diff --git a/usr/include/utf8.h b/usr/include/utf8.h
deleted file mode 100644
index 94268b7..0000000
--- a/usr/include/utf8.h
+++ /dev/null
@@ -1,76 +0,0 @@
-// license: cc0
-
-#include <iostream>
-#include <string>
-#include <cstdio>
-#include <vector>
-#include <stdint.h>
-
-class char32 {
-	uint32_t fetch32(char** cstr) {
-		uint32_t r(0);
-		int i(1);
-		unsigned char compare = (unsigned char)**cstr;
-		if (compare >> 3 == 0b11110) i = 4;
-		if (compare >> 4 == 0b1110) i = 3;
-		if (compare >> 5 == 0b110) i = 2;
-		for (;i>0;i--) {
-			r <<= 8;
-			r += (unsigned char)**cstr;
-			(*cstr)++;
-		}
-		return r;
-	}
-public:
-	uint32_t c;
-	char32(uint32_t i) {c = i;}
-	char32(const char* s) {c = fetch32((char**)&s);}
-	char32(char** s) {c = fetch32(s);}
-	bool operator==(char* cs) {return c==fetch32(&cs);}
-	bool operator==(char32 cs) {return c==cs.c;}
-	uint32_t operator>>(int a) const {return c>>a;}
-	char* toChar() const {
-		return new char[4]{(char)(c>>24), (char)(c>>16), (char)(c>>8), (char)c};
-	}
-};
-
-std::ostream& operator<<(std::ostream& stream, const char32& c32) {
-	char* asChar = c32.toChar();
-	for (int i(0);i<4;i++)
-		if (asChar[i])
-			stream << asChar[i];
-	delete asChar;
-	return stream;
-}
-
-struct string32 {
-	std::vector<char32> cs;
-	string32(char* sd) {
-		while (sd[0])
-			cs.push_back(char32(&sd));
-	}
-	int size() const {return cs.size();}
-	char32 operator[](int i) const {return cs[i];}
-	void replace(string32 find, string32 with) {
-		int havematched(0);
-		int findsize = find.cs.size();
-		for (int index(0); index < cs.size(); index++) {
-			if (cs.at(index) == find.cs.at(havematched))
-				havematched++;
-			else
-				havematched=0;
-			if (havematched == findsize) {
-				index -= findsize-1;
-				cs.erase(cs.begin()+index, cs.begin()+index+findsize);
-				cs.insert(cs.begin()+index, with.cs.begin(), with.cs.end());
-				break;
-			}
-		}
-	}
-};
-
-std::ostream& operator<<(std::ostream& stream, const string32& s32) {
-	for (int i=0;i<s32.size();i++)
-		stream << s32[i];
-	return stream;
-}