diff --git a/cranelift/src/cat.rs b/cranelift/src/cat.rs
index e8519b10d9..36ae818e2c 100644
--- a/cranelift/src/cat.rs
+++ b/cranelift/src/cat.rs
@@ -13,7 +13,7 @@ use filetest::subtest::{self, SubTest, Context, Result as STResult};
 pub fn run(files: Vec<String>) -> CommandResult {
     for (i, f) in files.into_iter().enumerate() {
         if i != 0 {
-            println!("");
+            println!();
         }
         cat_one(f)?
     }
@@ -30,7 +30,7 @@ fn cat_one(filename: String) -> CommandResult {
 
     for (idx, func) in items.into_iter().enumerate() {
         if idx != 0 {
-            println!("");
+            println!();
         }
         print!("{}", func);
     }
diff --git a/cranelift/src/print_cfg.rs b/cranelift/src/print_cfg.rs
index f3b958be77..df624993ad 100644
--- a/cranelift/src/print_cfg.rs
+++ b/cranelift/src/print_cfg.rs
@@ -17,7 +17,7 @@ use utils::read_to_string;
 pub fn run(files: Vec<String>) -> CommandResult {
     for (i, f) in files.into_iter().enumerate() {
         if i != 0 {
-            println!("");
+            println!();
         }
         print_cfg(f)?
     }
@@ -100,7 +100,7 @@ fn print_cfg(filename: String) -> CommandResult {
 
     for (idx, func) in items.into_iter().enumerate() {
         if idx != 0 {
-            println!("");
+            println!();
         }
         print!("{}", CFGPrinter::new(&func));
     }