diff --git a/libtransmission/makelog b/libtransmission/makelog
deleted file mode 100644
index cf407e178..000000000
--- a/libtransmission/makelog
+++ /dev/null
@@ -1 +0,0 @@
-ninja: error: loading 'build.ninja': No such file or directory
diff --git a/qt/PathButton.cc b/qt/PathButton.cc
index 5a87c4504..a4a3a04fa 100644
--- a/qt/PathButton.cc
+++ b/qt/PathButton.cc
@@ -63,11 +63,6 @@ void PathButton::setPath(QString const& path)
     emit pathChanged(path_);
 }
 
-QString const& PathButton::path() const
-{
-    return path_;
-}
-
 QSize PathButton::sizeHint() const
 {
     auto const sh = QToolButton::sizeHint();
diff --git a/qt/PathButton.h b/qt/PathButton.h
index df26e8af2..398cf1e54 100644
--- a/qt/PathButton.h
+++ b/qt/PathButton.h
@@ -28,7 +28,11 @@ public:
     void setNameFilter(QString const& name_filter);
 
     void setPath(QString const& path);
-    QString const& path() const;
+
+    [[nodiscard]] constexpr auto const& path() const noexcept
+    {
+        return path_;
+    }
 
     // QWidget
     QSize sizeHint() const override;
diff --git a/qt/RpcClient.cc b/qt/RpcClient.cc
index 4a12e8d83..46f8d87d2 100644
--- a/qt/RpcClient.cc
+++ b/qt/RpcClient.cc
@@ -67,29 +67,10 @@ void RpcClient::start(tr_session* session)
 void RpcClient::start(QUrl const& url)
 {
     url_ = url;
+    url_is_loopback_ = QHostAddress{ url_.host() }.isLoopback();
     request_.reset();
 }
 
-bool RpcClient::isLocal() const
-{
-    if (session_ != nullptr)
-    {
-        return true;
-    }
-
-    if (QHostAddress{ url_.host() }.isLoopback())
-    {
-        return true;
-    }
-
-    return false;
-}
-
-QUrl const& RpcClient::url() const
-{
-    return url_;
-}
-
 RpcResponseFuture RpcClient::exec(tr_quark method, tr_variant* args)
 {
     return exec(tr_quark_get_string_view(method), args);
diff --git a/qt/RpcClient.h b/qt/RpcClient.h
index 62acb02e7..a12d30cbe 100644
--- a/qt/RpcClient.h
+++ b/qt/RpcClient.h
@@ -55,13 +55,20 @@ class RpcClient : public QObject
 public:
     explicit RpcClient(QObject* parent = nullptr);
 
+    [[nodiscard]] constexpr auto const& url() const noexcept
+    {
+        return url_;
+    }
+
+    [[nodiscard]] constexpr auto isLocal() const noexcept
+    {
+        return session_ != nullptr || url_is_loopback_;
+    }
+
     void stop();
     void start(tr_session* session);
     void start(QUrl const& url);
 
-    bool isLocal() const;
-    QUrl const& url() const;
-
     RpcResponseFuture exec(tr_quark method, tr_variant* args);
     RpcResponseFuture exec(std::string_view method, tr_variant* args);
 
@@ -94,4 +101,5 @@ private:
     std::unordered_map<int64_t, QFutureInterface<RpcResponse>> local_requests_;
     int64_t next_tag_ = {};
     bool const verbose_ = qEnvironmentVariableIsSet("TR_RPC_VERBOSE");
+    bool url_is_loopback_ = false;
 };
diff --git a/qt/RpcQueue.h b/qt/RpcQueue.h
index c98f16014..a798ae196 100644
--- a/qt/RpcQueue.h
+++ b/qt/RpcQueue.h
@@ -27,7 +27,7 @@ class RpcQueue : public QObject
 public:
     explicit RpcQueue(QObject* parent = nullptr);
 
-    void setTolerateErrors(bool tolerate_errors = true)
+    constexpr void setTolerateErrors(bool tolerate_errors = true)
     {
         tolerate_errors_ = tolerate_errors;
     }
diff --git a/qt/Session.cc b/qt/Session.cc
index 34398e62c..8646013da 100644
--- a/qt/Session.cc
+++ b/qt/Session.cc
@@ -386,24 +386,7 @@ void Session::start()
     emit sourceChanged();
 }
 
-bool Session::isServer() const
-{
-    return session_ != nullptr;
-}
-
-bool Session::isLocal() const
-{
-    if (!session_id_.isEmpty())
-    {
-        return is_definitely_local_session_;
-    }
-
-    return rpc_.isLocal();
-}
-
-/***
-****
-***/
+// ---
 
 void Session::addOptionalIds(tr_variant* args_dict, torrent_ids_t const& torrent_ids) const
 {
diff --git a/qt/Session.h b/qt/Session.h
index 70e36d4af..7ac6982e9 100644
--- a/qt/Session.h
+++ b/qt/Session.h
@@ -46,7 +46,7 @@ public:
     void stop();
     void restart();
 
-    QUrl const& getRemoteUrl() const
+    [[nodiscard]] constexpr auto const& getRemoteUrl() const noexcept
     {
         return rpc_.url();
     }
@@ -86,10 +86,16 @@ public:
     bool portTestPending(PortTestIpProtocol ip_protocol) const noexcept;
 
     /** returns true if the transmission session is being run inside this client */
-    bool isServer() const;
+    [[nodiscard]] constexpr auto isServer() const noexcept
+    {
+        return session_ != nullptr;
+    }
 
     /** returns true if isServer() is true or if the remote address is the localhost */
-    bool isLocal() const;
+    [[nodiscard]] auto isLocal() const noexcept
+    {
+        return !session_id_.isEmpty() ? is_definitely_local_session_ : rpc_.isLocal();
+    }
 
     RpcResponseFuture exec(tr_quark method, tr_variant* args);
     RpcResponseFuture exec(std::string_view method, tr_variant* args);