diff --git a/include/asterisk/utils.h b/include/asterisk/utils.h
index 59a4360d55..074bc085db 100644
--- a/include/asterisk/utils.h
+++ b/include/asterisk/utils.h
@@ -554,21 +554,8 @@ char * attribute_malloc _ast_strndup(const char *str, size_t len, const char *fi
 #define ast_asprintf(ret, fmt, ...) \
 	_ast_asprintf((ret), __FILE__, __LINE__, __PRETTY_FUNCTION__, fmt, __VA_ARGS__)
 
-AST_INLINE_API(
-__attribute__((format (printf, 5, 6)))
-int _ast_asprintf(char **ret, const char *file, int lineno, const char *func, const char *fmt, ...),
-{
-	int res;
-	va_list ap;
-
-	va_start(ap, fmt);
-	if ((res = vasprintf(ret, fmt, ap)) == -1)
-		MALLOC_FAILURE_MSG;
-	va_end(ap);
-
-	return res;
-}
-)
+int __attribute__((format (printf, 5, 6)))
+	_ast_asprintf(char **ret, const char *file, int lineno, const char *func, const char *fmt, ...);
 
 /*!
  * \brief A wrapper for vasprintf()
diff --git a/main/utils.c b/main/utils.c
index bfd13d41ca..b082962635 100644
--- a/main/utils.c
+++ b/main/utils.c
@@ -1576,3 +1576,19 @@ int ast_utils_init(void)
 #endif
 	return 0;
 }
+
+#ifndef __AST_DEBUG_MALLOC
+int _ast_asprintf(char **ret, const char *file, int lineno, const char *func, const char *fmt, ...)
+{
+	int res;
+	va_list ap;
+
+	va_start(ap, fmt);
+	if ((res = vasprintf(ret, fmt, ap)) == -1) {
+		MALLOC_FAILURE_MSG;
+	}
+	va_end(ap);
+
+	return res;
+}
+#endif