diff --git a/scripts/coder-dev.sh b/scripts/coder-dev.sh
index 51c198166942b..77f88caa684aa 100755
--- a/scripts/coder-dev.sh
+++ b/scripts/coder-dev.sh
@@ -8,6 +8,11 @@ SCRIPT_DIR=$(dirname "${BASH_SOURCE[0]}")
 # shellcheck disable=SC1091,SC1090
 source "${SCRIPT_DIR}/lib.sh"
 
+# Ensure that extant environment variables do not override
+# the config dir we use to override auth for dev.coder.com.
+unset CODER_SESSION_TOKEN
+unset CODER_URL
+
 GOOS="$(go env GOOS)"
 GOARCH="$(go env GOARCH)"
 CODER_AGENT_URL="${CODER_AGENT_URL:-}"
diff --git a/scripts/develop.sh b/scripts/develop.sh
index 23efe67576813..8df69bfc111d9 100755
--- a/scripts/develop.sh
+++ b/scripts/develop.sh
@@ -21,6 +21,11 @@ password="${CODER_DEV_ADMIN_PASSWORD:-${DEFAULT_PASSWORD}}"
 use_proxy=0
 multi_org=0
 
+# Ensure that extant environment variables do not override
+# the config dir we use to override auth for dev.coder.com.
+unset CODER_SESSION_TOKEN
+unset CODER_URL
+
 args="$(getopt -o "" -l access-url:,use-proxy,agpl,debug,password:,multi-organization -- "$@")"
 eval set -- "$args"
 while true; do