diff --git a/CHANGELOG.md b/CHANGELOG.md
index be4e6b6..1213b5c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# Version x.x.x
+- Remove question mark from form dialog (#150)
+
 # Version 1.0.0
 - Update "pre-commit-config.yaml" (#136)
 - Change order of widget states (#129)
diff --git a/eqt/ui/FormDialog.py b/eqt/ui/FormDialog.py
index ca83bfb..f9f8e9b 100644
--- a/eqt/ui/FormDialog.py
+++ b/eqt/ui/FormDialog.py
@@ -1,4 +1,4 @@
-from PySide2 import QtWidgets
+from PySide2 import QtCore, QtWidgets
 
 from . import UIFormFactory
 
@@ -6,6 +6,7 @@
 class FormDialog(QtWidgets.QDialog):
     def __init__(self, parent=None, title=None):
         super().__init__(parent)
+        self.setWindowFlag(QtCore.Qt.WindowContextHelpButtonHint, False)
 
         self.buttonBox = QtWidgets.QDialogButtonBox(QtWidgets.QDialogButtonBox.Ok
                                                     | QtWidgets.QDialogButtonBox.Cancel)