diff --git a/.github/workflows/pr-test.yml b/.github/workflows/pr-test.yml
index 6c2feef7a..cdaa5d6a9 100644
--- a/.github/workflows/pr-test.yml
+++ b/.github/workflows/pr-test.yml
@@ -95,10 +95,6 @@ jobs:
         with:
           github-token: ${{ github.token }}
 
-      - name: Show test partition assignments
-        continue-on-error: true
-        run: python3 test/show_partitions.py
-
       - name: Determine run mode
         id: run-mode
         run: |
diff --git a/test/show_partitions.py b/test/show_partitions.py
deleted file mode 100755
index cb77791da..000000000
--- a/test/show_partitions.py
+++ /dev/null
@@ -1,145 +0,0 @@
-#!/usr/bin/env python3
-"""Print test partition assignments for all CI stages.
-
-Parses stage configs (hw, suite, partition_size) directly from pr-test.yml
-so they never go out of sync. Uses the same deterministic LPT algorithm as
-run_suite.py to show which test files land in which partition.
-
-Runs on ubuntu-latest without third-party deps (stdlib + ci_register).
-"""
-
-import glob
-import importlib.util
-import os
-import re
-
-# Import ci_register directly by file path to avoid pulling in the full
-# sglang package (which has heavy deps like numpy, torch, etc.).
-_ci_register_path = os.path.join(
-    os.path.dirname(__file__), "..", "python", "sglang", "test", "ci", "ci_register.py"
-)
-_spec = importlib.util.spec_from_file_location("ci_register", _ci_register_path)
-_ci_register = importlib.util.module_from_spec(_spec)
-_spec.loader.exec_module(_ci_register)
-
-HWBackend = _ci_register.HWBackend
-auto_partition = _ci_register.auto_partition
-collect_tests = _ci_register.collect_tests
-
-HW_MAPPING = {
-    "cpu": HWBackend.CPU,
-    "cuda": HWBackend.CUDA,
-    "amd": HWBackend.AMD,
-    "npu": HWBackend.NPU,
-}
-
-# Regex to detect run_suite.py invocations from pr-test.yml.
-# Uses lookaheads so --hw and --suite can appear in any order.
-_RUN_SUITE_RE = re.compile(
-    r"^\s*(?:\w+=\S+\s+)?"  # optional env prefix (e.g. VAR=value)
-    r"python3\s+run_suite\.py\b"
-    r"(?=.*\s--hw\s+(?P<hw>\S+))"
-    r"(?=.*\s--suite\s+(?P<suite>\S+))"
-)
-_PARTITION_SIZE_RE = re.compile(r"--auto-partition-size\s+(\d+)")
-
-
-def parse_stage_configs(workflow_path):
-    """Parse (hw, suite, partition_count) tuples from pr-test.yml."""
-    configs = []
-    seen = set()
-    with open(workflow_path) as f:
-        for line in f:
-            # Skip commented-out lines
-            stripped = line.lstrip()
-            if stripped.startswith("#"):
-                continue
-            m = _RUN_SUITE_RE.search(line)
-            if not m:
-                continue
-            hw = m.group("hw")
-            suite = m.group("suite")
-            size_match = _PARTITION_SIZE_RE.search(line)
-            size = int(size_match.group(1)) if size_match else 1
-            key = (hw, suite)
-            if key not in seen:
-                seen.add(key)
-                configs.append((hw, suite, size))
-    return configs
-
-
-def main():
-    repo_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-    test_dir = os.path.join(repo_root, "test")
-    workflow_path = os.path.join(repo_root, ".github", "workflows", "pr-test.yml")
-
-    os.chdir(test_dir)
-
-    stage_configs = parse_stage_configs(workflow_path)
-
-    files = [
-        f
-        for f in glob.glob("registered/**/*.py", recursive=True)
-        if not f.endswith("/conftest.py") and not f.endswith("/__init__.py")
-    ]
-    all_tests = collect_tests(files, sanity_check=True)
-
-    summary_file = os.environ.get("GITHUB_STEP_SUMMARY")
-    md_lines = []
-
-    def out(line=""):
-        print(line)
-        md_lines.append(line)
-
-    out("## Test Partition Assignments")
-    out()
-
-    for hw_str, suite, partition_count in stage_configs:
-        hw = HW_MAPPING.get(hw_str)
-        if hw is None:
-            continue
-
-        suite_tests = [
-            t
-            for t in all_tests
-            if t.backend == hw and t.suite == suite and not t.nightly
-        ]
-        enabled = [t for t in suite_tests if t.disabled is None]
-        disabled = [t for t in suite_tests if t.disabled is not None]
-
-        total_time = sum(t.est_time for t in enabled)
-        out(
-            f"### {suite} (hw={hw_str}, {partition_count} partitions, "
-            f"{len(enabled)} enabled, {len(disabled)} disabled, est {total_time:.0f}s total)"
-        )
-        out()
-
-        if disabled:
-            out(f"**Disabled ({len(disabled)}):**")
-            for t in disabled:
-                out(f"- ~~{t.filename}~~ (reason: {t.disabled})")
-            out()
-
-        if not enabled:
-            out("_(no enabled tests)_")
-            out()
-            continue
-
-        out("| Partition | Tests | Est Time | Files |")
-        out("|-----------|-------|----------|-------|")
-        for rank in range(partition_count):
-            part_tests = auto_partition(enabled, rank, partition_count)
-            part_time = sum(t.est_time for t in part_tests)
-            file_list = ", ".join(
-                f"`{t.filename}` ({t.est_time:.0f}s)" for t in part_tests
-            )
-            out(f"| {rank} | {len(part_tests)} | {part_time:.0f}s | {file_list} |")
-        out()
-
-    if summary_file:
-        with open(summary_file, "a") as f:
-            f.write("\n".join(md_lines) + "\n")
-
-
-if __name__ == "__main__":
-    main()