diff --git a/libkwineffects/kwinglutils.h b/libkwineffects/kwinglutils.h
--- a/libkwineffects/kwinglutils.h
+++ b/libkwineffects/kwinglutils.h
@@ -56,9 +56,6 @@
 // Cleans up all resources hold by the GL Context
 void KWINGLUTILS_EXPORT cleanupGL();
 
-// Number of supported texture units
-extern KWINGLUTILS_EXPORT int glTextureUnitsCount;
-
 
 bool KWINGLUTILS_EXPORT hasGLVersion(int major, int minor, int release = 0);
 // use for both OpenGL and GLX extensions
diff --git a/libkwineffects/kwinglutils.cpp b/libkwineffects/kwinglutils.cpp
--- a/libkwineffects/kwinglutils.cpp
+++ b/libkwineffects/kwinglutils.cpp
@@ -64,8 +64,6 @@
 static QList<QByteArray> glExtensions;
 static QList<QByteArray> s_eglExtensions;
 
-int glTextureUnitsCount;
-
 
 // Functions
 
@@ -100,8 +98,6 @@
     GLPlatform::cleanup();
 
     glExtensions.clear();
-
-    glTextureUnitsCount = 0;
 }
 
 bool hasGLVersion(int major, int minor, int release)