diff --git a/CMakeLists.txt b/CMakeLists.txt
index 69048056e..64b8ac75c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,7 +70,7 @@ if(NOT LIBMGBA_ONLY)
 	set(SKIP_LIBRARY OFF CACHE BOOL "Skip building the library (useful for only building libretro or OpenEmu cores)")
 	set(BUILD_GL ON CACHE BOOL "Build with OpenGL")
 	set(BUILD_GLES2 ON CACHE BOOL "Build with OpenGL|ES 2")
-	set(BUILD_GLES3 ON CACHE BOOL "Build with OpenGL|ES 3")
+	set(BUILD_GLES3 OFF CACHE BOOL "Build with OpenGL|ES 3")
 	set(USE_EPOXY ON CACHE STRING "Build with libepoxy")
 	set(DISABLE_DEPS OFF CACHE BOOL "Build without dependencies")
 	set(DISTBUILD OFF CACHE BOOL "Build distribution packages")
@@ -427,7 +427,6 @@ if(CMAKE_SYSTEM_NAME MATCHES ".*BSD|DragonFly")
 else()
 	find_feature(USE_EDITLINE "libedit")
 endif()
-
 if(BUILD_GL)
 	find_package(OpenGL QUIET)
 	if(NOT OPENGL_FOUND)
@@ -437,26 +436,18 @@ endif()
 if(NOT BUILD_GL)
 	set(OPENGL_LIBRARY "" CACHE PATH "" FORCE)
 endif()
-
-if(BUILD_GLES2 AND NOT BUILD_RASPI)
+if(BUILD_GLES2 AND NOT BUILD_RASPI AND NOT CMAKE_SYSTEM_NAME MATCHES "^(Windows|Darwin|Linux|.*BSD|DragonFly|Haiku)$")
 	find_path(OPENGLES2_INCLUDE_DIR NAMES GLES2/gl2.h)
 	find_library(OPENGLES2_LIBRARY NAMES GLESv2 GLESv2_CM)
 	if(NOT OPENGLES2_INCLUDE_DIR OR NOT OPENGLES2_LIBRARY)
 		set(BUILD_GLES2 OFF CACHE BOOL "OpenGL|ES 2 not found" FORCE)
 	endif()
 endif()
-if(BUILD_GLES3)
-	find_path(OPENGLES3_INCLUDE_DIR NAMES GLES3/gl3.h)
-	find_library(OPENGLES3_LIBRARY NAMES GLESv3 GLESv2)
-	if(NOT OPENGLES3_INCLUDE_DIR OR NOT OPENGLES3_LIBRARY)
-		set(BUILD_GLES3 OFF CACHE BOOL "OpenGL|ES 3 not found" FORCE)
-	endif()
+if(NOT BUILD_GLES2)
+	set(OPENGLES2_LIBRARY "" CACHE PATH "" FORCE)
 endif()
-
 if(BUILD_GL)
-	list(APPEND OS_SRC
-	     ${CMAKE_CURRENT_SOURCE_DIR}/src/platform/opengl/gl.c
-	     ${CMAKE_CURRENT_SOURCE_DIR}/src/platform/opengl/gles2.c)
+	list(APPEND OS_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/platform/opengl/gl.c)
 	list(APPEND DEPENDENCY_LIB ${OPENGL_LIBRARY})
 	include_directories(${OPENGL_INCLUDE_DIR})
 endif()
@@ -466,9 +457,11 @@ if(BUILD_GLES2)
 	include_directories(${OPENGLES2_INCLUDE_DIR})
 endif()
 if(BUILD_GLES3)
-	list(APPEND OS_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/platform/opengl/gles2.c)
-	list(APPEND DEPENDENCY_LIB ${OPENGLES3_LIBRARY})
-	include_directories(${OPENGLES3_INCLUDE_DIR})
+	find_path(OPENGLES3_INCLUDE_DIR NAMES GLES3/gl3.h)
+	find_library(OPENGLES3_LIBRARY NAMES GLESv3 GLESv2)
+	if(NOT OPENGLES3_INCLUDE_DIR OR NOT OPENGLES3_LIBRARY)
+		set(BUILD_GLES3 OFF CACHE BOOL "OpenGL|ES 3 not found" FORCE)
+	endif()
 endif()
 
