diff --git a/src/Magnum/Platform/Test/XEglApplicationTest.cpp b/src/Magnum/Platform/Test/AbstractXApplicationTest.cpp
similarity index 84%
rename from src/Magnum/Platform/Test/XEglApplicationTest.cpp
rename to src/Magnum/Platform/Test/AbstractXApplicationTest.cpp
index 9d94b02d3..2c131dd71 100644
--- a/src/Magnum/Platform/Test/XEglApplicationTest.cpp
+++ b/src/Magnum/Platform/Test/AbstractXApplicationTest.cpp
@@ -26,14 +26,20 @@
 
 #include <Corrade/Utility/Arguments.h>
 
+#ifdef BUILD_GLXAPPLICATION
+#include "Magnum/Platform/GlxApplication.h"
+#elif defined(BUILD_XEGLAPPLICATION)
 #include "Magnum/Platform/XEglApplication.h"
+#else
+#error
+#endif
 
 namespace Magnum { namespace Platform { namespace Test { namespace {
 
 using namespace Containers::Literals;
 
-struct XEglApplicationTest: Platform::Application {
-    explicit XEglApplicationTest(const Arguments& arguments);
+struct AbstractXApplicationTest: Platform::Application {
+    explicit AbstractXApplicationTest(const Arguments& arguments);
 
     void drawEvent() override {
         Debug{} << "draw event";
@@ -41,7 +47,7 @@ struct XEglApplicationTest: Platform::Application {
     }
 };
 
-XEglApplicationTest::XEglApplicationTest(const Arguments& arguments): Platform::Application{arguments, NoCreate} {
+AbstractXApplicationTest::AbstractXApplicationTest(const Arguments& arguments): Platform::Application{arguments, NoCreate} {
     Utility::Arguments args;
     args.addSkippedPrefix("magnum", "engine-specific options")
         .addBooleanOption("exit-immediately").setHelp("exit-immediately", "exit the application immediately from the constructor, to test that the app doesn't run any event handlers after")
@@ -63,4 +69,4 @@ XEglApplicationTest::XEglApplicationTest(const Arguments& arguments): Platform::
 
 }}}}
 
-MAGNUM_APPLICATION_MAIN(Magnum::Platform::Test::XEglApplicationTest)
+MAGNUM_APPLICATION_MAIN(Magnum::Platform::Test::AbstractXApplicationTest)
diff --git a/src/Magnum/Platform/Test/CMakeLists.txt b/src/Magnum/Platform/Test/CMakeLists.txt
index f130b6bdc..ffd3834f5 100644
--- a/src/Magnum/Platform/Test/CMakeLists.txt
+++ b/src/Magnum/Platform/Test/CMakeLists.txt
@@ -120,7 +120,8 @@ if(MAGNUM_WITH_GLFWAPPLICATION)
 endif()
 
 if(MAGNUM_WITH_GLXAPPLICATION)
-    add_executable(PlatformGlxApplicationTest GlxApplicationTest.cpp)
+    add_executable(PlatformGlxApplicationTest AbstractXApplicationTest.cpp)
+    target_compile_definitions(PlatformGlxApplicationTest PRIVATE BUILD_GLXAPPLICATION)
     target_link_libraries(PlatformGlxApplicationTest PRIVATE MagnumGlxApplication)
 endif()
 
@@ -161,7 +162,8 @@ if(MAGNUM_WITH_SDL2APPLICATION)
 endif()
 
 if(MAGNUM_WITH_XEGLAPPLICATION)
-    add_executable(PlatformXEglApplicationTest XEglApplicationTest.cpp)
+    add_executable(PlatformXEglApplicationTest AbstractXApplicationTest.cpp)
+    target_compile_definitions(PlatformXEglApplicationTest PRIVATE BUILD_XEGLAPPLICATION)
     target_link_libraries(PlatformXEglApplicationTest PRIVATE MagnumXEglApplication)
 endif()
 
diff --git a/src/Magnum/Platform/Test/GlxApplicationTest.cpp b/src/Magnum/Platform/Test/GlxApplicationTest.cpp
deleted file mode 100644
index 693ac1606..000000000
--- a/src/Magnum/Platform/Test/GlxApplicationTest.cpp
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
-    This file is part of Magnum.
-
-    Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019,
-                2020, 2021, 2022, 2023, 2024
-              Vladimír Vondruš <mosra@centrum.cz>
-
-    Permission is hereby granted, free of charge, to any person obtaining a
-    copy of this software and associated documentation files (the "Software"),
-    to deal in the Software without restriction, including without limitation
-    the rights to use, copy, modify, merge, publish, distribute, sublicense,
-    and/or sell copies of the Software, and to permit persons to whom the
-    Software is furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included
-    in all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-    DEALINGS IN THE SOFTWARE.
-*/
-
-#include <Corrade/Utility/Arguments.h>
-
-#include "Magnum/Platform/GlxApplication.h"
-
-namespace Magnum { namespace Platform { namespace Test { namespace {
-
-using namespace Containers::Literals;
-
-struct GlxApplicationTest: Platform::Application {
-    explicit GlxApplicationTest(const Arguments& arguments);
-
-    void drawEvent() override {
-        Debug{} << "draw event";
-        swapBuffers();
-    }
-};
-
-GlxApplicationTest::GlxApplicationTest(const Arguments& arguments): Platform::Application{arguments, NoCreate} {
-    Utility::Arguments args;
-    args.addSkippedPrefix("magnum", "engine-specific options")
-        .addBooleanOption("exit-immediately").setHelp("exit-immediately", "exit the application immediately from the constructor, to test that the app doesn't run any event handlers after")
-        .addBooleanOption("quiet").setHelp("quiet", "like --magnum-log quiet, but specified via a Context::Configuration instead")
-        .parse(arguments.argc, arguments.argv);
-
-    if(args.isSet("exit-immediately")) {
-        exit();
-        return;
-    }
-
-    Configuration conf;
-    conf.setTitle("Window title that should have no exclamation mark!!"_s.exceptSuffix(2));
-    if(args.isSet("quiet"))
-        create(conf, GLConfiguration{}.addFlags(GLConfiguration::Flag::QuietLog));
-    else
-        create(conf);
-}
-
-}}}}
-
-MAGNUM_APPLICATION_MAIN(Magnum::Platform::Test::GlxApplicationTest)