diff --git a/services/surfaceflinger/RenderEngine/GLES10RenderEngine.cpp b/services/surfaceflinger/RenderEngine/GLES10RenderEngine.cpp
deleted file mode 100644
index 579affb..0000000
--- a/services/surfaceflinger/RenderEngine/GLES10RenderEngine.cpp
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <GLES/gl.h>
-
-#include <cutils/compiler.h>
-
-#include "GLES10RenderEngine.h"
-
-// ---------------------------------------------------------------------------
-namespace android {
-// ---------------------------------------------------------------------------
-
-GLES10RenderEngine::~GLES10RenderEngine() {
-}
-
-void GLES10RenderEngine::setupLayerBlending(
-#ifdef USE_HWC2
-    bool premultipliedAlpha, bool opaque, float alpha) {
-#else
-    bool premultipliedAlpha, bool opaque, int alpha) {
-#endif
-    // OpenGL ES 1.0 doesn't support texture combiners.
-    // This path doesn't properly handle opaque layers that have non-opaque
-    // alpha values. The alpha channel will be copied into the framebuffer or
-    // screenshot, so if the framebuffer or screenshot is blended on top of
-    // something else,  whatever is below the window will incorrectly show
-    // through.
-#ifdef USE_HWC2
-    if (CC_UNLIKELY(alpha < 1.0f)) {
-        if (premultipliedAlpha) {
-            glColor4f(alpha, alpha, alpha, alpha);
-        } else {
-            glColor4f(1.0f, 1.0f, 1.0f, alpha);
-        }
-#else
-    if (CC_UNLIKELY(alpha < 0xFF)) {
-        GLfloat floatAlpha = alpha * (1.0f / 255.0f);
-        if (premultipliedAlpha) {
-            glColor4f(floatAlpha, floatAlpha, floatAlpha, floatAlpha);
-        } else {
-            glColor4f(1.0f, 1.0f, 1.0f, floatAlpha);
-        }
-#endif
-        glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-    } else {
-        glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-    }
-
-#ifdef USE_HWC2
-    if (alpha < 1.0f || !opaque) {
-#else
-    if (alpha < 0xFF || !opaque) {
-#endif
-        glEnable(GL_BLEND);
-        glBlendFunc(premultipliedAlpha ? GL_ONE : GL_SRC_ALPHA,
-                    GL_ONE_MINUS_SRC_ALPHA);
-    } else {
-        glDisable(GL_BLEND);
-    }
-}
-
-// ---------------------------------------------------------------------------
-}; // namespace android
-// ---------------------------------------------------------------------------
diff --git a/services/surfaceflinger/RenderEngine/GLES10RenderEngine.h b/services/surfaceflinger/RenderEngine/GLES10RenderEngine.h
deleted file mode 100644
index 61abd6a..0000000
--- a/services/surfaceflinger/RenderEngine/GLES10RenderEngine.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-#ifndef SF_GLES10RENDERENGINE_H_
-#define SF_GLES10RENDERENGINE_H_
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include "GLES11RenderEngine.h"
-
-// ---------------------------------------------------------------------------
-namespace android {
-// ---------------------------------------------------------------------------
-
-class GLES10RenderEngine : public GLES11RenderEngine {
-    virtual ~GLES10RenderEngine();
-protected:
-#ifdef USE_HWC2
-    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,
-            float alpha) override;
-#else
-    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque, int alpha);
-#endif
-};
-
-// ---------------------------------------------------------------------------
-}; // namespace android
-// ---------------------------------------------------------------------------
-
-#endif /* SF_GLES10RENDERENGINE_H_ */
diff --git a/services/surfaceflinger/RenderEngine/GLES11RenderEngine.cpp b/services/surfaceflinger/RenderEngine/GLES11RenderEngine.cpp
deleted file mode 100644
index 847cdb3..0000000
--- a/services/surfaceflinger/RenderEngine/GLES11RenderEngine.cpp
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- * Copyright 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <GLES/gl.h>
-#include <GLES/glext.h>
-
-#include <ui/Rect.h>
-
-#include <utils/String8.h>
-#include <cutils/compiler.h>
-#include <gui/ISurfaceComposer.h>
-
-#include "GLES11RenderEngine.h"
-#include "Mesh.h"
-#include "Texture.h"
-
-// ---------------------------------------------------------------------------
-namespace android {
-// ---------------------------------------------------------------------------
-
-GLES11RenderEngine::GLES11RenderEngine() {
-
-    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
-    glGetIntegerv(GL_MAX_VIEWPORT_DIMS, mMaxViewportDims);
-
-    glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
-    glPixelStorei(GL_PACK_ALIGNMENT, 4);
-    glEnableClientState(GL_VERTEX_ARRAY);
-    glShadeModel(GL_FLAT);
-    glDisable(GL_DITHER);
-    glDisable(GL_CULL_FACE);
-
-    const uint16_t protTexData[] = { 0 };
-    glGenTextures(1, &mProtectedTexName);
-    glBindTexture(GL_TEXTURE_2D, mProtectedTexName);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 1, 1, 0,
-            GL_RGB, GL_UNSIGNED_SHORT_5_6_5, protTexData);
-}
-
-GLES11RenderEngine::~GLES11RenderEngine() {
-}
-
-
-size_t GLES11RenderEngine::getMaxTextureSize() const {
-    return mMaxTextureSize;
-}
-
-size_t GLES11RenderEngine::getMaxViewportDims() const {
-    return
-        mMaxViewportDims[0] < mMaxViewportDims[1] ?
