diff --git a/resources/web/dialog/PluginsDialog/index.js b/resources/web/dialog/PluginsDialog/index.js
index 2c0ce1ade8..b627881c93 100644
--- a/resources/web/dialog/PluginsDialog/index.js
+++ b/resources/web/dialog/PluginsDialog/index.js
@@ -385,6 +385,21 @@ function IsPluginChecked(plugin) {
   return GetStatus(plugin) === "Activated";
 }
 
+function HasMixedCapabilityState(plugin) {
+  if (!IsPluginChecked(plugin))
+    return false;
+
+  const toggleableCapabilities = GetCapabilities(plugin).filter((capability) =>
+    capability?.can_toggle !== false &&
+    String(capability?.name || "") &&
+    String(capability?.type_key || "")
+  );
+
+  const hasEnabled = toggleableCapabilities.some((capability) => capability?.enabled === true);
+  const hasDisabled = toggleableCapabilities.some((capability) => capability?.enabled !== true);
+  return hasEnabled && hasDisabled;
+}
+
 function IsPluginLoading(plugin) {
   return GetStatus(plugin) === "Loading";
 }
@@ -420,12 +435,20 @@ function CheckCell(row, plugin) {
     checkboxLabel.classList.add("loading");
   if (!plugin.can_toggle)
     checkboxLabel.classList.add("disabled");
+  const hasMixedCapabilityState = HasMixedCapabilityState(plugin);
+  if (hasMixedCapabilityState)
+    checkboxLabel.classList.add("mixed");
   const checkbox = document.createElement("input");
   checkbox.type = "checkbox";
   checkbox.className = "plugin-checkbox-input";
   checkbox.checked = IsPluginChecked(plugin);
+  checkbox.indeterminate = hasMixedCapabilityState;
   checkbox.disabled = isLoading || !plugin.can_toggle;
   checkbox.dataset.pluginKey = row.dataset.pluginKey;
+  if (checkbox.indeterminate) {
+    checkbox.setAttribute("aria-checked", "mixed");
+    checkbox.setAttribute("aria-label", "Some plugin capabilities are enabled");
+  }
   const checkboxMark = document.createElement("span");
   checkboxMark.className = "plugin-checkbox-mark";
   checkboxLabel.appendChild(checkbox);
diff --git a/resources/web/dialog/PluginsDialog/styles.css b/resources/web/dialog/PluginsDialog/styles.css
index 1a63c89343..0c571e38dc 100644
--- a/resources/web/dialog/PluginsDialog/styles.css
+++ b/resources/web/dialog/PluginsDialog/styles.css
@@ -878,6 +878,25 @@ body {
   transform: rotate(45deg);
 }
 
+.plugin-checkbox-input:indeterminate + .plugin-checkbox-mark,
+.plugin-checkbox.mixed .plugin-checkbox-mark {
+  border-color: #009688;
+  background: #009688;
+}
+
+.plugin-checkbox-input:indeterminate + .plugin-checkbox-mark::after,
+.plugin-checkbox.mixed .plugin-checkbox-mark::after {
+  content: "";
+  position: absolute;
+  left: 2px;
+  top: 5px;
+  width: 6px;
+  height: 0;
+  border: solid #fff;
+  border-width: 1.5px 0 0 0;
+  transform: none;
+}
+
 .plugin-checkbox-input:disabled + .plugin-checkbox-mark {
   opacity: 0.6;
 }
diff --git a/src/slic3r/GUI/Field.cpp b/src/slic3r/GUI/Field.cpp
index 2083e0bbe3..56173f259e 100644
--- a/src/slic3r/GUI/Field.cpp
+++ b/src/slic3r/GUI/Field.cpp
@@ -33,7 +33,6 @@
 #include "Widgets/TextCtrl.h"
 
 #include "../Utils/ColorSpaceConvert.hpp"
-#include "slic3r/plugin/PluginManager.hpp"
 #ifdef __WXOSX__
 #define wxOSX true
 #else
diff --git a/src/slic3r/plugin/PluginManager.cpp b/src/slic3r/plugin/PluginManager.cpp
index b88ff8697e..7062dfda29 100644
--- a/src/slic3r/plugin/PluginManager.cpp
+++ b/src/slic3r/plugin/PluginManager.cpp
@@ -2,10 +2,8 @@
 #include "slic3r/GUI/GUI_App.hpp"
 
 #include <pybind11/embed.h>
-namespace py = pybind11;
 
 #include "PythonPluginBridge.hpp"
-#include "PythonPluginInterface.hpp"
 #include "PluginFsUtils.hpp"
 #include "PythonFileUtils.hpp"
 
@@ -13,7 +11,6 @@ namespace py = pybind11;
 #include <boost/filesystem.hpp>
 #include <mutex>
 #include <algorithm>
-#include <memory>
 #include <chrono>
 #include <slic3r/GUI/NotificationManager.hpp>
 #include <slic3r/plugin/PluginDescriptor.hpp>