diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 166662622a3..0db807333c0 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -6363,7 +6363,7 @@ void Tokenizer::simplifyHeadersAndUnusedTemplates()
             }
         }
 
-        if (!tok->previous() || Token::Match(tok->previous(), "[;{}]")) {
+        if (!tok->previous() || Token::Match(tok->previous(), "[;{}:]")) {
             // Remove unused function declarations
             if (isIncluded && removeUnusedIncludedFunctions) {
                 while (true) {
diff --git a/test/cli/other_test.py b/test/cli/other_test.py
index a747493e48d..fa96bbd64b3 100644
--- a/test/cli/other_test.py
+++ b/test/cli/other_test.py
@@ -3164,6 +3164,15 @@ def test_check_unused_templates_func(tmp_path):  # #13714
     (void)(*((int*)0));
 }
 
+class S {
+public:
+    template<typename T>
+    void f_t_3()
+    {
+        (void)(*((int*)0));
+    }
+};
+
 void f() {}
 """)