diff --git a/services/directory/data/Syntax.json b/services/directory/data/Syntax.json
index 6652bf247..5700f50f1 100644
--- a/services/directory/data/Syntax.json
+++ b/services/directory/data/Syntax.json
@@ -138,19 +138,10 @@
     "id": 32,
     "name": "IPs (IPv4; some CIDR)"
   },
-  {
-    "id": 33,
-    "name": "IPs (IPv4 + IPv6; no CIDR)"
-  },
   {
     "id": 34,
     "name": "IPs (IPv4; CIDR only)"
   },
-  {
-    "id": 35,
-    "name": "Hosts (localhost IPv4 + IPv6)",
-    "url": "https://en.wikipedia.org/wiki/Hosts_(file)"
-  },
   {
     "id": 36,
     "name": "Hosts (localhost IPv6)",
@@ -177,14 +168,6 @@
     "id": 41,
     "name": "IPs (IPv6 only; CIDR only)"
   },
-  {
-    "id": 42,
-    "name": "IPs (IPv4 + IPv6; some CIDR)"
-  },
-  {
-    "id": 43,
-    "name": "IPs (IPv4 + IPv6; CIDR only)"
-  },
   {
     "id": 44,
     "name": "PowerShell PKG file"