diff --git a/gammaray.changes b/gammaray.changes
index b163305..92343fb 100644
--- a/gammaray.changes
+++ b/gammaray.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sat Feb  1 10:59:42 UTC 2025 - Christophe Marin <christophe@krop.fr>
+
+- Drop the KDStateMachineEditor build dependency.
+  The option is turned off by default and there's currently no
+  way to use the system KDSME.
+
 -------------------------------------------------------------------
 Wed Nov 20 12:12:19 UTC 2024 - Christophe Marin <christophe@krop.fr>
 
diff --git a/gammaray.spec b/gammaray.spec
index 57f9a7a..97e6de0 100644
--- a/gammaray.spec
+++ b/gammaray.spec
@@ -79,8 +79,6 @@ BuildRequires:  libQt5Widgets-private-headers-devel >= %{qt_min_version}
 BuildRequires:  libqt5-qtdeclarative-private-headers-devel >= %{qt_min_version}
 BuildRequires:  libqt5-qtscxml-private-headers-devel >= %{qt_min_version}
 BuildRequires:  libqt5-qttools-doc >= %{qt_min_version}
-# No Qt6 support in current release
-BuildRequires:  cmake(KDSME)
 BuildRequires:  cmake(KF5CoreAddons)
 BuildRequires:  cmake(KF5SyntaxHighlighting)
 BuildRequires:  cmake(Qt5AttributionsScannerTools) >= %{qt_min_version}
@@ -106,9 +104,7 @@ BuildRequires:  qt6-scxml-imports >= %{qt_min_version}
 BuildRequires:  qt6-scxml-private-devel >= %{qt_min_version}
 BuildRequires:  qt6-statemachine-private-devel >= %{qt_min_version}
 BuildRequires:  qt6-widgets-private-devel >= %{qt_min_version}
-%if 0%{?suse_version} > 1500 || 0%{?sle_version} > 150500
 BuildRequires:  cmake(Qt6Location) >= %{qt_min_version}
-%endif
 BuildRequires:  cmake(Qt6ShaderTools) >= %{qt_min_version}
 BuildRequires:  cmake(Qt6StateMachine) >= %{qt_min_version}
 BuildRequires:  cmake(Qt6ToolsTools) >= %{qt_min_version}
@@ -166,6 +162,9 @@ frameworks in Qt. Development files.
 %prep
 %autosetup -p1 -n %{rname}-%{version}
 
+# Unused
+rm -r 3rdparty/KDStateMachineEditor
+
 %build
 %define _lto_cflags %{nil}
 %if 0%{?qt5}