 if(DISABLE_DEPS)
@@ -707,7 +700,7 @@ endif()
 
 if(USE_EPOXY)
 	list(APPEND OS_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/platform/opengl/gl.c ${CMAKE_CURRENT_SOURCE_DIR}/src/platform/opengl/gles2.c)
-	add_definitions(-DBUILD_GL -DBUILD_GLES2 -DBUILD_GLES3)
+	add_definitions(-DBUILD_GL -DBUILD_GLES2)
 	list(APPEND FEATURES EPOXY)
 	include_directories(AFTER ${EPOXY_INCLUDE_DIRS})
 	link_directories(${EPOXY_LIBRARY_DIRS})
@@ -904,7 +897,7 @@ else()
 endif()
 
 if(BUILD_GL)
-	add_definitions(-DBUILD_GL -DBUILD_GLES2 -DBUILD_GLES3)
+	add_definitions(-DBUILD_GL)
 endif()
 
 if(BUILD_GLES2)
diff --git a/include/mgba/internal/gba/renderers/gl.h b/include/mgba/internal/gba/renderers/gl.h
index f4a886fe9..9831f3def 100644
--- a/include/mgba/internal/gba/renderers/gl.h
+++ b/include/mgba/internal/gba/renderers/gl.h
@@ -16,7 +16,7 @@ CXX_GUARD_START
 #include <mgba/internal/gba/renderers/common.h>
 #include <mgba/internal/gba/video.h>
 
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 
 #ifdef USE_EPOXY
 #include <epoxy/gl.h>
diff --git a/src/gba/core.c b/src/gba/core.c
index b4377d90e..f78786562 100644
--- a/src/gba/core.c
+++ b/src/gba/core.c
@@ -18,7 +18,7 @@
 #ifndef DISABLE_THREADING
 #include <mgba/feature/thread-proxy.h>
 #endif
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 #include <mgba/internal/gba/renderers/gl.h>
 #endif
 #include <mgba/internal/gba/renderers/proxy.h>
@@ -131,7 +131,7 @@ struct GBACore {
 	struct mCore d;
 	struct GBAVideoRenderer dummyRenderer;
 	struct GBAVideoSoftwareRenderer renderer;
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 	struct GBAVideoGLRenderer glRenderer;
 #endif
 #ifndef MINIMAL_CORE
@@ -189,7 +189,7 @@ static bool _GBACoreInit(struct mCore* core) {
 	GBAVideoSoftwareRendererCreate(&gbacore->renderer);
 	gbacore->renderer.outputBuffer = NULL;
 
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 	GBAVideoGLRendererCreate(&gbacore->glRenderer);
 	gbacore->glRenderer.outputTex = -1;
 #endif
@@ -241,7 +241,7 @@ static bool _GBACoreSupportsFeature(const struct mCore* core, enum mCoreFeature
 	UNUSED(core);
 	switch (feature) {
 	case mCORE_FEATURE_OPENGL:
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 		return true;
 #else
 		return false;
@@ -353,7 +353,7 @@ static void _GBACoreReloadConfigOption(struct mCore* core, const char* option, c
 	}
 
 	struct GBACore* gbacore = (struct GBACore*) core;
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 	if (strcmp("videoScale", option) == 0) {
 		if (config != &core->config) {
 			mCoreConfigCopyValue(&core->config, config, "videoScale");
@@ -371,7 +371,7 @@ static void _GBACoreReloadConfigOption(struct mCore* core, const char* option, c
 		if (gbacore->renderer.outputBuffer) {
 			renderer = &gbacore->renderer.d;
 		}
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 		if (gbacore->glRenderer.outputTex != (unsigned) -1 && mCoreConfigGetIntValue(&core->config, "hwaccelVideo", &fakeBool) && fakeBool) {
 			mCoreConfigGetIntValue(&core->config, "videoScale", &gbacore->glRenderer.scale);
 			renderer = &gbacore->glRenderer.d;
@@ -393,7 +393,7 @@ static void _GBACoreReloadConfigOption(struct mCore* core, const char* option, c
 }
 
 static void _GBACoreDesiredVideoDimensions(const struct mCore* core, unsigned* width, unsigned* height) {
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 	const struct GBACore* gbacore = (const struct GBACore*) core;
 	int scale = gbacore->glRenderer.scale;
 #else
@@ -413,7 +413,7 @@ static void _GBACoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t s
 }
 
