diff --git a/src/base/http/httperror.h b/src/base/http/httperror.h
index ab597ea64..853d6a7a9 100644
--- a/src/base/http/httperror.h
+++ b/src/base/http/httperror.h
@@ -39,8 +39,8 @@ public:
     QString statusText() const;
 
 private:
-    const int m_statusCode;
-    const QString m_statusText;
+    int m_statusCode;
+    QString m_statusText;
 };
 
 class BadRequestHTTPError : public HTTPError
diff --git a/src/base/indexrange.h b/src/base/indexrange.h
index 85af9d3e9..88719e5a0 100644
--- a/src/base/indexrange.h
+++ b/src/base/indexrange.h
@@ -57,8 +57,8 @@ public:
     }
 
 private:
-    const IndexType m_first;
-    const IndexType m_last;
+    IndexType m_first;
+    IndexType m_last;
 };
 
 template <typename T>
diff --git a/src/webui/api/apierror.h b/src/webui/api/apierror.h
index e9181ca07..3879bd3af 100644
--- a/src/webui/api/apierror.h
+++ b/src/webui/api/apierror.h
@@ -47,5 +47,5 @@ public:
     APIErrorType type() const;
 
 private:
-    const APIErrorType m_type;
+    APIErrorType m_type;
 };