diff --git a/aegisub/src/kana_table.cpp b/aegisub/src/kana_table.cpp
index ff74c2623..2b79511ce 100644
--- a/aegisub/src/kana_table.cpp
+++ b/aegisub/src/kana_table.cpp
@@ -34,16 +34,13 @@
 //
 
 
-///////////
-// Headers
 #include "config.h"
 
 #include "kana_table.h"
 
 
-///////////////
-// Constructor
-KanaTable::KanaTable() {
+KanaTable::KanaTable()
+{
 
 	// Regular kana usage and combinations
 
@@ -273,10 +270,7 @@ KanaTable::~KanaTable()
 }
 
 
-//////////
-// Insert
-void KanaTable::Insert(wchar_t *hira,wchar_t *kata,wchar_t *hep) {
-#ifdef _UNICODE
+void KanaTable::Insert(const wchar_t *hira, const wchar_t *kata, const wchar_t *hep)
+{
 	entries.push_back(KanaEntry(hira,kata,hep));
-#endif
 }
diff --git a/aegisub/src/kana_table.h b/aegisub/src/kana_table.h
index a4afd5b2a..9859651f6 100644
--- a/aegisub/src/kana_table.h
+++ b/aegisub/src/kana_table.h
@@ -50,7 +50,7 @@ public:
 	wxString hepburn;
 
 	KanaEntry() {}
-	KanaEntry(wxString hira,wxString kata,wxString hep) {
+	KanaEntry(const wxString &hira, const wxString &kata, const wxString &hep) {
 		hiragana = hira;
 		katakana = kata;
 		hepburn = hep;
@@ -62,7 +62,7 @@ public:
 // Hiragana/Katakana table
 class KanaTable {
 private:
-	void Insert(wchar_t *hira,wchar_t *kata,wchar_t *hep);
+	void Insert(const wchar_t *hira, const wchar_t *kata, const wchar_t *hep);
 
 public:
 	std::list<KanaEntry> entries;