diff --git a/scripts/make/install_pre_commit_hooks.sh b/scripts/make/install_pre_commit_hooks.sh
index a9ca8df0..34fb7648 100755
--- a/scripts/make/install_pre_commit_hooks.sh
+++ b/scripts/make/install_pre_commit_hooks.sh
@@ -7,19 +7,12 @@
 
 set -euo pipefail
 
-# Install pre-commit hooks and their non-uv-managed dependencies.
+# Install pre-commit hooks.
 # Idempotent — safe to call from setup_env.sh, make check, or manually.
 #
 # Requires: an activated venv with pre-commit installed (via uv sync).
 
-SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-REPO_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
-
-# Project root (the outermost pyproject.toml ancestor) must be passed as $1.
-# setup_env.sh computes it via its repo_root() helper. The internal layout has
-# a nested external/pyproject.toml so $REPO_ROOT (above) isn't sufficient on its
-# own, and the OSS export tree (.oss-export/coreai-opt/) is itself a project
-# root that must NOT install hooks into the parent worktree's .git.
+# Project root (outermost pyproject.toml ancestor), computed by setup_env.sh's repo_root().
 PROJECT_ROOT="${1:-}"
 if [[ -z "$PROJECT_ROOT" ]]; then
     echo "Usage: $0 <project-root>" >&2
@@ -35,30 +28,6 @@ if [[ ! -e "$PROJECT_ROOT/.git" ]]; then
     exit 0
 fi
 
-# shellcheck source=../utils.sh
-source "$REPO_ROOT/scripts/utils.sh"
-# shellcheck source=../run_quietly.sh
-source "$REPO_ROOT/scripts/run_quietly.sh"
-
-# Install lychee link checker.
-# Prefer the OS package manager (brew on macOS, dnf/apt on Linux).
-# Fall back to cargo build for distros that don't package lychee (e.g., RHEL).
-echo "Installing non-uv-managed pre-commit hook dependencies..."
-if ! run_quietly ensure_package "lychee"; then
-    echo "Package manager install failed. Falling back to cargo install..."
-    if run_quietly ensure_package "cargo" && run_quietly cargo install lychee --locked; then
-        # cargo install puts binaries in ~/.cargo/bin, which may not be on PATH.
-        export PATH="$HOME/.cargo/bin:$PATH"
-        echo "lychee installed via cargo: $(lychee --version 2>&1 | head -n1)"
-    fi
-fi
-
-if ! command -v lychee &>/dev/null; then
-    echo "Error: Could not install lychee via package manager or cargo."
-    echo "  Install lychee manually: https://lychee.cli.rs/"
-    exit 1
-fi
-
 # Configure git hooks. Force-install so the shebang points to the current venv.
 if [[ "${INSTALL_PRECOMMIT:-true}" == "false" ]]; then
     echo "Skipping git hook configuration (INSTALL_PRECOMMIT=$INSTALL_PRECOMMIT)"
diff --git a/scripts/make/setup_env.sh b/scripts/make/setup_env.sh
index c7c157fb..fda4dec4 100755
--- a/scripts/make/setup_env.sh
+++ b/scripts/make/setup_env.sh
@@ -394,7 +394,7 @@ echo "Running: ${SYNC_CMD[*]}"
 apply_post_install_pip_args
 
 echo ""
-echo "[3/3] Installing hook dependencies and configuring pre-commit hooks..."
+echo "[3/3] Configuring pre-commit hooks..."
 if [[ "$VENV_PREEXISTED" == "true" ]]; then
     echo "Skipped (venv already exists, hooks already configured)"
 else