diff --git a/src/plugins/QtcPlugin.qbs b/src/plugins/QtcPlugin.qbs
index 9a2f701f299..d0751c64d54 100644
--- a/src/plugins/QtcPlugin.qbs
+++ b/src/plugins/QtcPlugin.qbs
@@ -19,6 +19,7 @@ Product {
         return name;
     }
 
+    Depends { name: "ExtensionSystem" }
     Depends { name: "pluginspec" }
     Depends { name: "cpp" }
     Depends {
diff --git a/src/plugins/coreplugin/coreplugin.qbs b/src/plugins/coreplugin/coreplugin.qbs
index 2e9d871469a..03c50361d1d 100644
--- a/src/plugins/coreplugin/coreplugin.qbs
+++ b/src/plugins/coreplugin/coreplugin.qbs
@@ -11,7 +11,6 @@ QtcPlugin {
         ]
     }
     Depends { name: "Utils" }
-    Depends { name: "ExtensionSystem" }
     Depends { name: "Aggregation" }
     Depends { name: "app_version_header" }
 
@@ -251,7 +250,6 @@ QtcPlugin {
     ProductModule {
         Depends { name: "cpp" }
         Depends { name: "Aggregation" }
-        Depends { name: "ExtensionSystem" }
         Depends { name: "Utils" }
     }
 }
diff --git a/src/plugins/qbsprojectmanager/qbsprojectmanager.qbs b/src/plugins/qbsprojectmanager/qbsprojectmanager.qbs
index 61e9c539e41..ecc617edf8b 100644
--- a/src/plugins/qbsprojectmanager/qbsprojectmanager.qbs
+++ b/src/plugins/qbsprojectmanager/qbsprojectmanager.qbs
@@ -14,7 +14,6 @@ QtcPlugin {
     Depends { name: "ProjectExplorer" }
     Depends { name: "Core" }
     Depends { name: "CppTools" }
-    Depends { name: "ExtensionSystem" }
     Depends { name: "TextEditor" }
     Depends { name: "QtSupport" }
     Depends { name: "QmlJS" }
diff --git a/src/plugins/updateinfo/updateinfo.qbs b/src/plugins/updateinfo/updateinfo.qbs
index 94fd2e2b1fb..2d305410840 100644
--- a/src/plugins/updateinfo/updateinfo.qbs
+++ b/src/plugins/updateinfo/updateinfo.qbs
@@ -7,7 +7,6 @@ QtcPlugin {
 
     Depends { name: "cpp" }
     Depends { name: "Core" }
-    Depends { name: "ExtensionSystem" }
     Depends { name: "Qt"; submodules: ["widgets", "xml", "network"] }
 
     property bool enable: false