-            mMaxViewportDims[0] : mMaxViewportDims[1];
-}
-
-void GLES11RenderEngine::setViewportAndProjection(
-        size_t vpw, size_t vph, Rect sourceCrop, size_t hwh, bool yswap,
-        Transform::orientation_flags rotation) {
-    glViewport(0, 0, vpw, vph);
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-
-    size_t l = sourceCrop.left;
-    size_t r = sourceCrop.right;
-
-    // In GL, (0, 0) is the bottom-left corner, so flip y coordinates
-    size_t t = hwh - sourceCrop.top;
-    size_t b = hwh - sourceCrop.bottom;
-
-    if (yswap) {
-        glOrthof(l, r, t, b, 0, 1);
-    } else {
-        glOrthof(l, r, b, t, 0, 1);
-    }
-
-    switch (rotation) {
-        case Transform::ROT_0:
-            break;
-        case Transform::ROT_90:
-            glRotatef(90, 0, 0, 1);
-            break;
-        case Transform::ROT_180:
-            glRotatef(180, 0, 0, 1);
-            break;
-        case Transform::ROT_270:
-            glRotatef(270, 0, 0, 1);
-            break;
-        default:
-            break;
-    }
-
-    glMatrixMode(GL_MODELVIEW);
-}
-
-#ifdef USE_HWC2
-void GLES11RenderEngine::setupLayerBlending(bool premultipliedAlpha,
-        bool opaque, float alpha) {
-#else
-void GLES11RenderEngine::setupLayerBlending(
-    bool premultipliedAlpha, bool opaque, int alpha) {
-#endif
-    GLenum combineRGB;
-    GLenum combineAlpha;
-    GLenum src0Alpha;
-    GLfloat envColor[4];
-
-#ifdef USE_HWC2
-    if (CC_UNLIKELY(alpha < 1.0f)) {
-#else
-    if (CC_UNLIKELY(alpha < 0xFF)) {
-#endif
-        // Cv = premultiplied ? Cs*alpha : Cs
-        // Av = !opaque       ? As*alpha : As
-        combineRGB   = premultipliedAlpha ? GL_MODULATE : GL_REPLACE;
-        combineAlpha = !opaque            ? GL_MODULATE : GL_REPLACE;
-        src0Alpha    = GL_CONSTANT;
-#ifdef USE_HWC2
-        envColor[0]  = alpha;
-#else
-        envColor[0]  = alpha * (1.0f / 255.0f);
-#endif
-    } else {
-        // Cv = Cs
-        // Av = opaque ? 1.0 : As
-        combineRGB   = GL_REPLACE;
-        combineAlpha = GL_REPLACE;
-        src0Alpha    = opaque ? GL_CONSTANT : GL_TEXTURE;
-        envColor[0]  = 1.0f;
-    }
-
-    glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
-    glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, combineRGB);
-    glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_TEXTURE);
-    glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
-    if (combineRGB == GL_MODULATE) {
-        glTexEnvi(GL_TEXTURE_ENV, GL_SRC1_RGB, GL_CONSTANT);
-        glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
-    }
-    glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, combineAlpha);
-    glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_ALPHA, src0Alpha);
-    glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
-    if (combineAlpha == GL_MODULATE) {
-        glTexEnvi(GL_TEXTURE_ENV, GL_SRC1_ALPHA, GL_TEXTURE);
-        glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_ALPHA);
-    }
-    if (combineRGB == GL_MODULATE || src0Alpha == GL_CONSTANT) {
-        envColor[1] = envColor[0];
-        envColor[2] = envColor[0];
-        envColor[3] = envColor[0];
-        glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, envColor);
-    }
-
-#ifdef USE_HWC2
-    if (alpha < 1.0f || !opaque) {
-#else
-    if (alpha < 0xFF || !opaque) {
-#endif
-        glEnable(GL_BLEND);
-        glBlendFunc(premultipliedAlpha ? GL_ONE : GL_SRC_ALPHA,
-                    GL_ONE_MINUS_SRC_ALPHA);
-    } else {
-        glDisable(GL_BLEND);
-    }
-}
-
