diff --git a/base.json b/base.json
index 0795c43..6144a70 100644
--- a/base.json
+++ b/base.json
@@ -239,8 +239,7 @@
       "error",
       {
         "enforceInMethodNames": true,
-        "enforceInClassFields": true,
-        "allowFunctionParams": false
+        "enforceInClassFields": true
       }
     ],
     "no-unneeded-ternary": ["error", { "defaultAssignment": false }],
diff --git a/ts-for-js.json b/ts-for-js.json
index d8d7577..677a40c 100644
--- a/ts-for-js.json
+++ b/ts-for-js.json
@@ -64,8 +64,8 @@
         "format": ["strictCamelCase", "UPPER_CASE"]
       },
       {
-        "selector": "function",
-        "format": ["strictCamelCase", "StrictPascalCase"]
+        "selector": ["variableLike"],
+        "format": ["strictCamelCase"]
       },
       {
         "selector": ["typeLike"],
@@ -75,6 +75,10 @@
         "selector": ["enumMember"],
         "format": ["UPPER_CASE"]
       },
+      {
+        "selector": ["parameter"],
+        "leadingUnderscore": "allow"
+      },
       {
         "selector": ["variable", "parameter", "accessor"],
         "types": ["boolean"],