diff --git a/cranelift/test-all.sh b/cranelift/test-all.sh
index 96e81f1864..2f25e26f33 100755
--- a/cranelift/test-all.sh
+++ b/cranelift/test-all.sh
@@ -18,7 +18,7 @@ export PYTHONDONTWRITEBYTECODE=1
 cd $(dirname "$0")
 topdir=$(pwd)
 
-function banner() {
+function banner {
     echo "======  $@  ======"
 }
 
diff --git a/cranelift/test-no_std.sh b/cranelift/test-no_std.sh
index 8c4d6ecfc1..8ca93f5d04 100755
--- a/cranelift/test-no_std.sh
+++ b/cranelift/test-no_std.sh
@@ -8,15 +8,14 @@ set -euo pipefail
 cd $(dirname "$0")
 topdir=$(pwd)
 
-function banner() {
+function banner {
     echo "======  $@  ======"
 }
 
 # Test those packages which have no_std support.
 LIBS="codegen frontend wasm native module simplejit umbrella"
 cd "$topdir"
-for LIB in $LIBS
-do
+for LIB in $LIBS; do
     banner "Rust unit tests in $LIB"
     cd "lib/$LIB"
 
diff --git a/lib/codegen/meta/check.sh b/lib/codegen/meta/check.sh
index fa86bf0804..d8f2178f43 100755
--- a/lib/codegen/meta/check.sh
+++ b/lib/codegen/meta/check.sh
@@ -2,7 +2,7 @@
 set -euo pipefail
 cd $(dirname "$0")
 
-function runif() {
+function runif {
     if command -v "$1" > /dev/null; then
         echo "   === $1 ==="
         "$@"