diff --git a/src/applib/tests/CMakeLists.txt b/src/applib/tests/CMakeLists.txt
index 2793d19..dbc4f46 100644
--- a/src/applib/tests/CMakeLists.txt
+++ b/src/applib/tests/CMakeLists.txt
@@ -17,9 +17,8 @@ target_sources(applib_tests PRIVATE
 	test_app_pcrecpp.cpp
 	test_smartctl_version_parser.cpp
 )
-target_link_libraries(applib_tests
-	PUBLIC  # must be public as the target is an object library
-		applib
-		Catch2
+target_link_libraries(applib_tests PRIVATE
+	applib
+	Catch2
 )
 
diff --git a/src/hz/tests/CMakeLists.txt b/src/hz/tests/CMakeLists.txt
index 0016219..a627d2a 100644
--- a/src/hz/tests/CMakeLists.txt
+++ b/src/hz/tests/CMakeLists.txt
@@ -18,9 +18,8 @@ target_sources(hz_tests PRIVATE
 	test_string_algo.cpp
 	test_string_num.cpp
 )
-target_link_libraries(hz_tests
-	PUBLIC  # must be public as the target is an object library
-		hz
-		Catch2
+target_link_libraries(hz_tests PRIVATE
+	hz
+	Catch2
 )
 
diff --git a/src/test_all/CMakeLists.txt b/src/test_all/CMakeLists.txt
index 8b48526..7568e79 100644
--- a/src/test_all/CMakeLists.txt
+++ b/src/test_all/CMakeLists.txt
@@ -20,10 +20,9 @@ target_sources(test_all PRIVATE
 )
 target_link_libraries(test_all PRIVATE
 	libdebug
-	Catch2
-	# Object libraries containing tests
 	applib_tests
 	hz_tests
+	Catch2
 )
 
 if (NOT CMAKE_CROSSCOMPILING)