diff --git a/src/porting.h b/src/porting.h
index 4963916f0..7c652663a 100644
--- a/src/porting.h
+++ b/src/porting.h
@@ -55,11 +55,6 @@
 	#define strncasecmp(x, y, n) strnicmp(x, y, n)
 #endif
 
-#ifdef __MINGW32__
-	// was broken in 2013, unclear if still needed
-	#define strtok_r(x, y, z) mystrtok_r(x, y, z)
-#endif
-
 #if !HAVE_STRLCPY
 	#define strlcpy(d, s, n) mystrlcpy(d, s, n)
 #endif
diff --git a/src/util/string.cpp b/src/util/string.cpp
index e06990356..03f9d5cf1 100644
--- a/src/util/string.cpp
+++ b/src/util/string.cpp
@@ -292,32 +292,6 @@ size_t mystrlcpy(char *dst, const char *src, size_t size) noexcept
 	return srclen;
 }
 
-char *mystrtok_r(char *s, const char *sep, char **lasts) noexcept
-{
-	char *t;
-
-	if (!s)
-		s = *lasts;
-
-	while (*s && strchr(sep, *s))
-		s++;
-
-	if (!*s)
-		return nullptr;
-
-	t = s;
-	while (*t) {
-		if (strchr(sep, *t)) {
-			*t++ = '\0';
-			break;
-		}
-		t++;
-	}
-
-	*lasts = t;
-	return s;
-}
-
 u64 read_seed(const char *str)
 {
 	char *endptr = nullptr;
diff --git a/src/util/string.h b/src/util/string.h
index d57a7baa9..eaa13a264 100644
--- a/src/util/string.h
+++ b/src/util/string.h
@@ -84,7 +84,6 @@ u32 readFlagString(std::string str, const FlagDesc *flagdesc, u32 *flagmask);
 std::string writeFlagString(u32 flags, const FlagDesc *flagdesc, u32 flagmask);
 
 size_t mystrlcpy(char *dst, const char *src, size_t size) noexcept;
-char *mystrtok_r(char *s, const char *sep, char **lasts) noexcept;
 
 /// @brief turn string into a map seed. either directly if it's a number or by hashing it.
 u64 read_seed(const char *str);