diff --git a/build.sh b/build.sh
index b23bf24..27b920e 100755
--- a/build.sh
+++ b/build.sh
@@ -46,8 +46,6 @@ rm -f ./bin/*
 if [ $format = 1 ];
 then
 	echo "Formatting.."
-	clang-format -i src/uxn.h
-	clang-format -i src/uxn.c
 	clang-format -i src/devices/system.h
 	clang-format -i src/devices/system.c
 	clang-format -i src/devices/screen.h
diff --git a/src/uxn.c b/src/uxn.c
index 429f9ae..6228bbf 100644
--- a/src/uxn.c
+++ b/src/uxn.c
@@ -11,18 +11,16 @@ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 WITH REGARD TO THIS SOFTWARE.
 */
 
-/* clang-format off */
-
 /*	a,b,c: general use.  bs: byte/short bool. src, dst: stack ptrs, swapped in return mode.
 	pc: program counter. sp: ptr to src stack ptr. kptr: "keep" mode copy of src stack ptr.
-	x,y: macro in params. d: macro in device. j,k,dev: macro temp variables. o: macro out param. */
+	x,y: macro in params. d: macro in device. j: macro temp variables. o: macro out param. */
 
 #define HALT(c) { return uxn_halt(u, instr, (c), pc - 1); }
 #define LITERAL { if(bs) { PEEK16(a, pc) PUSH16(src, a) pc += 2; } else { a = u->ram[pc]; PUSH8(src, a) pc += 1; } }
 #define CALL { if(bs){ PEEK16(a, pc) PUSH16(u->rst, pc + 2) pc = a; } else { a = u->ram[pc]; PUSH16(u->rst, pc + 1) pc += (Sint8)a + 2; } }
 #define JUMP(x) { if(bs) pc = (x); else pc += (Sint8)(x); }
 #define PUSH8(s, x) { if(s->ptr == 0xff) HALT(2) s->dat[s->ptr++] = (x); }
-#define PUSH16(s, x) { if((j = s->ptr) >= 0xfe) HALT(2) k = (x); s->dat[j] = k >> 8; s->dat[j + 1] = k; s->ptr = j + 2; }
+#define PUSH16(s, x) { if((j = s->ptr) >= 0xfe) HALT(2) s->dat[j] = (x) >> 8; s->dat[j + 1] = (x); s->ptr = j + 2; }
 #define PUSH(s, x) { if(bs) { PUSH16(s, (x)) } else { PUSH8(s, (x)) } }
 #define POP8(o) { if(!(j = *sp)) HALT(1) o = (Uint16)src->dat[--j]; *sp = j; }
 #define POP16(o) { if((j = *sp) <= 1) HALT(1) o = src->dat[j - 1]; o += src->dat[j - 2] << 8; *sp = j - 2; }
@@ -36,7 +34,7 @@ WITH REGARD TO THIS SOFTWARE.
 int
 uxn_eval(Uxn *u, Uint16 pc)
 {
-	unsigned int a, b, c, j, k, bs, instr;
+	unsigned int a, b, c, j, bs, instr;
 	Uint8 kptr, *sp;
 	Stack *src, *dst;
 	if(!pc || u->dev[0x0f]) return 0;
@@ -87,8 +85,6 @@ uxn_eval(Uxn *u, Uint16 pc)
 	return 1;
 }
 
-/* clang-format on */
-
 int
 uxn_boot(Uxn *u, Uint8 *ram, Dei *dei, Deo *deo)
 {
diff --git a/src/uxn.h b/src/uxn.h
index dc74852..f217213 100644
--- a/src/uxn.h
+++ b/src/uxn.h
@@ -39,6 +39,6 @@ typedef struct Uxn {
 typedef Uint8 Dei(Uxn *u, Uint8 addr);
 typedef void Deo(Uxn *u, Uint8 addr, Uint8 value);
 
+int uxn_halt(Uxn *u, Uint8 instr, Uint8 err, Uint16 addr);
 int uxn_boot(Uxn *u, Uint8 *ram, Dei *dei, Deo *deo);
 int uxn_eval(Uxn *u, Uint16 pc);
-int uxn_halt(Uxn *u, Uint8 instr, Uint8 err, Uint16 addr);