 static void _GBACoreSetVideoGLTex(struct mCore* core, unsigned texid) {
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 	struct GBACore* gbacore = (struct GBACore*) core;
 	gbacore->glRenderer.outputTex = texid;
 #else
@@ -547,7 +547,7 @@ static void _GBACoreReset(struct mCore* core) {
 	struct GBACore* gbacore = (struct GBACore*) core;
 	struct GBA* gba = (struct GBA*) core->board;
 	if (gbacore->renderer.outputBuffer
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 	    || gbacore->glRenderer.outputTex != (unsigned) -1
 #endif
 	) {
@@ -556,7 +556,7 @@ static void _GBACoreReset(struct mCore* core) {
 			renderer = &gbacore->renderer.d;
 		}
 		int fakeBool ATTRIBUTE_UNUSED;
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 		if (gbacore->glRenderer.outputTex != (unsigned) -1 && mCoreConfigGetIntValue(&core->config, "hwaccelVideo", &fakeBool) && fakeBool) {
 			mCoreConfigGetIntValue(&core->config, "videoScale", &gbacore->glRenderer.scale);
 			renderer = &gbacore->glRenderer.d;
diff --git a/src/gba/renderers/gl.c b/src/gba/renderers/gl.c
index 2695643ac..b75d91b2d 100644
--- a/src/gba/renderers/gl.c
+++ b/src/gba/renderers/gl.c
@@ -5,7 +5,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include <mgba/internal/gba/renderers/gl.h>
 
-#ifdef BUILD_GLES3
+#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 
 #include <mgba/core/cache-set.h>
 #include <mgba/internal/arm/macros.h>
diff --git a/src/platform/opengl/gles2.c b/src/platform/opengl/gles2.c
index be2e88142..a8052cab1 100644
--- a/src/platform/opengl/gles2.c
+++ b/src/platform/opengl/gles2.c
@@ -159,7 +159,6 @@ static void mGLES2ContextInit(struct VideoBackend* v, WHandle handle) {
 	mGLES2ShaderInit(&context->finalShader, 0, 0, 0, 0, false, 0, 0);
 	mGLES2ShaderInit(&context->interframeShader, 0, _interframeFragmentShader, -1, -1, false, 0, 0);
 
-#ifdef BUILD_GLES3
 	if (context->initialShader.vao != (GLuint) -1) {
 		glBindVertexArray(context->initialShader.vao);
 		glBindBuffer(GL_ARRAY_BUFFER, context->vbo);
@@ -169,7 +168,6 @@ static void mGLES2ContextInit(struct VideoBackend* v, WHandle handle) {
 		glBindBuffer(GL_ARRAY_BUFFER, context->vbo);
 		glBindVertexArray(0);
 	}
-#endif
 
 	glDeleteFramebuffers(1, &context->finalShader.fbo);
 	glDeleteTextures(1, &context->finalShader.tex);
@@ -307,12 +305,9 @@ void _drawShader(struct mGLES2Context* context, struct mGLES2Shader* shader) {
 	glUseProgram(shader->program);
 	glUniform1i(shader->texLocation, 0);
 	glUniform2f(shader->texSizeLocation, context->d.width - padW, context->d.height - padH);
-#ifdef BUILD_GLES3
 	if (shader->vao != (GLuint) -1) {
 		glBindVertexArray(shader->vao);
-	} else
-#endif
-	{
+	} else {
 		glBindBuffer(GL_ARRAY_BUFFER, context->vbo);
 		glEnableVertexAttribArray(shader->positionLocation);
 		glVertexAttribPointer(shader->positionLocation, 2, GL_FLOAT, GL_FALSE, 0, NULL);
@@ -404,11 +399,9 @@ void mGLES2ContextDrawFrame(struct VideoBackend* v) {
 	}
 	glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	glUseProgram(0);
-#ifdef BUILD_GLES3
 	if (context->finalShader.vao != (GLuint) -1) {
 		glBindVertexArray(0);
 	}
-#endif
 }
 
 void mGLES2ContextPostFrame(struct VideoBackend* v, const void* frame) {
@@ -523,7 +516,6 @@ void mGLES2ShaderInit(struct mGLES2Shader* shader, const char* vs, const char* f
 		shader->uniforms[i].location = glGetUniformLocation(shader->program, shader->uniforms[i].name);
 	}
 