-#ifdef USE_HWC2
-void GLES11RenderEngine::setupDimLayerBlending(float alpha) {
-#else
-void GLES11RenderEngine::setupDimLayerBlending(int alpha) {
-#endif
-    glDisable(GL_TEXTURE_EXTERNAL_OES);
-    glDisable(GL_TEXTURE_2D);
-#ifdef USE_HWC2
-    if (alpha == 1.0f) {
-#else
-    if (alpha == 0xFF) {
-#endif
-        glDisable(GL_BLEND);
-    } else {
-        glEnable(GL_BLEND);
-        glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
-    }
-#ifdef USE_HWC2
-    glColor4f(0, 0, 0, alpha);
-#else
-    glColor4f(0, 0, 0, alpha/255.0f);
-#endif
-}
-
-void GLES11RenderEngine::setupLayerTexturing(const Texture& texture) {
-    GLuint target = texture.getTextureTarget();
-    glBindTexture(target, texture.getTextureName());
-    GLenum filter = GL_NEAREST;
-    if (texture.getFiltering()) {
-        filter = GL_LINEAR;
-    }
-    glTexParameterx(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    glTexParameterx(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    glTexParameterx(target, GL_TEXTURE_MAG_FILTER, filter);
-    glTexParameterx(target, GL_TEXTURE_MIN_FILTER, filter);
-    glMatrixMode(GL_TEXTURE);
-    glLoadMatrixf(texture.getMatrix().asArray());
-    glMatrixMode(GL_MODELVIEW);
-    glDisable(GL_TEXTURE_2D);
-    glEnable(GL_TEXTURE_EXTERNAL_OES);
-}
-
-void GLES11RenderEngine::setupLayerBlackedOut() {
-    glBindTexture(GL_TEXTURE_2D, mProtectedTexName);
-    glMatrixMode(GL_TEXTURE);
-    glLoadIdentity();
-    glMatrixMode(GL_MODELVIEW);
-    glDisable(GL_TEXTURE_EXTERNAL_OES);
-    glEnable(GL_TEXTURE_2D);
-}
-
-void GLES11RenderEngine::disableTexturing() {
-    glDisable(GL_TEXTURE_EXTERNAL_OES);
-    glDisable(GL_TEXTURE_2D);
-}
-
-void GLES11RenderEngine::disableBlending() {
-    glDisable(GL_BLEND);
-}
-
-void GLES11RenderEngine::bindImageAsFramebuffer(EGLImageKHR image,
-        uint32_t* texName, uint32_t* fbName, uint32_t* status) {
-    GLuint tname, name;
-    // turn our EGLImage into a texture
-    glGenTextures(1, &tname);
-    glBindTexture(GL_TEXTURE_2D, tname);
-    glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)image);
-
-    // create a Framebuffer Object to render into
-    glGenFramebuffersOES(1, &name);
-    glBindFramebufferOES(GL_FRAMEBUFFER_OES, name);
-    glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES,
-            GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, tname, 0);
-
-    *status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
-    *texName = tname;
-    *fbName = name;
-}
-
-void GLES11RenderEngine::unbindFramebuffer(uint32_t texName, uint32_t fbName) {
-    glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
-    glDeleteFramebuffersOES(1, &fbName);
-    glDeleteTextures(1, &texName);
-}
-
-void GLES11RenderEngine::setupFillWithColor(float r, float g, float b, float a) {
-    glColor4f(r, g, b, a);
-    glDisable(GL_TEXTURE_EXTERNAL_OES);
-    glDisable(GL_TEXTURE_2D);
-    glDisable(GL_BLEND);
-}
-
-void GLES11RenderEngine::drawMesh(const Mesh& mesh) {
-    if (mesh.getTexCoordsSize()) {
-        glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-        glTexCoordPointer(mesh.getTexCoordsSize(),
-                GL_FLOAT,
-                mesh.getByteStride(),
-                mesh.getTexCoords());
-    }
-
-    glVertexPointer(mesh.getVertexSize(),
-            GL_FLOAT,
-            mesh.getByteStride(),
-            mesh.getPositions());
-
-    glDrawArrays(mesh.getPrimitive(), 0, mesh.getVertexCount());
-
-    if (mesh.getTexCoordsSize()) {
-        glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-    }
