diff --git a/cmake/FindQtRuntime.cmake b/cmake/FindQtRuntime.cmake
index 3025934f4..769f9b463 100644
--- a/cmake/FindQtRuntime.cmake
+++ b/cmake/FindQtRuntime.cmake
@@ -115,4 +115,7 @@ string(REGEX REPLACE "([^;]+)" "${COCKATRICE_QT_VERSION_NAME}::\\1" ORACLE_QT_MO
 string(REGEX REPLACE "([^;]+)" "${COCKATRICE_QT_VERSION_NAME}::\\1" DB_CONVERTER_QT_MODULES "${_DBCONVERTER_NEEDED}")
 string(REGEX REPLACE "([^;]+)" "${COCKATRICE_QT_VERSION_NAME}::\\1" TEST_QT_MODULES "${_TEST_NEEDED}")
 
+# Core-only export (useful for headless libs)
+set(QT_CORE_MODULE "${COCKATRICE_QT_VERSION_NAME}::Core")
+
 message(STATUS "Found Qt ${${COCKATRICE_QT_VERSION_NAME}_VERSION} at: ${${COCKATRICE_QT_VERSION_NAME}_DIR}")
diff --git a/cockatrice/CMakeLists.txt b/cockatrice/CMakeLists.txt
index 3308b2733..9eed16ff7 100644
--- a/cockatrice/CMakeLists.txt
+++ b/cockatrice/CMakeLists.txt
@@ -258,6 +258,8 @@ set(cockatrice_SOURCES
     src/interface/widgets/tabs/visual_deck_editor/tab_deck_editor_visual.cpp
     src/interface/widgets/tabs/visual_deck_editor/tab_deck_editor_visual_tab_widget.cpp
     src/interface/widgets/tabs/visual_deck_storage/tab_deck_storage_visual.cpp
+    src/interface/key_signals.cpp
+    src/interface/logger.cpp
 )
 
 add_subdirectory(sounds)
diff --git a/libcockatrice_utility/libcockatrice/utility/key_signals.cpp b/cockatrice/src/interface/key_signals.cpp
similarity index 100%
rename from libcockatrice_utility/libcockatrice/utility/key_signals.cpp
rename to cockatrice/src/interface/key_signals.cpp
diff --git a/libcockatrice_utility/libcockatrice/utility/key_signals.h b/cockatrice/src/interface/key_signals.h
similarity index 100%
rename from libcockatrice_utility/libcockatrice/utility/key_signals.h
rename to cockatrice/src/interface/key_signals.h
diff --git a/libcockatrice_utility/libcockatrice/utility/logger.cpp b/cockatrice/src/interface/logger.cpp
similarity index 100%
rename from libcockatrice_utility/libcockatrice/utility/logger.cpp
rename to cockatrice/src/interface/logger.cpp
diff --git a/libcockatrice_utility/libcockatrice/utility/logger.h b/cockatrice/src/interface/logger.h
similarity index 100%
rename from libcockatrice_utility/libcockatrice/utility/logger.h
rename to cockatrice/src/interface/logger.h
diff --git a/cockatrice/src/interface/widgets/deck_editor/deck_editor_database_display_widget.h b/cockatrice/src/interface/widgets/deck_editor/deck_editor_database_display_widget.h
index 07f79dc55..0add31322 100644
--- a/cockatrice/src/interface/widgets/deck_editor/deck_editor_database_display_widget.h
+++ b/cockatrice/src/interface/widgets/deck_editor/deck_editor_database_display_widget.h
@@ -9,13 +9,13 @@
 #define DECK_EDITOR_DATABASE_DISPLAY_WIDGET_H
 
 #include "../../../interface/widgets/tabs/abstract_tab_deck_editor.h"
+#include "../../key_signals.h"
 #include "../utility/custom_line_edit.h"
 
 #include <QHBoxLayout>
 #include <QWidget>
 #include <libcockatrice/models/database/card_database_display_model.h>
 #include <libcockatrice/models/database/card_database_model.h>
-#include <libcockatrice/utility/key_signals.h>
 
 class AbstractTabDeckEditor;
 class DeckEditorDatabaseDisplayWidget : public QWidget
diff --git a/cockatrice/src/interface/widgets/deck_editor/deck_editor_deck_dock_widget.h b/cockatrice/src/interface/widgets/deck_editor/deck_editor_deck_dock_widget.h
index 06169aa3e..c6c3181b8 100644
--- a/cockatrice/src/interface/widgets/deck_editor/deck_editor_deck_dock_widget.h
+++ b/cockatrice/src/interface/widgets/deck_editor/deck_editor_deck_dock_widget.h
@@ -9,6 +9,7 @@
 #define DECK_EDITOR_DECK_DOCK_WIDGET_H
 
