diff --git a/src/plugins/qmldesigner/designercore/include/model.h b/src/plugins/qmldesigner/designercore/include/model.h
index efa6731d85f..ea788659426 100644
--- a/src/plugins/qmldesigner/designercore/include/model.h
+++ b/src/plugins/qmldesigner/designercore/include/model.h
@@ -98,8 +98,8 @@ public:
     void changeImports(const QList<Import> &importsToBeAdded, const QList<Import> &importsToBeRemoved);
     void setPossibleImports(const QList<Import> &possibleImports);
     void setUsedImports(const QList<Import> &usedImports);
-    bool hasImport(const Import &import, bool ignoreAlias = true, bool allowHigherVersion = false);
-    bool isImportPossible(const Import &import, bool ignoreAlias = true, bool allowHigherVersion = false);
+    bool hasImport(const Import &import, bool ignoreAlias = true, bool allowHigherVersion = false) const;
+    bool isImportPossible(const Import &import, bool ignoreAlias = true, bool allowHigherVersion = false) const;
     QString pathForImport(const Import &import);
     QStringList importPaths() const;
     Import highestPossibleImport(const QString &importPath);
diff --git a/src/plugins/qmldesigner/designercore/model/model.cpp b/src/plugins/qmldesigner/designercore/model/model.cpp
index 960ad32aed3..8699389182e 100644
--- a/src/plugins/qmldesigner/designercore/model/model.cpp
+++ b/src/plugins/qmldesigner/designercore/model/model.cpp
@@ -1897,7 +1897,7 @@ static bool compareVersions(const QString &version1, const QString &version2, bo
     return false;
 }
 
-bool Model::hasImport(const Import &import, bool ignoreAlias, bool allowHigherVersion)
+bool Model::hasImport(const Import &import, bool ignoreAlias, bool allowHigherVersion) const
 {
     if (imports().contains(import))
         return true;
@@ -1915,7 +1915,7 @@ bool Model::hasImport(const Import &import, bool ignoreAlias, bool allowHigherVe
     return false;
 }
 
-bool Model::isImportPossible(const Import &import, bool ignoreAlias, bool allowHigherVersion)
+bool Model::isImportPossible(const Import &import, bool ignoreAlias, bool allowHigherVersion) const
 {
     if (imports().contains(import))
         return true;