diff --git a/searx/data/engine_traits.json b/searx/data/engine_traits.json
index 83cb0bb20..e2b685b84 100644
--- a/searx/data/engine_traits.json
+++ b/searx/data/engine_traits.json
@@ -13,11 +13,8 @@
         "standards_document"
       ],
       "ext": [
-        "7z",
-        "ai",
         "azw",
         "azw3",
-        "cb7",
         "cbr",
         "cbz",
         "chm",
@@ -25,9 +22,7 @@
         "doc",
         "docx",
         "epub",
-        "exe",
         "fb2",
-        "gz",
         "htm",
         "html",
         "htmlz",
@@ -41,7 +36,6 @@
         "pdb",
         "pdf",
         "ppt",
-        "pptx",
         "prc",
         "rar",
         "rtf",
@@ -6944,8 +6938,7 @@
       "ro-RO": "ro_RO",
       "sv-SE": "sv_SE",
       "th-TH": "th_TH",
-      "zh-CN": "zh_CN",
-      "zh-HK": "zh_HK"
+      "zh-CN": "zh_CN"
     }
   },
   "qwant images": {
@@ -6992,8 +6985,7 @@
       "ro-RO": "ro_RO",
       "sv-SE": "sv_SE",
       "th-TH": "th_TH",
-      "zh-CN": "zh_CN",
-      "zh-HK": "zh_HK"
+      "zh-CN": "zh_CN"
     }
   },
   "qwant news": {
@@ -7072,8 +7064,7 @@
       "ro-RO": "ro_RO",
       "sv-SE": "sv_SE",
       "th-TH": "th_TH",
-      "zh-CN": "zh_CN",
-      "zh-HK": "zh_HK"
+      "zh-CN": "zh_CN"
     }
   },
   "radio browser": {
@@ -7980,6 +7971,7 @@
       "ca": "ca",
       "ckb": "ckb",
       "cs": "cs",
+      "cy": "cy",
       "da": "da",
       "de": "de",
       "el": "el",
@@ -8313,6 +8305,7 @@
         "pt",
         "pwn",
         "qu",
+        "rki",
         "rm",
         "rmy",
         "rn",
@@ -8425,6 +8418,7 @@
         "ca": "ca.wikipedia.org",
         "ckb": "ckb.wikipedia.org",
         "cs": "cs.wikipedia.org",
+        "cy": "cy.wikipedia.org",
         "da": "da.wikipedia.org",
         "de": "de.wikipedia.org",
         "el": "el.wikipedia.org",
@@ -8511,6 +8505,7 @@
       "ca": "ca",
       "ckb": "ckb",
       "cs": "cs",
+      "cy": "cy",
       "da": "da",
       "de": "de",
       "el": "el",