 #include "../../../interface/widgets/tabs/abstract_tab_deck_editor.h"
+#include "../../key_signals.h"
 #include "../utility/custom_line_edit.h"
 #include "../visual_deck_storage/deck_preview/deck_preview_deck_tags_display_widget.h"
 
@@ -18,7 +19,6 @@
 #include <QTextEdit>
 #include <QTreeView>
 #include <libcockatrice/card/card_info.h>
-#include <libcockatrice/utility/key_signals.h>
 
 class DeckListModel;
 class AbstractTabDeckEditor;
diff --git a/cockatrice/src/interface/widgets/deck_editor/deck_editor_filter_dock_widget.h b/cockatrice/src/interface/widgets/deck_editor/deck_editor_filter_dock_widget.h
index 298f6c4e5..de135460f 100644
--- a/cockatrice/src/interface/widgets/deck_editor/deck_editor_filter_dock_widget.h
+++ b/cockatrice/src/interface/widgets/deck_editor/deck_editor_filter_dock_widget.h
@@ -9,10 +9,10 @@
 #define DECK_EDITOR_FILTER_DOCK_WIDGET_H
 
 #include "../../../interface/widgets/tabs/abstract_tab_deck_editor.h"
+#include "../../key_signals.h"
 
 #include <QDockWidget>
 #include <QTreeView>
-#include <libcockatrice/utility/key_signals.h>
 
 class FilterTreeModel;
 class AbstractTabDeckEditor;
diff --git a/cockatrice/src/interface/widgets/dialogs/dlg_view_log.cpp b/cockatrice/src/interface/widgets/dialogs/dlg_view_log.cpp
index 7ad8ec9ab..0fb98bef9 100644
--- a/cockatrice/src/interface/widgets/dialogs/dlg_view_log.cpp
+++ b/cockatrice/src/interface/widgets/dialogs/dlg_view_log.cpp
@@ -1,12 +1,13 @@
 #include "dlg_view_log.h"
 
+#include "../../logger.h"
+
 #include <QClipboard>
 #include <QPlainTextEdit>
 #include <QPushButton>
 #include <QRegularExpression>
 #include <QVBoxLayout>
 #include <libcockatrice/settings/cache_settings.h>
-#include <libcockatrice/utility/logger.h>
 
 DlgViewLog::DlgViewLog(QWidget *parent) : QDialog(parent)
 {
diff --git a/cockatrice/src/interface/widgets/tabs/tab_deck_editor.h b/cockatrice/src/interface/widgets/tabs/tab_deck_editor.h
index ec953055c..b80ce8f75 100644
--- a/cockatrice/src/interface/widgets/tabs/tab_deck_editor.h
+++ b/cockatrice/src/interface/widgets/tabs/tab_deck_editor.h
@@ -1,11 +1,11 @@
 #ifndef WINDOW_DECKEDITOR_H
 #define WINDOW_DECKEDITOR_H
 
+#include "../../key_signals.h"
 #include "../interface/widgets/visual_deck_storage/deck_preview/deck_preview_deck_tags_display_widget.h"
 #include "abstract_tab_deck_editor.h"
 
 #include <libcockatrice/card/card_info.h>
-#include <libcockatrice/utility/key_signals.h>
 
 class CardDatabaseModel;
 class CardDatabaseDisplayModel;
diff --git a/cockatrice/src/interface/widgets/visual_database_display/visual_database_display_widget.h b/cockatrice/src/interface/widgets/visual_database_display/visual_database_display_widget.h
index 898f5ccff..c05c755f1 100644
--- a/cockatrice/src/interface/widgets/visual_database_display/visual_database_display_widget.h
+++ b/cockatrice/src/interface/widgets/visual_database_display/visual_database_display_widget.h
@@ -9,6 +9,7 @@
 
