diff --git a/src/obj_long.c b/src/obj_long.c
index 8eeeec3..16d51ac 100644
--- a/src/obj_long.c
+++ b/src/obj_long.c
@@ -2455,7 +2455,7 @@ static size_t round_to(char * str, size_t len, size_t actual, size_t digits) {
  *
  *
  */
-KrkValue krk_double_to_string(double a, int exact, unsigned int digits, char formatter, int plus, int forcedigits) {
+KrkValue krk_double_to_string(double a, unsigned int digits, char formatter, int plus, int forcedigits) {
 	union { double d; uint64_t u; } val = {.d = a};
 
 	int noexp = (formatter | 0x20) == 'f';
diff --git a/src/obj_numeric.c b/src/obj_numeric.c
index ce486bf..1bdf354 100644
--- a/src/obj_numeric.c
+++ b/src/obj_numeric.c
@@ -627,9 +627,9 @@ KRK_StaticMethod(float,__new__) {
 KRK_Method(float,__int__) { return krk_int_from_float(self); }
 KRK_Method(float,__float__) { return argv[0]; }
 
-extern KrkValue krk_double_to_string(double,int,unsigned int,char,int,int);
+extern KrkValue krk_double_to_string(double,unsigned int,char,int,int);
 KRK_Method(float,__repr__) {
-	return krk_double_to_string(self,0,16,' ',0,0);
+	return krk_double_to_string(self,16,' ',0,0);
 }
 
 KRK_Method(float,__format__) {
@@ -675,7 +675,7 @@ KRK_Method(float,__format__) {
 	if (opts.hasPrecision) digits = opts.prec;
 	if (!opts.align) opts.align = '>';
 
-	KrkValue result = krk_double_to_string(self, 0, digits, formatter, opts.sign == '+', forcedigits);
+	KrkValue result = krk_double_to_string(self, digits, formatter, opts.sign == '+', forcedigits);
 	if (!IS_STRING(result) || !opts.width) return result;
 
 	krk_push(result);