diff --git a/src/gui/inputdevices/InputUtils.h b/src/gui/inputdevices/InputUtils.h
index 9667dec0..1035ddf1 100644
--- a/src/gui/inputdevices/InputUtils.h
+++ b/src/gui/inputdevices/InputUtils.h
@@ -1,5 +1,3 @@
-#pragma once
-
 #include "control/ToolHandler.h"
 #include "control/settings/Settings.h"
 #include "control/settings/SettingsEnums.h"
diff --git a/src/xoj-preview-extractor/CMakeLists.txt b/src/xoj-preview-extractor/CMakeLists.txt
index df90285a..b2029d68 100644
--- a/src/xoj-preview-extractor/CMakeLists.txt
+++ b/src/xoj-preview-extractor/CMakeLists.txt
@@ -12,7 +12,6 @@ add_executable (xournalpp-thumbnailer
   "${PROJECT_SOURCE_DIR}/src/util/GzUtil.cpp"
   "${PROJECT_SOURCE_DIR}/src/util/PlaceholderString.cpp"
   "${PROJECT_SOURCE_DIR}/src/util/StringUtils.cpp"
-  "${PROJECT_SOURCE_DIR}/src/gui/inputdevices/InputUtils.cpp"
   "${PROJECT_SOURCE_DIR}/src/util/XojPreviewExtractor.cpp"
 )