diff --git a/libs/renderengine/gl/GLESRenderEngine.cpp b/libs/renderengine/gl/GLESRenderEngine.cpp
index 6b6b0c0..279e648 100644
--- a/libs/renderengine/gl/GLESRenderEngine.cpp
+++ b/libs/renderengine/gl/GLESRenderEngine.cpp
@@ -15,6 +15,7 @@
  */
 
 //#define LOG_NDEBUG 0
+#include "EGL/egl.h"
 #undef LOG_TAG
 #define LOG_TAG "RenderEngine"
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
@@ -446,19 +447,34 @@
                                           mPlaceholderBuffer, attributes);
     ALOGE_IF(mPlaceholderImage == EGL_NO_IMAGE_KHR, "Failed to create placeholder image: %#x",
              eglGetError());
+
+    mShadowTexture = std::make_unique<GLShadowTexture>();
 }
 
 GLESRenderEngine::~GLESRenderEngine() {
     // Destroy the image manager first.
     mImageManager = nullptr;
+    mShadowTexture = nullptr;
     cleanFramebufferCache();
+    ProgramCache::getInstance().purgeCaches();
     std::lock_guard<std::mutex> lock(mRenderingMutex);
+    glDisableVertexAttribArray(Program::position);
     unbindFrameBuffer(mDrawingBuffer.get());
     mDrawingBuffer = nullptr;
     eglDestroyImageKHR(mEGLDisplay, mPlaceholderImage);
     mImageCache.clear();
-    eglDestroyContext(mEGLDisplay, mEGLContext);
-    eglDestroyContext(mEGLDisplay, mProtectedEGLContext);
+    if (mStubSurface != EGL_NO_SURFACE) {
+        eglDestroySurface(mEGLDisplay, mStubSurface);
+    }
+    if (mProtectedStubSurface != EGL_NO_SURFACE) {
+        eglDestroySurface(mEGLDisplay, mProtectedStubSurface);
+    }
+    if (mEGLContext != EGL_NO_CONTEXT) {
+        eglDestroyContext(mEGLDisplay, mEGLContext);
+    }
+    if (mProtectedEGLContext != EGL_NO_CONTEXT) {
+        eglDestroyContext(mEGLDisplay, mProtectedEGLContext);
+    }
     eglMakeCurrent(mEGLDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
     eglTerminate(mEGLDisplay);
     eglReleaseThread();
@@ -1803,7 +1819,7 @@
 
     mState.cornerRadius = 0.0f;
     mState.drawShadows = true;
-    setupLayerTexturing(mShadowTexture.getTexture());
+    setupLayerTexturing(mShadowTexture->getTexture());
     drawMesh(mesh);
     mState.drawShadows = false;
 }
diff --git a/libs/renderengine/gl/GLESRenderEngine.h b/libs/renderengine/gl/GLESRenderEngine.h
index c0449a1..92e1529 100644
--- a/libs/renderengine/gl/GLESRenderEngine.h
+++ b/libs/renderengine/gl/GLESRenderEngine.h
@@ -193,7 +193,7 @@
     GLuint mVpWidth;
     GLuint mVpHeight;
     Description mState;
-    GLShadowTexture mShadowTexture;
+    std::unique_ptr<GLShadowTexture> mShadowTexture = nullptr;
 
     mat4 mSrgbToXyz;
     mat4 mDisplayP3ToXyz;
@@ -294,7 +294,7 @@
     friend class BlurFilter;
     friend class GenericProgram;
     std::unique_ptr<FlushTracer> mFlushTracer;
-    std::unique_ptr<ImageManager> mImageManager = std::make_unique<ImageManager>(this);
+    std::unique_ptr<ImageManager> mImageManager;
 };
 
 } // namespace gl
diff --git a/libs/renderengine/gl/GLFramebuffer.cpp b/libs/renderengine/gl/GLFramebuffer.cpp
index 383486b..58d6caa 100644
--- a/libs/renderengine/gl/GLFramebuffer.cpp
+++ b/libs/renderengine/gl/GLFramebuffer.cpp
@@ -38,6 +38,7 @@
 }
 
 GLFramebuffer::~GLFramebuffer() {
+    setNativeWindowBuffer(nullptr, false, false);
     glDeleteFramebuffers(1, &mFramebufferName);
     glDeleteTextures(1, &mTextureName);
 }
diff --git a/libs/renderengine/gl/Program.cpp b/libs/renderengine/gl/Program.cpp
index a172c56..26f6166 100644
--- a/libs/renderengine/gl/Program.cpp
+++ b/libs/renderengine/gl/Program.cpp
@@ -82,6 +82,14 @@
     }
 }
 
+Program::~Program() {
+    glDetachShader(mProgram, mVertexShader);
+    glDetachShader(mProgram, mFragmentShader);
+    glDeleteShader(mVertexShader);
+    glDeleteShader(mFragmentShader);
+    glDeleteProgram(mProgram);
+}
+
 bool Program::isValid() const {
     return mInitialized;
 }
diff --git a/libs/renderengine/gl/Program.h b/libs/renderengine/gl/Program.h
index 4292645..41f1bf8 100644
--- a/libs/renderengine/gl/Program.h
+++ b/libs/renderengine/gl/Program.h
@@ -54,7 +54,7 @@
     };
 
     Program(const ProgramCache::Key& needs, const char* vertex, const char* fragment);
-    ~Program() = default;
+    ~Program();
 
     /* whether this object is usable */
     bool isValid() const;
diff --git a/libs/renderengine/gl/ProgramCache.h b/libs/renderengine/gl/ProgramCache.h
index 37bb651..535d21c 100644
--- a/libs/renderengine/gl/ProgramCache.h
+++ b/libs/renderengine/gl/ProgramCache.h
@@ -203,6 +203,8 @@
     // if none can be found.
     void useProgram(const EGLContext context, const Description& description);
 
+    void purgeCaches() { mCaches.clear(); }
+
 private:
     // compute a cache Key from a Description
     static Key computeKey(const Description& description);