-#ifdef BUILD_GLES3
 	const GLubyte* extensions = glGetString(GL_EXTENSIONS);
 	if (shaderBuffer[0] == _gles2Header || version[0] >= '3' || (extensions && strstr((const char*) extensions, "_vertex_array_object") != NULL)) {
 		glGenVertexArrays(1, &shader->vao);
@@ -531,9 +523,7 @@ void mGLES2ShaderInit(struct mGLES2Shader* shader, const char* vs, const char* f
 		glEnableVertexAttribArray(shader->positionLocation);
 		glVertexAttribPointer(shader->positionLocation, 2, GL_FLOAT, GL_FALSE, 0, NULL);
 		glBindVertexArray(0);
-	} else
-#endif
-	{
+	} else {
 		shader->vao = -1;
 	}
 
@@ -545,11 +535,9 @@ void mGLES2ShaderDeinit(struct mGLES2Shader* shader) {
 	glDeleteShader(shader->fragmentShader);
 	glDeleteProgram(shader->program);
 	glDeleteFramebuffers(1, &shader->fbo);
-#ifdef BUILD_GLES3
 	if (shader->vao != (GLuint) -1) {
 		glDeleteVertexArrays(1, &shader->vao);
 	}
-#endif
 }
 
 void mGLES2ShaderAttach(struct mGLES2Context* context, struct mGLES2Shader* shaders, size_t nShaders) {
@@ -567,20 +555,16 @@ void mGLES2ShaderAttach(struct mGLES2Context* context, struct mGLES2Shader* shad
 		glClearColor(0.f, 0.f, 0.f, 1.f);
 		glClear(GL_COLOR_BUFFER_BIT);
 
-#ifdef BUILD_GLES3
 		if (context->shaders[i].vao != (GLuint) -1) {
 			glBindVertexArray(context->shaders[i].vao);
 			glBindBuffer(GL_ARRAY_BUFFER, context->vbo);
 			glEnableVertexAttribArray(context->shaders[i].positionLocation);
 			glVertexAttribPointer(context->shaders[i].positionLocation, 2, GL_FLOAT, GL_FALSE, 0, NULL);
 		}
-#endif
 	}
-#ifdef BUILD_GLES3
 	if (context->initialShader.vao != (GLuint) -1) {
 		glBindVertexArray(0);
 	}
-#endif
 	glBindFramebuffer(GL_FRAMEBUFFER, 0);
 }
 
diff --git a/src/platform/opengl/gles2.h b/src/platform/opengl/gles2.h
index 51173cfa1..8cf5b2b0e 100644
--- a/src/platform/opengl/gles2.h
+++ b/src/platform/opengl/gles2.h
@@ -22,9 +22,6 @@ CXX_GUARD_START
 #endif
 #else
 #include <GLES2/gl2.h>
-#ifdef BUILD_GLES3
-#include <GLES3/gl3.h>
-#endif
 #endif
 
 #include "platform/video-backend.h"
diff --git a/src/platform/qt/CMakeLists.txt b/src/platform/qt/CMakeLists.txt
index 6a3aa9221..cba2de1d7 100644
--- a/src/platform/qt/CMakeLists.txt
+++ b/src/platform/qt/CMakeLists.txt
@@ -24,7 +24,7 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
 find_package(Qt5 COMPONENTS Core Widgets OpenGL Network Multimedia)
 
-if(NOT BUILD_GL AND NOT BUILD_GLES2 AND NOT BUILD_GLES3)
+if(NOT BUILD_GL AND NOT BUILD_GLES2)
 	message(WARNING "OpenGL is recommended to build the Qt port")
 endif()
 
