diff --git a/src/copyvios/checker.py b/src/copyvios/checker.py
index d8e406f..fa3a161 100644
--- a/src/copyvios/checker.py
+++ b/src/copyvios/checker.py
@@ -21,7 +21,6 @@ from .cache import cache
 from .misc import get_sql_error, sql_dialect
 from .query import APIQuery, CheckQuery
 from .sites import get_site
-from .turnitin import search_turnitin
 
 T_POSSIBLE = 0.4
 T_SUSPECT = 0.75
@@ -91,14 +90,15 @@ def _get_results(
         query.action = "compare" if query.url else "search"
 
     if query.action == "search":
-        if not query.use_engine and not query.use_links and not query.turnitin:
+        if not query.use_engine and not query.use_links:
             raise CopyvioCheckError(ErrorCode.NO_SEARCH_METHOD)
 
         # Handle the Turnitin check
         turnitin_result = None
-        if query.turnitin:
-            assert query.lang
-            turnitin_result = search_turnitin(page.title, query.lang)
+        # 2026-06-07: Disabled, API doesn't work
+        # if query.turnitin:
+        #     assert query.lang
+        #     turnitin_result = search_turnitin(page.title, query.lang)
 
         # Handle the copyvio check
         conn = cache.engine.raw_connection()
diff --git a/src/copyvios/templates/index.html.jinja b/src/copyvios/templates/index.html.jinja
index ed444bc..b5b187f 100644
--- a/src/copyvios/templates/index.html.jinja
+++ b/src/copyvios/templates/index.html.jinja
@@ -13,7 +13,7 @@
                 {% if error.code == ErrorCode.BAD_ACTION %}
                     Unknown action: <b><span class="mono">{{ query.action | e }}</span></b>.
                 {% elif error.code == ErrorCode.NO_SEARCH_METHOD %}
-                    No copyvio search methods were selected. A check can only be made using the search engine, links present in the page, Turnitin, or some combination of these.
+                    No copyvio search methods were selected. A check can only be made using the search engine, links present in the page, or some combination of these.
                 {% elif error.code == ErrorCode.BAD_OLDID %}
                     The revision ID <code>{{ query.oldid | e }}</code> is invalid. It should be an integer.
                 {% elif error.code == ErrorCode.NO_URL %}
diff --git a/src/copyvios/templates/support/cv_form.html.jinja b/src/copyvios/templates/support/cv_form.html.jinja
index 817f6bb..2f2013f 100644
--- a/src/copyvios/templates/support/cv_form.html.jinja
+++ b/src/copyvios/templates/support/cv_form.html.jinja
@@ -70,6 +70,7 @@
             <label for="cv-cb-links" class="oo-ui-widget oo-ui-widget-enabled oo-ui-labelElement-label oo-ui-labelElement oo-ui-labelWidget">Use links in page</label>
         </span>
 
+        <!-- 2026-06-07: Turnitin disabled, API does not work
         <input type="hidden" name="turnitin" value="0">
         <span class="oo-ui-widget oo-ui-widget-enabled">
             <span class="cv-search-oo-ui oo-ui-widget oo-ui-widget-enabled oo-ui-inputWidget oo-ui-checkboxInputWidget">
@@ -78,6 +79,7 @@
             </span>
             <label for="cv-cb-turnitin" class="oo-ui-widget oo-ui-widget-enabled oo-ui-labelElement-label oo-ui-labelElement oo-ui-labelWidget">Use Turnitin</label>
         </span>
+        -->
     </div>
     <div class="oo-ui-layout oo-ui-horizontalLayout">
         <span class="oo-ui-widget oo-ui-widget-enabled">
diff --git a/src/copyvios/turnitin.py b/src/copyvios/turnitin.py
index c12d4cb..27e6bae 100644
--- a/src/copyvios/turnitin.py
+++ b/src/copyvios/turnitin.py
@@ -33,7 +33,7 @@ def _make_api_request(page_title: str, lang: str) -> list[dict]:
         "report": 1,
     }
 
-    result = requests.get(TURNITIN_API_ENDPOINT, params=api_parameters, verify=False)
+    result = requests.get(TURNITIN_API_ENDPOINT, params=api_parameters)
     # use literal_eval to *safely* parse the resulting dict-containing string
     try:
         parsed_api_result = ast.literal_eval(result.text)