diff --git a/include/gpu/GrBackendSurface.h b/include/gpu/GrBackendSurface.h
index 378646ebc1..af3b9ce290 100644
--- ./include/gpu/GrBackendSurface.h
+++ ./include/gpu/GrBackendSurface.h
@@ -74,9 +74,11 @@ public:
     GrBackendFormat(const GrBackendFormat&);
     GrBackendFormat& operator=(const GrBackendFormat&);
 
+#ifdef SK_GL
     static GrBackendFormat MakeGL(GrGLenum format, GrGLenum target) {
         return GrBackendFormat(format, target);
     }
+#endif
 
     static GrBackendFormat MakeVk(VkFormat format) {
         return GrBackendFormat(format, GrVkYcbcrConversionInfo());
diff --git a/include/gpu/gl/GrGLInterface.h b/include/gpu/gl/GrGLInterface.h
index 17655bdbed..ce0641f423 100644
--- ./include/gpu/gl/GrGLInterface.h
+++ ./include/gpu/gl/GrGLInterface.h
@@ -65,7 +65,9 @@ public:
 
     GrGLExtensions fExtensions;
 
+#ifdef SK_GL
     bool hasExtension(const char ext[]) const { return fExtensions.has(ext); }
+#endif
 
     /**
      * The function pointers are in a struct so that we can have a compiler generated assignment
diff --git a/src/gpu/gl/GrGLContext.h b/src/gpu/gl/GrGLContext.h
index 66bfe29331..034cd21838 100644
--- ./src/gpu/gl/GrGLContext.h
+++ ./src/gpu/gl/GrGLContext.h
@@ -45,9 +45,11 @@ public:
     const GrGLCaps* caps() const { return fGLCaps.get(); }
     GrGLCaps* caps() { return fGLCaps.get(); }
 
+#ifdef SK_GL
     bool hasExtension(const char* ext) const {
         return fInterface->hasExtension(ext);
     }
+#endif
 
     const GrGLExtensions& extensions() const { return fInterface->fExtensions; }
 
diff --git a/src/gpu/gl/GrGLGpu.h b/src/gpu/gl/GrGLGpu.h
index 8e550c36e6..27fb5efe9b 100644
--- ./src/gpu/gl/GrGLGpu.h
+++ ./src/gpu/gl/GrGLGpu.h
@@ -259,6 +259,7 @@ private:
     // compatible stencil format, or negative if there is no compatible stencil format.
     int getCompatibleStencilIndex(GrGLFormat format);
 
+#ifdef SK_GL
     GrBackendFormat getPreferredStencilFormat(const GrBackendFormat& format) override {
         int idx = this->getCompatibleStencilIndex(format.asGLFormat());
         if (idx < 0) {
@@ -267,6 +268,7 @@ private:
         return GrBackendFormat::MakeGL(GrGLFormatToEnum(this->glCaps().stencilFormats()[idx]),
                                        GR_GL_TEXTURE_NONE);
     }
+#endif
 
     void onFBOChanged();