diff --git a/src/vm/mod.rs b/src/vm/mod.rs
index 1e7fc9d..98aa7bd 100644
--- a/src/vm/mod.rs
+++ b/src/vm/mod.rs
@@ -473,9 +473,6 @@ pub fn run_byte_code(state: &mut DvmState, context: &DvmContext, byte_code: &[u8
             INVOKE_DYNAMIC => {
                 unimplemented!("INVOKE_DYNAMIC is not yet supported and may never be.")
             }
-            MOV_SIZE_OF => {
-                todo!()
-            }
             MULTIPLY => {
                 todo!()
             }
diff --git a/src/vm/op_codes.rs b/src/vm/op_codes.rs
index 053ef2a..8374346 100644
--- a/src/vm/op_codes.rs
+++ b/src/vm/op_codes.rs
@@ -26,17 +26,6 @@ pub const ALLOC: u8 = 0x05;
 /// 1: register
 pub const DEALLOC: u8 = 0x06;
 
-/// ## mov_int_to(register: u8, offset: u32, operand: u32)
-/// 0: opcode
-/// 1: register
-/// 2..5: offset
-/// 6..9: operand
-pub const MOV_INT_TO: u8 = 0x07;
-
-pub const MOV_LONG_TO: u8 = 0x08;
-pub const MOV_DOUBLE_TO: u8 = 0x09;
-pub const MOV_REGISTER_TO: u8 = 0x0a;
-
 pub const MOV_CONST: u8 = 0x0b;
 
 pub const ALLOC_RAW: u8 = 0x0d;
@@ -47,8 +36,6 @@ pub const INVOKE_FN: u8 = 0x11;
 pub const INVOKE_VIRTUAL: u8 = 0x12;
 pub const INVOKE_DYNAMIC: u8 = 0x14;
 
-pub const MOV_SIZE_OF: u8 = 0x30;
-
 pub const MULTIPLY: u8 = 0x40;
 
 pub const LOAD: u8 = 0x50;
@@ -97,25 +84,6 @@ pub fn add_dealloc(code: &mut Vec<u8>, register: u8) {
     code.push(register);
 }
 
-pub fn add_mov_int_to(code: &mut Vec<u8>, register: u8, offset: u32, operand: u32) {
-    code.push(MOV_INT_TO);
-    code.push(register);
-    push_number!(code, offset);
-    push_number!(code, operand);
-}
-
-pub fn add_mov_register_to(
-    code: &mut Vec<u8>,
-    target_register: u8,
-    offset: u32,
-    source_register: u8,
-) {
-    code.push(MOV_REGISTER_TO);
-    code.push(target_register);
-    push_number!(code, offset);
-    code.push(source_register);
-}
-
 pub fn add_load(
     code: &mut Vec<u8>,
     target_register: u8,
@@ -182,12 +150,6 @@ pub fn add_invoke_fn(code: &mut Vec<u8>, fn_name: &str, return_register: u8, arg
     }
 }
 
-pub fn add_mov_size_of(code: &mut Vec<u8>, target_register: u8, source_register: u8) {
-    code.push(MOV_SIZE_OF);
-    code.push(target_register);
-    code.push(source_register);
-}
-
 pub fn add_multiply(
     code: &mut Vec<u8>,
     target_register: u8,