2 files changed, 2 insertions, 2 deletions
diff --git a/src/word_db.cc b/src/word_db.cc
index 193380ac..2b494fb9 100644
--- a/src/word_db.cc
+++ b/src/word_db.cc
@@ -133,7 +133,7 @@ void WordDB::update_db()
 template<typename Func>
 std::vector<InternedString> find_matching(const WordDB::WordList& words, StringView str, Func func)
 {
-    WordDB::UsedChars letters = used_letters(str);
+    const WordDB::UsedChars letters = used_letters(str);
     std::vector<InternedString> res;
     for (auto&& word : words)
     {
diff --git a/src/word_db.hh b/src/word_db.hh
index 1e9e4318..06f4986f 100644
--- a/src/word_db.hh
+++ b/src/word_db.hh
@@ -15,7 +15,7 @@ class WordDB
 {
 public:
     WordDB(const Buffer& buffer);
-    WordDB(const WordDB&) { kak_assert(false); }
+    WordDB(const WordDB&) = delete;
     WordDB(WordDB&&) = default;
 
     std::vector<InternedString> find_prefix(StringView prefix);