diff --git a/dict/codespell/codegen/src/main.rs b/dict/codespell/codegen/src/main.rs
index 0f7fed3..2f5a2fa 100644
--- a/dict/codespell/codegen/src/main.rs
+++ b/dict/codespell/codegen/src/main.rs
@@ -9,7 +9,7 @@ fn parse_dict(raw: &str) -> impl Iterator<Item = (&str, Vec<&str>)> {
         let corrections = parts
             .next()
             .unwrap()
-            .split(",")
+            .split(',')
             .filter_map(|c| {
                 let c = c.trim();
                 if c.is_empty() {
@@ -49,7 +49,6 @@ fn generate<W: std::io::Write>(file: &mut W) {
     let codegenned = builder.build();
     writeln!(file, "{}", codegenned).unwrap();
     writeln!(file, ";").unwrap();
-    writeln!(file, "").unwrap();
 }
 
 #[derive(Debug, StructOpt)]
diff --git a/dict/misspell/codegen/src/main.rs b/dict/misspell/codegen/src/main.rs
index 6c3807c..20a6788 100644
--- a/dict/misspell/codegen/src/main.rs
+++ b/dict/misspell/codegen/src/main.rs
@@ -31,7 +31,7 @@ fn parse_dict(
             current = &mut american;
         } else if line.contains("DictBritish") {
             current = &mut british;
-        } else if line.contains("}") {
+        } else if line.contains('}') {
             current = &mut bad;
         } else {
             let captures = mapping.captures(line);
@@ -78,7 +78,7 @@ fn generate<W: std::io::Write>(file: &mut W) {
     let codegenned = builder.build();
     writeln!(file, "{}", codegenned).unwrap();
     writeln!(file, ";").unwrap();
-    writeln!(file, "").unwrap();
+    writeln!(file).unwrap();
 
     writeln!(
         file,
@@ -94,7 +94,7 @@ fn generate<W: std::io::Write>(file: &mut W) {
     let codegenned = builder.build();
     writeln!(file, "{}", codegenned).unwrap();
     writeln!(file, ";").unwrap();
-    writeln!(file, "").unwrap();
+    writeln!(file).unwrap();
 
     writeln!(
         file,
@@ -110,7 +110,6 @@ fn generate<W: std::io::Write>(file: &mut W) {
     let codegenned = builder.build();
     writeln!(file, "{}", codegenned).unwrap();
     writeln!(file, ";").unwrap();
-    writeln!(file, "").unwrap();
 }
 
 #[derive(Debug, StructOpt)]
diff --git a/dict/wikipedia/codegen/src/main.rs b/dict/wikipedia/codegen/src/main.rs
index 0f7fed3..2f5a2fa 100644
--- a/dict/wikipedia/codegen/src/main.rs
+++ b/dict/wikipedia/codegen/src/main.rs
@@ -9,7 +9,7 @@ fn parse_dict(raw: &str) -> impl Iterator<Item = (&str, Vec<&str>)> {
         let corrections = parts
             .next()
             .unwrap()
-            .split(",")
+            .split(',')
             .filter_map(|c| {
                 let c = c.trim();
                 if c.is_empty() {
@@ -49,7 +49,6 @@ fn generate<W: std::io::Write>(file: &mut W) {
     let codegenned = builder.build();
     writeln!(file, "{}", codegenned).unwrap();
     writeln!(file, ";").unwrap();
-    writeln!(file, "").unwrap();
 }
 
 #[derive(Debug, StructOpt)]