diff --git a/resources/categories.json b/resources/categories.json
index b94102b5..2dadffaa 100644
--- a/resources/categories.json
+++ b/resources/categories.json
@@ -70,7 +70,6 @@
   "CTC Guarantee Balance phase 4 service guide": ["CUSTOMS"],
   "CTC Guarantee Balance phase 4 testing guide": ["CUSTOMS"],
   "CTC Guarantee Balance phase 5 service guide": ["CUSTOMS"],
-  "CTC Guarantee Balance phase 5 testing guide": ["CUSTOMS"],
   "Goods Vehicle Movements service guide": ["CUSTOMS"],
   "Customs Declarations end-to-end service guide": ["CUSTOMS"],
   "Interest Restriction Return (IRR) service guide": ["CORPORATION_TAX"],
diff --git a/resources/service_guides.json b/resources/service_guides.json
index 0e9e8949..d8796455 100644
--- a/resources/service_guides.json
+++ b/resources/service_guides.json
@@ -59,10 +59,6 @@
     "name": "CTC Guarantee Balance phase 5 service guide",
     "context": "/guides/ctc-guarantee-balance-phase5-service-guide/"
   },
-  {
-    "name": "CTC Guarantee Balance phase 5 testing guide",
-    "context": "/guides/ctc-guarantee-balance-phase5-testing-guide/"
-  },
   {
     "name": "Import Control System 2 Presentation of Goods service guide",
     "context": "/guides/import-control-presentation-of-goods-end-to-end-service-guide"