diff --git a/ptx/src/pass/instruction_mode_to_global_mode/mod.rs b/ptx/src/pass/instruction_mode_to_global_mode/mod.rs
index 5192e88..86ea659 100644
--- a/ptx/src/pass/instruction_mode_to_global_mode/mod.rs
+++ b/ptx/src/pass/instruction_mode_to_global_mode/mod.rs
@@ -1963,7 +1963,7 @@ fn get_modes<T: ast::Operand>(inst: &ast::Instruction<T>) -> InstructionModes {
         ast::Instruction::Rcp { data, .. } | ast::Instruction::Sqrt { data, .. } => {
             InstructionModes::from_rtz_special(*data)
         }
-        | ast::Instruction::Rsqrt { data, .. }
+        ast::Instruction::Rsqrt { data, .. }
         | ast::Instruction::Ex2 { data, .. } => {
             let data = ast::RcpData {
                 type_: data.type_,
@@ -1972,7 +1972,7 @@ fn get_modes<T: ast::Operand>(inst: &ast::Instruction<T>) -> InstructionModes {
             };
             InstructionModes::from_rtz_special(data)
         },
-        | ast::Instruction::Lg2 { data, .. } => {
+        ast::Instruction::Lg2 { data, .. } => {
             let data = ast::RcpData {
                 type_: ast::ScalarType::F32,
                 flush_to_zero: Some(data.flush_to_zero),
diff --git a/ptx/src/pass/llvm/emit.rs b/ptx/src/pass/llvm/emit.rs
index 58776cd..bd0160a 100644
--- a/ptx/src/pass/llvm/emit.rs
+++ b/ptx/src/pass/llvm/emit.rs
@@ -27,7 +27,6 @@
 use std::array::TryFromSliceError;
 use std::convert::TryInto;
 use std::ffi::{CStr, NulError};
-use std::ops::Deref;
 use std::{i8, ptr, u64};
 
 use super::*;
@@ -2673,7 +2672,7 @@ impl<'a> MethodEmitContext<'a> {
         Ok(())
     }
 
-    // TOOD: revisit this on gfx1250 which has native tanh support
+    // TODO: revisit this on gfx1250 which has native tanh support
     fn emit_tanh(
         &mut self,
         data: ast::ScalarType,