diff --git a/backup-codimd-docs.sh b/backup-codimd-docs.sh
index 372bea02fd60e6f01224033ba8b301875baebd16..7ab3e2b5ee29a6b716da30d92f23422f8b6adad3 100644
--- a/backup-codimd-docs.sh
+++ b/backup-codimd-docs.sh
@@ -1,4 +1,4 @@
 #! /bin/bash
-curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/backup-hedgedoc-docs.sh
+curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/backup-hedgedoc-docs.sh
 . ./backup-hedgedoc-docs.sh
 
diff --git a/build-and-benchmark-py-project.sh b/build-and-benchmark-py-project.sh
index 135e8730b143572e8d58734508f19772ce6aae60..30a25ce70c8a51ffdfd8ef1010650dd1fcec99a5 100644
--- a/build-and-benchmark-py-project.sh
+++ b/build-and-benchmark-py-project.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 
-curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
+curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
 source ci-support.sh
 
 build_py_project_in_conda_env
diff --git a/build-and-test-py-project-within-miniconda.sh b/build-and-test-py-project-within-miniconda.sh
index 758a93fdd80fcb9108b846cb7993a08a3643809b..d26b653f2442add2a415f44be84ef0c4f39f0f1e 100644
--- a/build-and-test-py-project-within-miniconda.sh
+++ b/build-and-test-py-project-within-miniconda.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 
-curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
+curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
 source ci-support.sh
 
 build_py_project_in_conda_env
diff --git a/build-and-test-py-project.sh b/build-and-test-py-project.sh
index 512aa2c2763605b239e38d26b9b1ebfb16f300e2..e8c53422b93003d8aff47e62662c01b8a35d51ce 100644
--- a/build-and-test-py-project.sh
+++ b/build-and-test-py-project.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 
-curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
+curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
 source ci-support.sh
 
 build_py_project_in_venv
diff --git a/build-docs.sh b/build-docs.sh
index 86876103c6b3384d5ed1ac5048bd794cdea89111..592e30b8b5575eec782ffec71989ccb377f12b83 100644
--- a/build-docs.sh
+++ b/build-docs.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 
-curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
+curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
 source ci-support.sh
 
 build_py_project_in_venv
diff --git a/build-py-project-and-run-examples.sh b/build-py-project-and-run-examples.sh
index b27da0fe1783dfb1daa3b338f3ad439960acdbf3..dadca3de9b96515b362c85203b333637b3738fca 100644
--- a/build-py-project-and-run-examples.sh
+++ b/build-py-project-and-run-examples.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 
-curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
+curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
 source ci-support.sh
 
 build_py_project
diff --git a/build-py-project-within-miniconda.sh b/build-py-project-within-miniconda.sh
index b2ccb766b99f19ad82c293a0f6724188528a2c9f..28a752ac147e473f60b95cc913617138e9434d40 100644
--- a/build-py-project-within-miniconda.sh
+++ b/build-py-project-within-miniconda.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 
-curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
+curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
 source ci-support.sh
 
 build_py_project_in_conda_env
diff --git a/build-py-project.sh b/build-py-project.sh
index 154e153b8c227cc9010da09b3eb5e96f2ebe1683..f83b4a2962ffe35d2b79474d2c6346d799733509 100644
--- a/build-py-project.sh
+++ b/build-py-project.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 
-curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
+curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
 source ci-support.sh
 
 build_py_project_in_venv
diff --git a/ci-support.sh b/ci-support.sh
index ceff2bf7ed32121266f446e07569eea117c4ace2..8759fac0e4730aaec1217f47d2c3e01b35caa306 100644
--- a/ci-support.sh
+++ b/ci-support.sh
@@ -509,7 +509,7 @@ install_and_run_flake8()
 
 run_pylint()
 {
-  curl -L -O -k "${ci_support}/run-pylint.py"
+  curl -L -O "${ci_support}/run-pylint.py"
 
   if ! test -f .pylintrc.yml; then
     curl -o .pylintrc.yml "${ci_support}/.pylintrc-default.yml"
diff --git a/prepare-and-run-flake8.sh b/prepare-and-run-flake8.sh
index ea6f519ba8ffa744055b2c25e4b3fd80298f8190..d0ad615098c052a0c86e2e52f027c00eea3ab9af 100644
--- a/prepare-and-run-flake8.sh
+++ b/prepare-and-run-flake8.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 
-curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
+curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
 source ci-support.sh
 
 print_status_message
diff --git a/prepare-and-run-pylint.sh b/prepare-and-run-pylint.sh
index 2250e7bd62d87337d7d857af29d1ed62fbd4777f..acb215861f77fba03aa6850806c7379d30ff2ada 100644
--- a/prepare-and-run-pylint.sh
+++ b/prepare-and-run-pylint.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
+curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
 source ci-support.sh
 
 build_py_project
diff --git a/run-examples.sh b/run-examples.sh
index 6fb7f9995ec922d6bd9cc38bbc1a9d2eb997a250..9805cfd292c6a81900bda677a2bbd428aab3befc 100755
--- a/run-examples.sh
+++ b/run-examples.sh
@@ -1,6 +1,6 @@
 #! /bin/bash
 
-curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
+curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
 source ci-support.sh
 
 run_examples