diff --git a/src/main/engine/op/math.c b/src/main/engine/op/math.c
deleted file mode 100644
index 2a365e5f..00000000
--- a/src/main/engine/op/math.c
+++ /dev/null
@@ -1,19 +0,0 @@
-// Read https://raw.githubusercontent.com/reginaldford/sms/main/LICENSE.txt for license information
-
-#include "../../sms.h"
-
-void sm_op_add(){
-  sm_op_push4(sm_op_pop()+sm_op_pop());
-}
-
-void sm_op_subtract(){
-  sm_op_push4(sm_op_pop()-sm_op_pop());
-}
-
-void sm_op_multiply(){
-  sm_op_push4(sm_op_pop()*sm_op_pop());
-}
-
-void sm_op_divide(){
-  sm_op_push4(sm_op_pop()/sm_op_pop());
-}
diff --git a/src/main/engine/op/stack.c b/src/main/engine/op/stack.c
deleted file mode 100644
index cdd53238..00000000
--- a/src/main/engine/op/stack.c
+++ /dev/null
@@ -1,42 +0,0 @@
-// Read https://raw.githubusercontent.com/reginaldford/sms/main/LICENSE.txt for license information
-
-#include "../../sms.h"
-
-sm_bstack sms_bstack;
-
-void sm_op_push(uint8_t value){
-  sms_bstack.data[++sms_bstack.top]=value;
-}
-
-uint8_t sm_op_pop(){
-  uint8_t value = sms_bstack.data[sms_bstack.top--];
-  return value;
-}
-
-void sm_op_push2(uint16_t value){
-  sms_bstack.data[++sms_bstack.top]=value;
-}
-
-uint16_t sm_op_pop2(){
-  uint16_t value = sms_bstack.data[sms_bstack.top--];
-  return value;
-}
-
-void sm_op_push4(uint32_t value){
-  ((uint32_t*)sms_bstack.data)[++sms_bstack.top]=value;
-}
-
-uint32_t sm_op_pop4(){
-  uint32_t value = sms_bstack.data[sms_bstack.top--];
-  return value;
-}
-
-void sm_op_push8(uint64_t value){
-  ((uint64_t*)sms_bstack.data)[++sms_bstack.top]=value;
-}
-
-uint64_t sm_op_pop8(){
-  uint64_t value = sms_bstack.data[sms_bstack.top--];
-  return value;
-}
-