@@ -241,7 +241,7 @@ if(NOT DEFINED DATADIR)
 		set(DATADIR ${CMAKE_INSTALL_DATADIR}/${BINARY_NAME})
 	endif()
 endif()
-if(BUILD_GLES2 OR BUILD_GLES3 OR BUILD_EPOXY)
+if(BUILD_GL OR BUILD_GLES2 OR BUILD_EPOXY)
 	install(DIRECTORY ${CMAKE_SOURCE_DIR}/res/shaders DESTINATION ${DATADIR} COMPONENT ${BINARY_NAME}-qt)
 endif()
 install(FILES ${CMAKE_SOURCE_DIR}/res/nointro.dat DESTINATION ${DATADIR} COMPONENT ${BINARY_NAME}-qt)
@@ -291,8 +291,8 @@ if(WIN32)
 endif()
 
 list(APPEND QT_LIBRARIES Qt5::Widgets Qt5::Network)
-if(BUILD_GL OR BUILD_GLES2 OR BUILD_GLES3 OR BUILD_EPOXY)
-	list(APPEND QT_LIBRARIES Qt5::OpenGL ${OPENGL_LIBRARY} ${OPENGLES2_LIBRARY} ${OPENGLES3_LIBRARY})
+if(BUILD_GL OR BUILD_GLES2 OR BUILD_EPOXY)
+	list(APPEND QT_LIBRARIES Qt5::OpenGL ${OPENGL_LIBRARY} ${OPENGLES2_LIBRARY})
 endif()
 if(QT_STATIC)
 	find_library(QTPCRE NAMES qtpcre2 qtpcre)
@@ -302,7 +302,7 @@ if(QT_STATIC)
 		endif()
 		list(APPEND QT_LIBRARIES Qt5::QWindowsIntegrationPlugin ${QWINDOWS_DEPS} dwmapi uxtheme imm32 -static-libgcc -static-libstdc++)
 		set_target_properties(Qt5::Core PROPERTIES INTERFACE_LINK_LIBRARIES "${QTPCRE};version;winmm;ssl;crypto;ws2_32;iphlpapi;crypt32;userenv;netapi32;wtsapi32")
-		set_target_properties(Qt5::Gui PROPERTIES INTERFACE_LINK_LIBRARIES ${OPENGL_LIBRARY} ${OPENGLES2_LIBRARY} ${OPENGLES3_LIBRARY})
+		set_target_properties(Qt5::Gui PROPERTIES INTERFACE_LINK_LIBRARIES ${OPENGL_LIBRARY} ${OPENGLES2_LIBRARY})
 	elseif(APPLE)
 		find_package(Cups)
 		find_package(Qt5PrintSupport)
diff --git a/src/platform/qt/Display.cpp b/src/platform/qt/Display.cpp
index 44ec240f7..3f916ec7b 100644
--- a/src/platform/qt/Display.cpp
+++ b/src/platform/qt/Display.cpp
@@ -10,21 +10,21 @@
 
 using namespace QGBA;
 
-#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(BUILD_GLES3) || defined(USE_EPOXY)
+#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
 Display::Driver Display::s_driver = Display::Driver::OPENGL;
 #else
 Display::Driver Display::s_driver = Display::Driver::QT;
 #endif
 
 Display* Display::create(QWidget* parent) {
-#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(BUILD_GLES3) || defined(USE_EPOXY)
+#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
 	QSurfaceFormat format;
 	format.setSwapInterval(1);
 	format.setSwapBehavior(QSurfaceFormat::DoubleBuffer);
 #endif
 
 	switch (s_driver) {
-#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(BUILD_GLES3) || defined(USE_EPOXY)
+#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
 	case Driver::OPENGL:
 		if (QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGLES) {
 			format.setVersion(3, 0);
@@ -44,7 +44,7 @@ Display* Display::create(QWidget* parent) {
 		return new DisplayQt(parent);
 
 	default:
-#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(BUILD_GLES3) || defined(USE_EPOXY)
+#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
 		return new DisplayGL(format, parent);
 #else
 		return new DisplayQt(parent);
diff --git a/src/platform/qt/Display.h b/src/platform/qt/Display.h
index 8c952a33f..5e2d26f6d 100644
--- a/src/platform/qt/Display.h
+++ b/src/platform/qt/Display.h
@@ -27,8 +27,12 @@ Q_OBJECT
 public:
 	enum class Driver {
 		QT = 0,
+#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(USE_EPOXY)
 		OPENGL = 1,
+#endif
+#ifdef BUILD_GL
 		OPENGL1 = 2,
+#endif
 	};
 
 	Display(QWidget* parent = nullptr);
diff --git a/src/platform/qt/DisplayGL.cpp b/src/platform/qt/DisplayGL.cpp
index cfccfb496..d1e619c09 100644
--- a/src/platform/qt/DisplayGL.cpp
+++ b/src/platform/qt/DisplayGL.cpp
@@ -5,7 +5,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "DisplayGL.h"
 
