diff --git a/cmake/FindQtRuntime.cmake b/cmake/FindQtRuntime.cmake
index c205ebdcf..42060c835 100644
--- a/cmake/FindQtRuntime.cmake
+++ b/cmake/FindQtRuntime.cmake
@@ -29,7 +29,9 @@ if(WITH_ORACLE)
   set(_ORACLE_NEEDED Concurrent Network Svg Widgets)
 endif()
 if(TEST)
-  set(_TEST_NEEDED Widgets)
+  # Union of Qt modules required across all test targets (independent of application targets).
+  # When adding a new test that needs additional Qt modules, add them here rather than in the test's CMakeLists.txt.
+  set(_TEST_NEEDED Concurrent Network Svg Widgets)
 endif()
 
 set(REQUIRED_QT_COMPONENTS ${REQUIRED_QT_COMPONENTS} ${_SERVATRICE_NEEDED} ${_COCKATRICE_NEEDED} ${_ORACLE_NEEDED}
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index d80ccce4f..c20973436 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,3 +1,5 @@
+# NOTE: Qt modules for tests are defined centrally in cmake/FindQtRuntime.cmake (the _TEST_NEEDED variable).
+# If a new test needs additional Qt modules, add them there — not in individual test CMakeLists.txt files.
 enable_testing()
 
 add_test(NAME dummy_test COMMAND dummy_test)
diff --git a/tests/carddatabase/CMakeLists.txt b/tests/carddatabase/CMakeLists.txt
index 2eb835a26..987e23cd5 100644
--- a/tests/carddatabase/CMakeLists.txt
+++ b/tests/carddatabase/CMakeLists.txt
@@ -6,13 +6,6 @@ project(CardDatabaseTests VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MI
 # ------------------------
 add_definitions("-DCARDDB_DATADIR=\"${CMAKE_CURRENT_SOURCE_DIR}/data/\"")
 
-# ------------------------
-# Qt modules
-# ------------------------
-set(TEST_QT_MODULES ${COCKATRICE_QT_VERSION_NAME}::Concurrent ${COCKATRICE_QT_VERSION_NAME}::Network
-                    ${COCKATRICE_QT_VERSION_NAME}::Widgets ${COCKATRICE_QT_VERSION_NAME}::Svg
-)
-
 # ------------------------
 # Card Database Test
 # ------------------------
diff --git a/tests/loading_from_clipboard/CMakeLists.txt b/tests/loading_from_clipboard/CMakeLists.txt
index 85133a8e8..719d62f45 100644
--- a/tests/loading_from_clipboard/CMakeLists.txt
+++ b/tests/loading_from_clipboard/CMakeLists.txt
@@ -5,10 +5,6 @@ if(NOT GTEST_FOUND)
   add_dependencies(loading_from_clipboard_test gtest)
 endif()
 
-set(TEST_QT_MODULES ${COCKATRICE_QT_VERSION_NAME}::Concurrent ${COCKATRICE_QT_VERSION_NAME}::Network
-                    ${COCKATRICE_QT_VERSION_NAME}::Widgets
-)
-
 target_link_libraries(
   loading_from_clipboard_test libcockatrice_deck_list libcockatrice_card Threads::Threads ${GTEST_BOTH_LIBRARIES}
   ${TEST_QT_MODULES}
diff --git a/tests/oracle/CMakeLists.txt b/tests/oracle/CMakeLists.txt
index b89663d6f..c5c1e9097 100644
--- a/tests/oracle/CMakeLists.txt
+++ b/tests/oracle/CMakeLists.txt
@@ -4,8 +4,6 @@ if(NOT GTEST_FOUND)
   add_dependencies(parse_cipt_test gtest)
 endif()
 
-set(TEST_QT_MODULES ${COCKATRICE_QT_VERSION_NAME}::Widgets)
-
 target_link_libraries(parse_cipt_test Threads::Threads ${GTEST_BOTH_LIBRARIES} ${TEST_QT_MODULES})
 
 add_test(NAME parse_cipt_test COMMAND parse_cipt_test)