diff --git a/include/SQLiteCpp/Database.h b/include/SQLiteCpp/Database.h
index 0129809..d3184c0 100644
--- a/include/SQLiteCpp/Database.h
+++ b/include/SQLiteCpp/Database.h
@@ -412,7 +412,7 @@ public:
     *
     * @throw SQLite::Exception in case of error
     */
-    static const bool isUnencrypted(const std::string& aFilename);
+    static bool isUnencrypted(const std::string& aFilename);
 
 private:
     /// @{ Database must be non-copyable
diff --git a/src/Database.cpp b/src/Database.cpp
index cfa5447..a63b3ff 100644
--- a/src/Database.cpp
+++ b/src/Database.cpp
@@ -265,7 +265,7 @@ void Database::rekey(const std::string& aNewKey) const
 }
 
 // Test if a file contains an unencrypted database.
-const bool Database::isUnencrypted(const std::string& aFilename)
+bool Database::isUnencrypted(const std::string& aFilename)
 {
     if (aFilename.length() > 0) {
         std::ifstream fileBuffer(aFilename.c_str(), std::ios::in | std::ios::binary);