diff --git a/blankie/escape.h b/blankie/escape.h
index ee80d0c..4045588 100644
--- a/blankie/escape.h
+++ b/blankie/escape.h
@@ -7,5 +7,5 @@ namespace html {
 
 std::string escape(const std::string& in);
 
-}; // namespace html
-}; // namespace blankie
+} // namespace html
+} // namespace blankie
diff --git a/blankie/murl.h b/blankie/murl.h
index 902c3b6..4d819c7 100644
--- a/blankie/murl.h
+++ b/blankie/murl.h
@@ -19,7 +19,7 @@ struct Url {
 
     Url(const std::string& str);
 
-    constexpr std::string get_origin() const {
+    inline std::string get_origin() const {
         std::string res;
         if (!this->scheme.empty()) {
             res = this->scheme + "://";
@@ -40,5 +40,5 @@ struct Url {
 
 std::string normalize_path(const std::string& str);
 
-}; // namespace murl
-}; // namespace blankie
+} // namespace murl
+} // namespace blankie
diff --git a/blankie/serializer.h b/blankie/serializer.h
index f2874ae..e23bbe6 100644
--- a/blankie/serializer.h
+++ b/blankie/serializer.h
@@ -26,5 +26,5 @@ struct Element {
     std::string serialize() const;
 };
 
-}; // namespace html
-}; // namespace blankie
+} // namespace html
+} // namespace blankie
diff --git a/file.h b/file.h
index db7fdfd..4abf9a5 100644
--- a/file.h
+++ b/file.h
@@ -13,12 +13,12 @@ public:
     File(const File&) = delete;
     File& operator=(const File&) = delete;
 
-    inline constexpr File(File&& other) {
+    inline File(File&& other) {
         try_close(this->_file);
         this->_file = other._file;
         other._file = nullptr;
     }
-    inline constexpr File& operator=(File&& other) {
+    inline File& operator=(File&& other) {
         if (this == &other) {
             return *this;
         }
@@ -47,7 +47,7 @@ public:
             throw_system_error("fwrite()");
         }
     }
-    inline constexpr void write(const std::string& str) {
+    inline void write(const std::string& str) {
         this->write(str.data(), str.size());
     }
     inline constexpr FILE* get() const noexcept {