diff --git a/src/poc/sprite-enhalfen.c b/src/poc/sprite-enhalfen.c
deleted file mode 100644
index 32ca00e1e..000000000
--- a/src/poc/sprite-enhalfen.c
+++ /dev/null
@@ -1,135 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-static const char* luigis[] = {
-"0000000000000000"
-"0000000000000000"
-"0000000111110000"
-"0000011111120000"
-"0000111111220000"
-"0000111111111110"
-"0000333223222000"
-"0003223223322220"
-"0003223322222222"
-"0033223322232222"
-"0033222223333330"
-"0003322222333330"
-"0000032222222200"
-"0000311122200000"
-"0003133313000000"
-"0003133331300000"
-"0033133333112200"
-"0031133333332222"
-"0031113333332222"
-"0001113333333222"
-"0001111333333222"
-"0001111113331000"
-"0001111111111000"
-"0001111111113000"
-"3333111111131100"
-"3333111113311100"
-"3333111131111000"
-"3333111001111000"
-"3333000003333000"
-"3300000003333000"
-"3000000003333330"
-"0000000003333330",
-
-"0000000000000000"
-"0000001111100000"
-"0000111111200000"
-"0001111112200000"
-"0001111111111100"
-"0003332232220000"
-"0032232233222200"
-"0032233222222220"
-"0332233222322220"
-"0332222233333300"
-"0033222223333300"
-"0003322222222000"
-"0000111122000000"
-"0003133113300000"
-"0031333311300000"
-"0031333311330000"
-"0031333311130000"
-"0031333332230000"
-"0031333322220000"
-"0011133322221000"
-"0011133322221100"
-"0011113322211100"
-"0011111133111100"
-"0001111133311000"
-"0000111333333000"
-"0000113333330000"
-"0000011333300000"
-"0000031113330000"
-"0000033330330000"
-"0000333330000000"
-"0000333333300000"
-"0000003333300000",
-
-"0000001111100000"
-"0000111111200000"
-"0001111112200000"
-"0001111111111100"
-"0003332232220000"
-"0032232233222200"
-"0032233222222220"
-"0332233222322220"
-"0332222233333300"
-"0333222223333300"
-"0003322222222000"
-"0000033322000000"
-"0000111133100020"
-"0003333113310222"
-"0033333311313222"
-"0333333311331222"
-"0333333311331323"
-"0333333111331330"
-"3333331112132300"
-"3333111111111000"
-"2222211111111000"
-"2222211111111003"
-"2222111111111033"
-"0222111111133333"
-"0001311111133333"
-"0031131111133333"
-"3331113311133333"
-"3333111100033333"
-"3333310000000000"
-"0333000000000000"
-"0333000000000000"
-"0033300000000000",
-
-NULL
-};
-
-static int
-enhalfen(const char* s, int width){
-  if(strlen(s) % (width * 2)){
-    fprintf(stderr, "Bad length: %zu\n", strlen(s));
-    return -1;
-  }
-  size_t rowoff = 0;
-  size_t idx;
-  for(rowoff = 0 ; s[rowoff] ; rowoff += 2 * width){ 
-    for(idx = 0 ; idx < width ; ++idx){
-      int c = (s[rowoff + idx] - '0') * 4 + (s[rowoff + width + idx] - '0');
-      printf("%x", c);
-    }
-    printf("\n");
-  }
-  return 0;
-}
-
-int main(void){
-  const char** sprite;
-  for(sprite = luigis ; *sprite ; ++sprite){
-    if(enhalfen(*sprite, 16)){
-      return EXIT_FAILURE;
-    }
-    printf("\n");
-  }
-  return EXIT_SUCCESS;
-}