diff --git a/src/archs/amd64/amd64.rs b/src/archs/amd64/amd64.rs
index 8106a33..1ca6c80 100644
--- a/src/archs/amd64/amd64.rs
+++ b/src/archs/amd64/amd64.rs
@@ -235,15 +235,6 @@ impl Architecture for Amd64 {
         ));
     }
 
-    fn not(&mut self, dest: &Destination, dest2: &Destination) {
-        self.buf.push_str(&formatdoc!(
-            "
-            \tcmp {dest}, 0
-            \tsete {dest2}
-            ",
-        ));
-    }
-
     fn add(
         &mut self,
         lhs: &Source,
diff --git a/src/archs/arch.rs b/src/archs/arch.rs
index 0fe6139..353d4dc 100644
--- a/src/archs/arch.rs
+++ b/src/archs/arch.rs
@@ -59,7 +59,6 @@ pub trait Architecture: ArchitectureClone {
     fn declare(&mut self, name: &str, size: usize);
     fn mov(&mut self, src: &Source, dest: &Destination, signed: bool) -> Result<(), ArchError>;
     fn negate(&mut self, dest: &Destination);
-    fn not(&mut self, dest: &Destination, dest2: &Destination);
     fn add(
         &mut self,
         lhs: &Source,
diff --git a/src/codegen/codegen.rs b/src/codegen/codegen.rs
index e30d90f..11b518c 100644
--- a/src/codegen/codegen.rs
+++ b/src/codegen/codegen.rs
@@ -747,8 +747,11 @@ impl CodeGen {
                     Some(&r.dest(self.arch.size(&type_, &self.scope))),
                     state,
                 )?;
-                self.arch
-                    .not(&r.dest(self.arch.size(&type_, &self.scope)), dest);
+                self.arch.cmp(
+                    &r.dest(self.arch.size(&type_, &self.scope)),
+                    &Source::Immediate(Immediate::UInt(0)),
+                );
+                self.arch.setcc(dest, CmpOp::Equal);
                 self.arch.free(r)?;
             }
             UnOp::Address => {