-}
-
-void GLES11RenderEngine::dump(String8& result) {
-    RenderEngine::dump(result);
-}
-
-// ---------------------------------------------------------------------------
-}; // namespace android
-// ---------------------------------------------------------------------------
-
-#if defined(__gl2_h_)
-#error "don't include gl2/gl2.h in this file"
-#endif
diff --git a/services/surfaceflinger/RenderEngine/GLES11RenderEngine.h b/services/surfaceflinger/RenderEngine/GLES11RenderEngine.h
deleted file mode 100644
index 4cd968d..0000000
--- a/services/surfaceflinger/RenderEngine/GLES11RenderEngine.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-#ifndef SF_GLES11RENDERENGINE_H_
-#define SF_GLES11RENDERENGINE_H_
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <GLES/gl.h>
-#include <Transform.h>
-
-#include "RenderEngine.h"
-
-// ---------------------------------------------------------------------------
-namespace android {
-// ---------------------------------------------------------------------------
-
-class String8;
-class Mesh;
-class Texture;
-
-class GLES11RenderEngine : public RenderEngine {
-    GLuint mProtectedTexName;
-    GLint mMaxViewportDims[2];
-    GLint mMaxTextureSize;
-
-    virtual void bindImageAsFramebuffer(EGLImageKHR image,
-            uint32_t* texName, uint32_t* fbName, uint32_t* status);
-    virtual void unbindFramebuffer(uint32_t texName, uint32_t fbName);
-
-public:
-    GLES11RenderEngine();
-
-protected:
-    virtual ~GLES11RenderEngine();
-
-    virtual void dump(String8& result);
-    virtual void setViewportAndProjection(size_t vpw, size_t vph,
-            Rect sourceCrop, size_t hwh, bool yswap,
-            Transform::orientation_flags rotation);
-#ifdef USE_HWC2
-    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,
-            float alpha) override;
-    virtual void setupDimLayerBlending(float alpha) override;
-#else
-    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,
-            int alpha);
-    virtual void setupDimLayerBlending(int alpha);
-#endif
-    virtual void setupLayerTexturing(const Texture& texture);
-    virtual void setupLayerBlackedOut();
-    virtual void setupFillWithColor(float r, float g, float b, float a) ;
-    virtual void disableTexturing();
-    virtual void disableBlending();
-
-    virtual void drawMesh(const Mesh& mesh);
-
-    virtual size_t getMaxTextureSize() const;
-    virtual size_t getMaxViewportDims() const;
-};
-
-// ---------------------------------------------------------------------------
-}; // namespace android
-// ---------------------------------------------------------------------------
-
-#endif /* SF_GLES11RENDERENGINE_H_ */
diff --git a/services/surfaceflinger/RenderEngine/RenderEngine.cpp b/services/surfaceflinger/RenderEngine/RenderEngine.cpp
index ed6f6cd..2b82d0e 100644
--- a/services/surfaceflinger/RenderEngine/RenderEngine.cpp
+++ b/services/surfaceflinger/RenderEngine/RenderEngine.cpp
@@ -19,8 +19,6 @@
 #include <ui/Region.h>
 
 #include "RenderEngine.h"
-#include "GLES10RenderEngine.h"
-#include "GLES11RenderEngine.h"
 #include "GLES20RenderEngine.h"
 #include "GLExtensions.h"
 #include "Mesh.h"
@@ -122,10 +120,8 @@
     RenderEngine* engine = NULL;
     switch (version) {
     case GLES_VERSION_1_0:
-        engine = new GLES10RenderEngine();
-        break;
     case GLES_VERSION_1_1:
-        engine = new GLES11RenderEngine();
+        LOG_ALWAYS_FATAL("SurfaceFlinger requires OpenGL ES 2.0 minimum to run.");
         break;
     case GLES_VERSION_2_0:
     case GLES_VERSION_3_0: