diff --git a/src/safeguards.h b/src/safeguards.h
index e3ae5326ac..02da05b918 100644
--- a/src/safeguards.h
+++ b/src/safeguards.h
@@ -36,7 +36,7 @@
 #define strcpy    SAFEGUARD_DO_NOT_USE_THIS_METHOD
 #define strncpy   SAFEGUARD_DO_NOT_USE_THIS_METHOD
 
-/* Use strecat instead. */
+/* Use std::string concatenation/fmt::format instead. */
 #define strcat    SAFEGUARD_DO_NOT_USE_THIS_METHOD
 #define strncat   SAFEGUARD_DO_NOT_USE_THIS_METHOD
 
diff --git a/src/string.cpp b/src/string.cpp
index f55ebfbe24..c16ec8c540 100644
--- a/src/string.cpp
+++ b/src/string.cpp
@@ -49,33 +49,6 @@
 #include "safeguards.h"
 #undef vsnprintf
 
-/**
- * Appends characters from one string to another.
- *
- * Appends the source string to the destination string with respect of the
- * terminating null-character and and the last pointer to the last element
- * in the destination buffer. If the last pointer is set to nullptr no
- * boundary check is performed.
- *
- * @note usage: strecat(dst, src, lastof(dst));
- * @note lastof() applies only to fixed size arrays
- *
- * @param dst The buffer containing the target string
- * @param src The buffer containing the string to append
- * @param last The pointer to the last element of the destination buffer
- * @return The pointer to the terminating null-character in the destination buffer
- */
-char *strecat(char *dst, const char *src, const char *last)
-{
-	assert(dst <= last);
-	while (*dst != '\0') {
-		if (dst == last) return dst;
-		dst++;
-	}
-
-	return strecpy(dst, src, last);
-}
-
 
 /**
  * Copies characters from one buffer to another.
diff --git a/src/string_func.h b/src/string_func.h
index 914cd064c3..d66a992f09 100644
--- a/src/string_func.h
+++ b/src/string_func.h
@@ -30,7 +30,6 @@
 #include "core/span_type.hpp"
 #include "string_type.h"
 
-char *strecat(char *dst, const char *src, const char *last) NOACCESS(3);
 char *strecpy(char *dst, const char *src, const char *last) NOACCESS(3);
 char *stredup(const char *src, const char *last = nullptr) NOACCESS(2);
 
diff --git a/src/strings_internal.h b/src/strings_internal.h
index 61a5745e4a..34a93e9cdc 100644
--- a/src/strings_internal.h
+++ b/src/strings_internal.h
@@ -122,7 +122,7 @@ public:
 	}
 
 	/**
-	 * Add a string using the strecpy/strecat-esque calling signature.
+	 * Add a string using the strecpy-esque calling signature.
 	 * @param function The function to pass the current and last location to,
 	 *                 that will then return the new current location.
 	 */