diff --git a/CMakeLists.txt b/CMakeLists.txt
index 45b6039373..57cdee72e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -367,7 +367,12 @@ option(KWIN_BUILD_TABBOX "Enable building of KWin Tabbox functionality" ON)
 cmake_dependent_option(KWIN_BUILD_ACTIVITIES "Enable building of KWin with kactivities support" ON "KF6Activities_FOUND" OFF)
 cmake_dependent_option(KWIN_BUILD_RUNNERS "Enable building of KWin with krunner support" ON "KF6Runner_FOUND" OFF)
 
-set(HAVE_EPOXY_GLX ${epoxy_HAS_GLX})
+set(HAVE_GLX ${epoxy_HAS_GLX})
+get_target_property(QT_DISABLED_FEATURES Qt6::Gui QT_DISABLED_PUBLIC_FEATURES)
+if("xcb_glx_plugin" IN_LIST QT_DISABLED_FEATURES)
+    message(STATUS "Disable GLX because Qt6::Gui was built without xcb_glx_plugin")
+    set(HAVE_GLX false)
+endif()
 
 # for kwin internal things
 set(HAVE_X11_XCB ${X11_XCB_FOUND})
diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt
index 6e9d33e9cb..772ab4e20f 100644
--- a/autotests/CMakeLists.txt
+++ b/autotests/CMakeLists.txt
@@ -180,7 +180,7 @@ set(testOpenGLContextAttributeBuilder_SRCS
     opengl_context_attribute_builder_test.cpp
 )
 
-if (HAVE_EPOXY_GLX)
+if (HAVE_GLX)
     set(testOpenGLContextAttributeBuilder_SRCS ${testOpenGLContextAttributeBuilder_SRCS} ../src/backends/x11/standalone/x11_standalone_glx_context_attribute_builder.cpp)
 endif()
 add_executable(testOpenGLContextAttributeBuilder ${testOpenGLContextAttributeBuilder_SRCS})
diff --git a/autotests/opengl_context_attribute_builder_test.cpp b/autotests/opengl_context_attribute_builder_test.cpp
index dad07bc2ba..fcd832ced3 100644
--- a/autotests/opengl_context_attribute_builder_test.cpp
+++ b/autotests/opengl_context_attribute_builder_test.cpp
@@ -12,7 +12,7 @@
 #include <epoxy/egl.h>
 
 #include "libkwineffects/kwinconfig.h"
-#if HAVE_EPOXY_GLX
+#if HAVE_GLX
 #include "../src/backends/x11/standalone/x11_standalone_glx_context_attribute_builder.h"
 #include <epoxy/glx.h>
 
@@ -387,7 +387,7 @@ void OpenGLContextAttributeBuilderTest::testGles()
 
 void OpenGLContextAttributeBuilderTest::testGlx_data()
 {
-#if HAVE_EPOXY_GLX
+#if HAVE_GLX
     QTest::addColumn<bool>("requestVersion");
     QTest::addColumn<int>("major");
     QTest::addColumn<int>("minor");
@@ -442,7 +442,7 @@ void OpenGLContextAttributeBuilderTest::testGlx_data()
 
 void OpenGLContextAttributeBuilderTest::testGlx()
 {
-#if HAVE_EPOXY_GLX
+#if HAVE_GLX
     QFETCH(bool, requestVersion);
     QFETCH(int, major);
     QFETCH(int, minor);
diff --git a/src/backends/x11/standalone/CMakeLists.txt b/src/backends/x11/standalone/CMakeLists.txt
index 79f93c12ff..53fb8d1464 100644
--- a/src/backends/x11/standalone/CMakeLists.txt
+++ b/src/backends/x11/standalone/CMakeLists.txt
@@ -24,7 +24,7 @@ if (X11_Xi_FOUND)
     target_link_libraries(KWinX11Platform X11::Xi)
 endif()
 
