diff --git a/core/src/endocrine/run_tests.sh b/core/src/endocrine/run_tests.sh
deleted file mode 100755
index 29027ed..0000000
--- a/core/src/endocrine/run_tests.sh
+++ /dev/null
@@ -1,41 +0,0 @@
-#!/usr/bin/env bash
-# Run every endocrine / Drive-Box R test from the repository root so that the
-# repo-root-relative source() paths inside each test resolve correctly.
-set -uo pipefail
-
-# cd to repo root (this script lives at <root>/core/src/endocrine/run_tests.sh)
-cd "$(dirname "$0")/../../.." || exit 2
-
-if ! command -v Rscript >/dev/null 2>&1; then
-  echo "ERROR: Rscript not found. Install with: sudo apt-get install -y r-base-core" >&2
-  exit 2
-fi
-
-status=0
-shopt -s nullglob
-# Collect test files, excluding the harness itself (test_framework.R).
-tests=()
-for f in core/src/endocrine/test_*.R; do
-  [ "$(basename "$f")" = "test_framework.R" ] && continue
-  tests+=("$f")
-done
-
-if [ ${#tests[@]} -eq 0 ]; then
-  echo "No test_*.R files found under core/src/endocrine/." >&2
-  exit 2
-fi
-
-for t in "${tests[@]}"; do
-  echo "== $t =="
-  if ! Rscript "$t"; then
-    status=1
-  fi
-  echo
-done
-
-if [ $status -eq 0 ]; then
-  echo "ALL ENDOCRINE TESTS PASSED"
-else
-  echo "SOME ENDOCRINE TESTS FAILED"
-fi
-exit $status