toa_s(value, string, 64, radix);
-    return string;
-#elif defined(HAVE__I64TOA)
+#ifdef HAVE__I64TOA
     return _i64toa(value, string, radix);
 #else
     char *bufp = string;
@@ -1245,10 +1233,7 @@ char *SDL_lltoa(long long value, char *string, int radix)
 
 char *SDL_ulltoa(unsigned long long value, char *string, int radix)
 {
-#ifdef HAVE__UI64TOA_S
-    (void)_ui64toa_s(value, string, 64, radix);
-    return string;
-#elif defined(HAVE__UI64TOA)
+#ifdef HAVE__UI64TOA
     return _ui64toa(value, string, radix);
 #else
     char *bufp = string;