diff --git a/src/uu/dd/src/parseargs.rs b/src/uu/dd/src/parseargs.rs
index b9a3baf09..9057b623e 100644
--- a/src/uu/dd/src/parseargs.rs
+++ b/src/uu/dd/src/parseargs.rs
@@ -295,7 +295,7 @@ impl Parser {
 
     #[allow(clippy::cognitive_complexity)]
     fn parse_input_flags(&mut self, val: &str) -> Result<(), ParseError> {
-        let mut i = &mut self.iflag;
+        let i = &mut self.iflag;
         for f in val.split(',') {
             match f {
                 // Common flags
@@ -327,7 +327,7 @@ impl Parser {
 
     #[allow(clippy::cognitive_complexity)]
     fn parse_output_flags(&mut self, val: &str) -> Result<(), ParseError> {
-        let mut o = &mut self.oflag;
+        let o = &mut self.oflag;
         for f in val.split(',') {
             match f {
                 // Common flags
@@ -357,7 +357,7 @@ impl Parser {
     }
 
     fn parse_conv_flags(&mut self, val: &str) -> Result<(), ParseError> {
-        let mut c = &mut self.conv;
+        let c = &mut self.conv;
         for f in val.split(',') {
             match f {
                 // Conversion