diff --git a/src/plugins/clangformat/clangformat.qbs b/src/plugins/clangformat/clangformat.qbs
index 9b575fc73ca..f470951e9d1 100644
--- a/src/plugins/clangformat/clangformat.qbs
+++ b/src/plugins/clangformat/clangformat.qbs
@@ -1,5 +1,4 @@
 import qbs
-import qbs.FileInfo
 
 QtcPlugin {
     name: "ClangFormat"
@@ -8,7 +7,6 @@ QtcPlugin {
     Depends { name: "TextEditor" }
     Depends { name: "CppTools" }
     Depends { name: "ProjectExplorer" }
-    Depends { name: "ExtensionSystem" }
     Depends { name: "Utils" }
 
     Depends { name: "libclang"; required: false }
diff --git a/src/plugins/clangtools/clangtools.qbs b/src/plugins/clangtools/clangtools.qbs
index 97759e54c5c..7eb7e6c7c70 100644
--- a/src/plugins/clangtools/clangtools.qbs
+++ b/src/plugins/clangtools/clangtools.qbs
@@ -8,7 +8,6 @@ QtcPlugin {
     Depends { name: "Core" }
     Depends { name: "TextEditor" }
     Depends { name: "CppTools" }
-    Depends { name: "ExtensionSystem" }
     Depends { name: "ProjectExplorer" }
     Depends { name: "QtcSsh" }
     Depends { name: "Utils" }
diff --git a/src/plugins/cppcheck/cppcheck.qbs b/src/plugins/cppcheck/cppcheck.qbs
index 56f6d737c10..9a113c2cf30 100644
--- a/src/plugins/cppcheck/cppcheck.qbs
+++ b/src/plugins/cppcheck/cppcheck.qbs
@@ -5,7 +5,6 @@ QtcPlugin {
 
     Depends { name: "Core" }
     Depends { name: "CppTools" }
-    Depends { name: "ExtensionSystem" }
     Depends { name: "ProjectExplorer" }
     Depends { name: "TextEditor" }
     Depends { name: "Utils" }