diff --git a/action.yml b/action.yml
index a612894..26f0445 100644
--- a/action.yml
+++ b/action.yml
@@ -16,9 +16,6 @@ inputs:
     description: The charts directory
     required: false
     default: charts
-  charts_repo_url:
-    description: "The GitHub Pages URL to the charts repo (default: https://<owner>.github.io/<repo>)"
-    required: false
   install_dir:
     description: 'Where to install the cr tool'
     required: false
@@ -44,10 +41,6 @@ runs:
             args+=(--config "${{ inputs.config }}")
         fi
 
-        if [[ -n "${{ inputs.charts_repo_url }}" ]]; then
-            args+=(--charts-repo-url "${{ inputs.charts_repo_url }}")
-        fi
-
         if [[ -z "${{ inputs.install_dir }}" ]]; then
           install="$RUNNER_TOOL_CACHE/cr/${{ inputs.version }}/$(uname -m)"
           echo "$install" >> "$GITHUB_PATH"
diff --git a/cr.sh b/cr.sh
index a8830d6..10d596c 100755
--- a/cr.sh
+++ b/cr.sh
@@ -28,7 +28,6 @@ Usage: $(basename "$0") <options>
     -v, --version            The chart-releaser version to use (default: $DEFAULT_CHART_RELEASER_VERSION)"
         --config             The path to the chart-releaser config file
     -d, --charts-dir         The charts directory (default: charts)
-    -u, --charts-repo-url    The GitHub Pages URL to the charts repo (default: https://<owner>.github.io/<repo>)
     -o, --owner              The repo owner
     -r, --repo               The repo name
     -n, --install-dir        The Path to install the cr tool
@@ -42,7 +41,6 @@ main() {
     local charts_dir=charts
     local owner=
     local repo=
-    local charts_repo_url=
     local install_dir=
     local install_only=
 
@@ -125,16 +123,6 @@ parse_command_line() {
                     exit 1
                 fi
                 ;;
-            -u|--charts-repo-url)
-                if [[ -n "${2:-}" ]]; then
-                    charts_repo_url="$2"
-                    shift
-                else
-                    echo "ERROR: '-u|--charts-repo-url' cannot be empty." >&2
-                    show_help
-                    exit 1
-                fi
-                ;;
             -o|--owner)
                 if [[ -n "${2:-}" ]]; then
                     owner="$2"
@@ -187,10 +175,6 @@ parse_command_line() {
         exit 1
     fi
 
-    if [[ -z "$charts_repo_url" ]]; then
-        charts_repo_url="https://$owner.github.io/$repo"
-    fi
-
     if [[ -z "$install_dir" ]]; then
         local arch
         arch=$(uname -m)
@@ -278,7 +262,7 @@ release_charts() {
 }
 
 update_index() {
-    local args=(-o "$owner" -r "$repo" -c "$charts_repo_url" --push)
+    local args=(-o "$owner" -r "$repo" --push)
     if [[ -n "$config" ]]; then
         args+=(--config "$config")
     fi