diff --git a/conf/config_file_macros.h b/conf/config_file_macros.h
index f42146c4b8..3fcd7ef127 100644
--- a/conf/config_file_macros.h
+++ b/conf/config_file_macros.h
@@ -19,7 +19,7 @@
 #ifndef CONFIG_FILE_MACROS_H__
 #define CONFIG_FILE_MACROS_H__
 
-/* Macros to ease config getting. */
+// Macros to ease config getting.
 
 #define CONFIG_GET_BOOL_BASE(conf, base, var, key) do { \
    bool tmp; \
diff --git a/console/rom_ext.c b/console/rom_ext.c
index 327c2668fe..d524dd1c9c 100644
--- a/console/rom_ext.c
+++ b/console/rom_ext.c
@@ -24,22 +24,22 @@ const char *ssnes_console_get_rom_ext(void)
 {
    const char *id = snes_library_id();
 
-   /* SNES9x / bSNES */
+   // SNES9x / bSNES
    if (strstr(id, "SNES"))
       return "smc|fig|sfc|gd3|gd7|dx2|bsx|swc|zip|SMC|FIG|SFC|BSX|GD3|GD7|DX2|SWC|ZIP";
-   /* FCEU Next */
+   // FCEU Next
    else if (strstr(id, "FCEU"))
       return "fds|FDS|zip|ZIP|nes|NES|unif|UNIF";
-   /* VBA Next / Meteor */
+   // VBA Next / Meteor
    else if (strstr(id, "VBA") || strstr(id, "Meteor"))
       return "gb|gbc|gba|GBA|GB|GBC|zip|ZIP";
-   /* Gambatte */
+   // Gambatte
    else if (strstr(id, "gambatte"))
       return "gb|gbc|GB|GBC|zip|ZIP";
-   /* FBA Next */
+   // FBA Next
    else if (strstr(id, "FBA"))
       return "zip|ZIP";
-   /* Genesis Plus GX/Next */
+   // Genesis Plus GX/Next
    else if (strstr(id, "Genesis Plus GX"))
       return "md|smd|bin|gen|zip|MD|SMD|bin|GEN|ZIP|sms|SMS|gg|GG|sg|SG";