-#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(BUILD_GLES3)
+#if defined(BUILD_GL) || defined(BUILD_GLES2)
 
 #include "CoreController.h"
 
@@ -23,7 +23,7 @@
 #ifdef BUILD_GL
 #include "platform/opengl/gl.h"
 #endif
-#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
+#ifdef BUILD_GLES2
 #include "platform/opengl/gles2.h"
 #ifdef _WIN32
 #include <epoxy/wgl.h>
@@ -265,7 +265,7 @@ PainterGL::PainterGL(QWindow* surface, QOpenGLContext* parent, int forceVersion)
 #ifdef BUILD_GL
 	mGLContext* glBackend;
 #endif
-#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
+#ifdef BUILD_GLES2
 	mGLES2Context* gl2Backend;
 #endif
 
@@ -284,7 +284,7 @@ PainterGL::PainterGL(QWindow* surface, QOpenGLContext* parent, int forceVersion)
 	epoxy_handle_external_wglMakeCurrent();
 #endif
 
-#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
+#ifdef BUILD_GLES2
 	auto version = m_gl->format().version();
 	QStringList extensions = QString(reinterpret_cast<const char*>(glGetString(GL_EXTENSIONS))).split(' ');
 	if (forceVersion != 1 && ((version == qMakePair(2, 1) && extensions.contains("GL_ARB_framebuffer_object")) || version.first > 2)) {
@@ -316,7 +316,7 @@ PainterGL::PainterGL(QWindow* surface, QOpenGLContext* parent, int forceVersion)
 	};
 
 	m_backend->init(m_backend, 0);
-#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
+#ifdef BUILD_GLES2
 	if (m_supportsShaders) {
 		m_shader.preprocessShader = static_cast<void*>(&reinterpret_cast<mGLES2Context*>(m_backend)->initialShader);
 	}
@@ -337,7 +337,7 @@ PainterGL::~PainterGL() {
 #if defined(_WIN32) && defined(USE_EPOXY)
 	epoxy_handle_external_wglMakeCurrent();
 #endif
-#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
+#ifdef BUILD_GLES2
 	if (m_shader.passes) {
 		mGLES2ShaderFree(&m_shader);
 	}
@@ -411,7 +411,7 @@ void PainterGL::start() {
 	epoxy_handle_external_wglMakeCurrent();
 #endif
 
-#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
+#ifdef BUILD_GLES2
 	if (m_supportsShaders && m_shader.passes) {
 		mGLES2ShaderAttach(reinterpret_cast<mGLES2Context*>(m_backend), static_cast<mGLES2Shader*>(m_shader.passes), m_shader.nPasses);
 	}
@@ -552,7 +552,7 @@ void PainterGL::setShaders(struct VDir* dir) {
 	if (!supportsShaders()) {
 		return;
 	}
-#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
+#ifdef BUILD_GLES2
 	if (!m_started) {
 		m_gl->makeCurrent(m_surface);
 #if defined(_WIN32) && defined(USE_EPOXY)
@@ -576,7 +576,7 @@ void PainterGL::clearShaders() {
 	if (!supportsShaders()) {
 		return;
 	}
-#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
+#ifdef BUILD_GLES2
 	if (!m_started) {
 		m_gl->makeCurrent(m_surface);
 #if defined(_WIN32) && defined(USE_EPOXY)
@@ -598,7 +598,7 @@ VideoShader* PainterGL::shaders() {
 }
 
 int PainterGL::glTex() {
-#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
+#ifdef BUILD_GLES2
 	if (supportsShaders()) {
 		mGLES2Context* gl2Backend = reinterpret_cast<mGLES2Context*>(m_backend);
 		return gl2Backend->tex;
diff --git a/src/platform/qt/DisplayGL.h b/src/platform/qt/DisplayGL.h
index cb6ba3222..84463069a 100644
--- a/src/platform/qt/DisplayGL.h
+++ b/src/platform/qt/DisplayGL.h
@@ -5,7 +5,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #pragma once
 
-#if defined(BUILD_GL) || defined(BUILD_GLES2) || defined(BUILD_GLES3)
+#if defined(BUILD_GL) || defined(BUILD_GLES2)
 
 #include "Display.h"