-if (HAVE_EPOXY_GLX)
+if (HAVE_GLX)
     target_sources(KWinX11Platform PRIVATE
         x11_standalone_glx_backend.cpp
         x11_standalone_glx_context_attribute_builder.cpp
diff --git a/src/backends/x11/standalone/x11_standalone_backend.cpp b/src/backends/x11/standalone/x11_standalone_backend.cpp
index 2dd778f024..17a81c75c8 100644
--- a/src/backends/x11/standalone/x11_standalone_backend.cpp
+++ b/src/backends/x11/standalone/x11_standalone_backend.cpp
@@ -15,7 +15,7 @@
 #include "x11_standalone_edge.h"
 #include "x11_standalone_placeholderoutput.h"
 #include "x11_standalone_windowselector.h"
-#if HAVE_EPOXY_GLX
+#if HAVE_GLX
 #include "x11_standalone_glx_backend.h"
 #endif
 #if HAVE_X11_XINPUT
@@ -156,7 +156,7 @@ bool X11StandaloneBackend::initialize()
 std::unique_ptr<OpenGLBackend> X11StandaloneBackend::createOpenGLBackend()
 {
     switch (options->glPlatformInterface()) {
-#if HAVE_EPOXY_GLX
+#if HAVE_GLX
     case GlxPlatformInterface:
         if (hasGlx()) {
             return std::make_unique<GlxBackend>(m_x11Display, this);
@@ -258,7 +258,7 @@ void X11StandaloneBackend::createEffectsHandler(Compositor *compositor, Workspac
 QVector<CompositingType> X11StandaloneBackend::supportedCompositors() const
 {
     QVector<CompositingType> compositors;
-#if HAVE_EPOXY_GLX
+#if HAVE_GLX
     compositors << OpenGLCompositing;
 #endif
     compositors << NoCompositing;
diff --git a/src/backends/x11/standalone/x11_standalone_glx_backend.cpp b/src/backends/x11/standalone/x11_standalone_glx_backend.cpp
index faa5374941..ba81ac0cda 100644
--- a/src/backends/x11/standalone/x11_standalone_glx_backend.cpp
+++ b/src/backends/x11/standalone/x11_standalone_glx_backend.cpp
@@ -175,7 +175,7 @@ typedef void (*glXFuncPtr)();
 static glXFuncPtr getProcAddress(const char *name)
 {
     glXFuncPtr ret = nullptr;
-#if HAVE_EPOXY_GLX
+#if ENABLE_GLX
     ret = glXGetProcAddress((const GLubyte *)name);
 #endif
 #if HAVE_DL_LIBRARY
diff --git a/src/dbusinterface.cpp b/src/dbusinterface.cpp
index a794534703..b8486d0af3 100644
--- a/src/dbusinterface.cpp
+++ b/src/dbusinterface.cpp
@@ -336,7 +336,7 @@ QStringList CompositorDBusInterface::supportedOpenGLPlatformInterfaces() const
 {
     QStringList interfaces;
     bool supportsGlx = false;
-#if HAVE_EPOXY_GLX
+#if HAVE_GLX
     supportsGlx = (kwinApp()->operationMode() == Application::OperationModeX11);
 #endif
     if (QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGLES) {
diff --git a/src/libkwineffects/kwinconfig.h.cmake b/src/libkwineffects/kwinconfig.h.cmake
index 0f65da0bdc..b56c6b2c07 100644
--- a/src/libkwineffects/kwinconfig.h.cmake
+++ b/src/libkwineffects/kwinconfig.h.cmake
@@ -18,7 +18,7 @@
 
 */
 
-#cmakedefine01 HAVE_EPOXY_GLX
+#cmakedefine01 HAVE_GLX
 
 #cmakedefine01 HAVE_DL_LIBRARY
 
diff --git a/src/options.cpp b/src/options.cpp
index 541ab563db..0e9147317c 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -688,7 +688,7 @@ void Options::setGlPlatformInterface(OpenGLPlatformInterface interface)
         qCDebug(KWIN_CORE) << "Forcing EGL native interface for Wayland mode";
         interface = EglPlatformInterface;
     }
-#if !HAVE_EPOXY_GLX
+#if !HAVE_GLX
     qCDebug(KWIN_CORE) << "Forcing EGL native interface as compiled without GLX support";
     interface = EglPlatformInterface;
 #endif
diff --git a/src/workspace.cpp b/src/workspace.cpp
index 36910d970d..14f0f88ebf 100644
--- a/src/workspace.cpp
+++ b/src/workspace.cpp
@@ -1633,8 +1633,8 @@ QString Workspace::supportInformation() const
     support.append(KWIN_BUILD_ACTIVITIES ? yes : no);
     support.append(QStringLiteral("HAVE_X11_XCB: "));
     support.append(HAVE_X11_XCB ? yes : no);
-    support.append(QStringLiteral("HAVE_EPOXY_GLX: "));
-    support.append(HAVE_EPOXY_GLX ? yes : no);
+    support.append(QStringLiteral("HAVE_GLX: "));
+    support.append(HAVE_GLX ? yes : no);
     support.append(QStringLiteral("\n"));
 
     if (auto c = kwinApp()->x11Connection()) {