diff --git a/src/libs/core/httplib.h b/src/libs/core/httplib.h
index 2c74f2902..37d1a63d5 100644
--- a/src/libs/core/httplib.h
+++ b/src/libs/core/httplib.h
@@ -466,6 +466,7 @@ class Server {
   Server &Options(const char *pattern, Handler handler);
 
   bool set_base_dir(const char *dir, const char *mount_point = nullptr);
+  bool remove_mount_point(const char *mount_point);
   void set_file_extension_and_mimetype_mapping(const char *ext,
                                                const char *mime);
   void set_file_request_handler(Handler handler);
@@ -2899,6 +2900,17 @@ inline bool Server::set_base_dir(const char *dir, const char *mount_point) {
   return false;
 }
 
+inline bool Server::remove_mount_point(const char *mount_point) {
+  for (auto it = base_dirs_.begin(); it != base_dirs_.end(); ++it) {
+      if (it->first == mount_point) {
+          base_dirs_.erase(it);
+          return true;
+      }
+  }
+  return false;
+}
+
+
 inline void Server::set_file_extension_and_mimetype_mapping(const char *ext,
                                                             const char *mime) {
   file_extension_and_mimetype_map_[ext] = mime;
diff --git a/src/libs/core/httpserver.cpp b/src/libs/core/httpserver.cpp
index d8c1d9432..f6e25bbe7 100644
--- a/src/libs/core/httpserver.cpp
+++ b/src/libs/core/httpserver.cpp
@@ -76,19 +76,39 @@ QUrl HttpServer::baseUrl() const
 
 QUrl HttpServer::mount(const QString &path, const QString &prefix)
 {
-    QString safePrefix = prefix.toLower(); // Safe prefix.
-    safePrefix.replace(QRegularExpression(QStringLiteral("[^a-zA-Z0-9-_]")), QStringLiteral("_"));
-    safePrefix.prepend(QLatin1Char('/'));
-
-    const bool rc = m_server->set_base_dir(path.toUtf8(), safePrefix.toUtf8());
-    if (!rc) {
-        qCWarning(log, "Failed to mount '%s' to '%s'.", qPrintable(path), qPrintable(safePrefix));
+    const QString pfx = sanitizePrefix(prefix);
+    const bool ok = m_server->set_base_dir(path.toUtf8(), pfx.toUtf8());
+    if (!ok) {
+        qCWarning(log, "Failed to mount '%s' to '%s'.", qPrintable(path), qPrintable(pfx));
         return QUrl();
     }
 
-    qCDebug(log, "Mounted '%s' to '%s'.", qPrintable(path), qPrintable(safePrefix));
+    qCDebug(log, "Mounted '%s' to '%s'.", qPrintable(path), qPrintable(pfx));
 
     QUrl mountUrl = m_baseUrl;
-    mountUrl.setPath(m_baseUrl.path() + safePrefix);
+    mountUrl.setPath(m_baseUrl.path() + pfx);
     return mountUrl;
 }
+
+bool HttpServer::unmount(const QString &prefix)
+{
+    const QString pfx = sanitizePrefix(prefix);
+    const bool ok = m_server->remove_mount_point(pfx.toUtf8());
+    if (!ok) {
+        qCWarning(log, "Failed to unmount '%s' to '%s'.", qPrintable(prefix), qPrintable(pfx));
+    }
+
+    qCDebug(log, "Unmounted prefix '%s' ('%s').", qPrintable(prefix), qPrintable(pfx));
+
+
+    return ok;
+}
+
+QString HttpServer::sanitizePrefix(const QString &prefix)
+{
+    QString pfx = (prefix.startsWith(QLatin1String("/")) ? prefix.right(1) : prefix).toLower();
+    pfx.replace(QRegularExpression(QStringLiteral("[^a-zA-Z0-9-_]")), QStringLiteral("_"));
+    pfx.prepend(QLatin1Char('/'));
+
+    return pfx;
+}
diff --git a/src/libs/core/httpserver.h b/src/libs/core/httpserver.h
index eb3846336..d48337621 100644
--- a/src/libs/core/httpserver.h
+++ b/src/libs/core/httpserver.h
@@ -47,8 +47,11 @@ class HttpServer : public QObject
     QUrl baseUrl() const;
 
     QUrl mount(const QString &path, const QString &prefix);
+    bool unmount(const QString &prefix);
 
 private:
+    static QString sanitizePrefix(const QString &prefix);
+
     std::unique_ptr<httplib::Server> m_server;
     std::future<bool> m_future;
 
diff --git a/src/libs/registry/docsetregistry.cpp b/src/libs/registry/docsetregistry.cpp
index c838380fa..a94465915 100644
--- a/src/libs/registry/docsetregistry.cpp
+++ b/src/libs/registry/docsetregistry.cpp
@@ -166,6 +166,7 @@ void DocsetRegistry::loadDocset(const QString &path)
 void DocsetRegistry::unloadDocset(const QString &name)
 {
     emit docsetAboutToBeUnloaded(name);
+    Core::Application::instance()->httpServer()->unmount(name);
     delete m_docsets.take(name);
     emit docsetUnloaded(name);
 }