diff --git a/.eslintrc.cjs b/.eslintrc.cjs
index 2a45476fbf7..1e611f4563d 100644
--- a/.eslintrc.cjs
+++ b/.eslintrc.cjs
@@ -121,6 +121,17 @@ module.exports = {
         '@jessie.js/safe-await-separator': 'off',
       },
     },
+    {
+      // These tests use EV() instead of E(), which are easy to confuse.
+      // Help by erroring when E() packages are imported.
+      files: ['packages/boot/test/**/test-*'],
+      rules: {
+        'no-restricted-imports': [
+          'error',
+          { paths: ['@endo/eventual-send', '@endo/far'] },
+        ],
+      },
+    },
     {
       // Allow "loan" contracts to mention the word "loan".
       files: ['packages/zoe/src/contracts/loan/*.js'],