diff --git a/CMakeLists.txt b/CMakeLists.txt
index e3867e20bc..4a00970b9f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -203,21 +203,14 @@ set_package_properties(UDev PROPERTIES
 )
 
 find_package(Libdrm 2.4.62)
-set_package_properties(Libdrm PROPERTIES TYPE OPTIONAL PURPOSE "Required for drm output on Wayland.")
-set(HAVE_DRM FALSE)
-if (Libdrm_FOUND)
-    set(HAVE_DRM TRUE)
-endif()
+set_package_properties(Libdrm PROPERTIES TYPE REQUIRED PURPOSE "Required for drm output on Wayland.")
 
 find_package(gbm)
 set_package_properties(gbm PROPERTIES TYPE OPTIONAL PURPOSE "Required for egl output of drm backend.")
-set(HAVE_GBM FALSE)
-if (HAVE_DRM AND gbm_FOUND)
-    set(HAVE_GBM TRUE)
-endif()
+set(HAVE_GBM ${gbm_FOUND})
 
 option(KWIN_BUILD_EGL_STREAM_BACKEND "Enable building of EGLStream based DRM backend" ON)
-if (HAVE_DRM AND KWIN_BUILD_EGL_STREAM_BACKEND)
+if (KWIN_BUILD_EGL_STREAM_BACKEND)
     set(HAVE_EGL_STREAMS TRUE)
 endif()
 
diff --git a/src/config-kwin.h.cmake b/src/config-kwin.h.cmake
index 2f54718c0d..d399e02c15 100644
--- a/src/config-kwin.h.cmake
+++ b/src/config-kwin.h.cmake
@@ -16,7 +16,6 @@
 #define KWIN_XCLIPBOARD_SYNC_BIN "${CMAKE_INSTALL_FULL_LIBEXECDIR}/org_kde_kwin_xclipboard_syncer"
 #cmakedefine01 HAVE_X11_XCB
 #cmakedefine01 HAVE_X11_XINPUT
-#cmakedefine01 HAVE_DRM
 #cmakedefine01 HAVE_GBM
 #cmakedefine01 HAVE_EGL_STREAMS
 #cmakedefine01 HAVE_WAYLAND_EGL
diff --git a/src/main_wayland.cpp b/src/main_wayland.cpp
index fa1f2958c6..70f84a4079 100644
--- a/src/main_wayland.cpp
+++ b/src/main_wayland.cpp
@@ -289,9 +289,7 @@ void ApplicationWayland::startSession()
 static const QString s_waylandPlugin = QStringLiteral("KWinWaylandWaylandBackend");
 static const QString s_x11Plugin = QStringLiteral("KWinWaylandX11Backend");
 static const QString s_fbdevPlugin = QStringLiteral("KWinWaylandFbdevBackend");
-#if HAVE_DRM
 static const QString s_drmPlugin = QStringLiteral("KWinWaylandDrmBackend");
-#endif
 static const QString s_virtualPlugin = QStringLiteral("KWinWaylandVirtualBackend");
 
 
@@ -312,13 +310,11 @@ static QString automaticBackendSelection(SpawnMode spawnMode)
     if (qEnvironmentVariableIsSet("DISPLAY")) {
         return s_x11Plugin;
     }
-#if HAVE_DRM
     // Only default to drm when there's dri drivers. This way fbdev will be
     // used when running using nomodeset
     if (QFileInfo::exists("/dev/dri")) {
         return s_drmPlugin;
     }
-#endif
     return s_fbdevPlugin;
 }
 
@@ -439,9 +435,7 @@ int main(int argc, char * argv[])
     const bool hasVirtualOption = hasPlugin(KWin::s_virtualPlugin);
     const bool hasWaylandOption = hasPlugin(KWin::s_waylandPlugin);
     const bool hasFramebufferOption = hasPlugin(KWin::s_fbdevPlugin);
-#if HAVE_DRM
     const bool hasDrmOption = hasPlugin(KWin::s_drmPlugin);
-#endif
 
     QCommandLineOption xwaylandOption(QStringLiteral("xwayland"),
                                       i18n("Start a rootless Xwayland server."));
@@ -517,12 +511,10 @@ int main(int argc, char * argv[])
     QCommandLineOption libinputOption(QStringLiteral("libinput"),
                                       i18n("Enable libinput support for input events processing. Note: never use in a nested session.	(deprecated)"));
     parser.addOption(libinputOption);
-#if HAVE_DRM
     QCommandLineOption drmOption(QStringLiteral("drm"), i18n("Render through drm node."));
     if (hasDrmOption) {
         parser.addOption(drmOption);
     }
-#endif
 
     QCommandLineOption inputMethodOption(QStringLiteral("inputmethod"),
                                          i18n("Input method that KWin starts."),
@@ -594,11 +586,9 @@ int main(int argc, char * argv[])
     int outputCount = 1;
     qreal outputScale = 1;
 
-#if HAVE_DRM
     if (hasDrmOption && parser.isSet(drmOption)) {
         pluginName = KWin::s_drmPlugin;
     }
-#endif
 
     if (hasSizeOption) {
         bool ok = false;
diff --git a/src/plugins/platforms/CMakeLists.txt b/src/plugins/platforms/CMakeLists.txt
index dff63a766d..083bac7c39 100644
--- a/src/plugins/platforms/CMakeLists.txt
+++ b/src/plugins/platforms/CMakeLists.txt
@@ -1,6 +1,4 @@
-if (HAVE_DRM)
-    add_subdirectory(drm)
-endif()
+add_subdirectory(drm)
 if (HAVE_LINUX_FB_H)
     add_subdirectory(fbdev)
 endif()
diff --git a/src/workspace.cpp b/src/workspace.cpp
index 8190f2e57e..d4dc010006 100644
--- a/src/workspace.cpp
+++ b/src/workspace.cpp
@@ -1508,12 +1508,6 @@ QString Workspace::supportInformation() const
     support.append(yes);
 #else
     support.append(no);
-#endif
-    support.append(QStringLiteral("HAVE_DRM: "));
-#if HAVE_DRM
-    support.append(yes);
-#else
-    support.append(no);
 #endif
     support.append(QStringLiteral("HAVE_GBM: "));
 #if HAVE_GBM