 #include "../../../filters/filter_tree_model.h"
 #include "../../../interface/widgets/tabs/abstract_tab_deck_editor.h"
+#include "../../key_signals.h"
 #include "../../layouts/flow_layout.h"
 #include "../cards/card_info_picture_with_text_overlay_widget.h"
 #include "../cards/card_size_widget.h"
@@ -30,7 +31,6 @@
 #include <libcockatrice/card/database/card_database.h>
 #include <libcockatrice/models/database/card_database_model.h>
 #include <libcockatrice/models/deck_list/deck_list_model.h>
-#include <libcockatrice/utility/key_signals.h>
 #include <qscrollarea.h>
 
 inline Q_LOGGING_CATEGORY(VisualDatabaseDisplayLog, "visual_database_display");
diff --git a/cockatrice/src/interface/window_main.cpp b/cockatrice/src/interface/window_main.cpp
index de6c90a98..4186f7ce7 100644
--- a/cockatrice/src/interface/window_main.cpp
+++ b/cockatrice/src/interface/window_main.cpp
@@ -36,6 +36,7 @@
 #include "../interface/widgets/tabs/tab_game.h"
 #include "../interface/widgets/tabs/tab_supervisor.h"
 #include "../main.h"
+#include "logger.h"
 #include "version_string.h"
 #include "widgets/utility/get_text_with_max.h"
 
@@ -71,7 +72,6 @@
 #include <libcockatrice/protocol/pb/game_replay.pb.h>
 #include <libcockatrice/protocol/pb/room_commands.pb.h>
 #include <libcockatrice/settings/cache_settings.h>
-#include <libcockatrice/utility/logger.h>
 
 #define GITHUB_PAGES_URL "https://cockatrice.github.io"
 #define GITHUB_CONTRIBUTORS_URL "https://github.com/Cockatrice/Cockatrice/graphs/contributors?type=c"
diff --git a/cockatrice/src/main.cpp b/cockatrice/src/main.cpp
index 2c79297ef..ecb915cee 100644
--- a/cockatrice/src/main.cpp
+++ b/cockatrice/src/main.cpp
@@ -23,6 +23,7 @@
 #include "QtNetwork/QNetworkInterface"
 #include "client/network/update/card_spoiler/spoiler_background_updater.h"
 #include "client/sound_engine.h"
+#include "interface/logger.h"
 #include "interface/pixel_map_generator.h"
 #include "interface/theme_manager.h"
 #include "interface/widgets/dialogs/dlg_settings.h"
@@ -44,7 +45,6 @@
 #include <libcockatrice/protocol/featureset.h>
 #include <libcockatrice/rng/rng_sfmt.h>
 #include <libcockatrice/settings/cache_settings.h>
-#include <libcockatrice/utility/logger.h>
 
 QTranslator *translator, *qtTranslator;
 RNG_Abstract *rng;
diff --git a/libcockatrice_utility/CMakeLists.txt b/libcockatrice_utility/CMakeLists.txt
index f1e1d4a62..0575c260f 100644
--- a/libcockatrice_utility/CMakeLists.txt
+++ b/libcockatrice_utility/CMakeLists.txt
@@ -5,27 +5,20 @@ set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTOUIC ON)
 set(CMAKE_AUTORCC ON)
 
-set(UTILITY_SOURCES
-    libcockatrice/utility/expression.cpp libcockatrice/utility/key_signals.cpp libcockatrice/utility/levenshtein.cpp
-    libcockatrice/utility/logger.cpp libcockatrice/utility/passwordhasher.cpp
+set(UTILITY_SOURCES libcockatrice/utility/expression.cpp libcockatrice/utility/levenshtein.cpp
+                    libcockatrice/utility/passwordhasher.cpp
 )
 
 set(UTILITY_HEADERS
-    libcockatrice/utility/color.h
-    libcockatrice/utility/expression.h
-    libcockatrice/utility/key_signals.h
-    libcockatrice/utility/levenshtein.h
-    libcockatrice/utility/logger.h
-    libcockatrice/utility/macros.h
-    libcockatrice/utility/passwordhasher.h
-    libcockatrice/utility/trice_limits.h
+    libcockatrice/utility/color.h libcockatrice/utility/expression.h libcockatrice/utility/levenshtein.h
+    libcockatrice/utility/macros.h libcockatrice/utility/passwordhasher.h libcockatrice/utility/trice_limits.h
 )
 
 add_library(libcockatrice_utility STATIC ${UTILITY_SOURCES} ${UTILITY_HEADERS})
 
 target_include_directories(libcockatrice_utility PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 
-target_link_libraries(libcockatrice_utility PUBLIC libcockatrice_rng ${COCKATRICE_QT_MODULES})
+target_link_libraries(libcockatrice_utility PUBLIC libcockatrice_rng ${QT_CORE_MODULE})
 
 set(ORACLE_LIBS)