diff --git a/include/EGL/eglext.h b/include/EGL/eglext.h
index 04facdfbce6..4e9c0dcf997 100644
--- a/include/EGL/eglext.h
+++ b/include/EGL/eglext.h
@@ -1362,17 +1362,6 @@ EGLAPI EGLuint64NV EGLAPIENTRY eglGetSystemTimeNV (void);
 #define EGL_NATIVE_SURFACE_TIZEN          0x32A1
 #endif /* EGL_TIZEN_image_native_surface */
 
-#ifndef EGL_EXT_image_flush_external
-#define EGL_EXT_image_flush_external 1
-#define EGL_IMAGE_EXTERNAL_FLUSH_EXT 0x32A2
-typedef EGLBoolean (EGLAPIENTRYP PFNEGLIMAGEFLUSHEXTERNALEXTPROC) (EGLDisplay dpy, EGLImageKHR image, const EGLAttrib *attrib_list);
-typedef EGLBoolean (EGLAPIENTRYP PFNEGLIMAGEINVALIDATEEXTERNALEXTPROC) (EGLDisplay dpy, EGLImageKHR image, const EGLAttrib *attrib_list);
-#ifdef EGL_EGLEXT_PROTOTYPES
-EGLAPI EGLBoolean EGLAPIENTRY eglImageFlushExternalEXT (EGLDisplay dpy, EGLImageKHR image, const EGLAttrib *attrib_list);
-EGLAPI EGLBoolean EGLAPIENTRY eglImageInvalidateExternalEXT (EGLDisplay dpy, EGLImageKHR image, const EGLAttrib *attrib_list);
-#endif
-#endif /* EGL_EXT_image_flush_external */
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/EGL/eglextchromium.h b/include/EGL/eglextchromium.h
index 0cc097658cf..69589436897 100644
--- a/include/EGL/eglextchromium.h
+++ b/include/EGL/eglextchromium.h
@@ -53,6 +53,17 @@ typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCVALUESCHROMIUMPROC)
 #endif
 #endif
 
+#ifndef EGL_EXT_image_flush_external
+#define EGL_EXT_image_flush_external 1
+#define EGL_IMAGE_EXTERNAL_FLUSH_EXT 0x32A2
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLIMAGEFLUSHEXTERNALEXTPROC) (EGLDisplay dpy, EGLImageKHR image, const EGLAttrib *attrib_list);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLIMAGEINVALIDATEEXTERNALEXTPROC) (EGLDisplay dpy, EGLImageKHR image, const EGLAttrib *attrib_list);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglImageFlushExternalEXT (EGLDisplay dpy, EGLImageKHR image, const EGLAttrib *attrib_list);
+EGLAPI EGLBoolean EGLAPIENTRY eglImageInvalidateExternalEXT (EGLDisplay dpy, EGLImageKHR image, const EGLAttrib *attrib_list);
+#endif
+#endif /* EGL_EXT_image_flush_external */
+
 #ifdef __cplusplus
 }
 #endif