diff --git a/bin/cp-into-docker-run b/bin/cp-into-docker-run
index c5a0d4e2..6d1aff02 100755
--- a/bin/cp-into-docker-run
+++ b/bin/cp-into-docker-run
@@ -29,7 +29,7 @@ redPrint() {
 }
 
 die() {
-  redPrint "Error: $*" 1>&2
+  redPrint "Error: $*" >&2
   exit 1
 }
 
@@ -242,7 +242,7 @@ trap cleanupWhenExit EXIT
 ########################################
 
 logAndRun() {
-  $verbose && printf '%s\n' "[$PROG] $*" 1>&2
+  $verbose && printf '%s\n' "[$PROG] $*" >&2
   "$@"
 }
 
diff --git a/bin/show-busy-java-threads b/bin/show-busy-java-threads
index 27f056ea..8097444c 100755
--- a/bin/show-busy-java-threads
+++ b/bin/show-busy-java-threads
@@ -101,7 +101,7 @@ blueOutput() {
 }
 
 die() {
-  redOutput "Error: $*" 1>&2
+  redOutput "Error: $*" >&2
   exit 1
 }
 
diff --git a/bin/uq b/bin/uq
index d05d62b2..fb181613 100755
--- a/bin/uq
+++ b/bin/uq
@@ -9,7 +9,7 @@
 #
 # @online-doc https://github.com/oldratlee/useful-scripts/blob/dev-2.x/docs/shell.md#-uq
 # @author Zava Xu (zava.kid at gmail dot com)
-# @author Jerry Lee (oldratlee at gmail dot com)# NOTE about Bash Traps and Pitfalls:
+# @author Jerry Lee (oldratlee at gmail dot com)
 #
 # NOTE about Bash Traps and Pitfalls:
 #
@@ -60,7 +60,7 @@ yellowPrint() {
 }
 
 die() {
-  redPrint "Error: $*" 1>&2
+  redPrint "Error: $*" >&2
   exit 1
 }
 
diff --git a/legacy-bin/cp-svn-url b/legacy-bin/cp-svn-url
index 970147b5..0866c4ed 100755
--- a/legacy-bin/cp-svn-url
+++ b/legacy-bin/cp-svn-url
@@ -78,7 +78,7 @@ readonly dir="${1:-.}"
 # NOTE: DO NOT declare var url as readonly in ONE line!
 url="$(svn info "${dir}" | awk '/^URL: /{print $2}')"
 if [ -z "${url}" ]; then
-  echo "Fail to get svn url!" 1>&2
+  echo "Fail to get svn url!" >&2
   exit 1
 fi
 
diff --git a/test-cases/bump-scripts-version.sh b/test-cases/bump-scripts-version.sh
index 118d1f1f..32ab7568 100755
--- a/test-cases/bump-scripts-version.sh
+++ b/test-cases/bump-scripts-version.sh
@@ -49,7 +49,7 @@ logAndRun() {
 }
 
 die() {
-  redPrint "Error: $*" 1>&2
+  redPrint "Error: $*" >&2
   exit 1
 }
 
diff --git a/test-cases/my_unit_test_lib.sh b/test-cases/my_unit_test_lib.sh
index fe0c6c78..907c1e20 100644
--- a/test-cases/my_unit_test_lib.sh
+++ b/test-cases/my_unit_test_lib.sh
@@ -40,7 +40,7 @@ fail() {
 }
 
 die() {
-  redEcho "Error: $*" 1>&2
+  redEcho "Error: $*" >&2
   exit 1
 }