diff --git a/GPU/GLES/VertexShaderGenerator.cpp b/GPU/GLES/VertexShaderGenerator.cpp
index ece49b8418..5ae1ad7a59 100644
--- a/GPU/GLES/VertexShaderGenerator.cpp
+++ b/GPU/GLES/VertexShaderGenerator.cpp
@@ -407,7 +407,6 @@ void GenerateVertexShader(int prim, char *buffer, bool useHWTransform) {
 
 			if (!specularIsZero) {
 				WRITE(p, "  lowp vec3 lightSum1 = vec3(0.0);\n");
-				WRITE(p, "  mediump vec3 halfVec;\n");
 			}
 			if (!diffuseIsZero) {
 				WRITE(p, "  vec3 toLight;\n");
@@ -470,8 +469,7 @@ void GenerateVertexShader(int prim, char *buffer, bool useHWTransform) {
 
 			WRITE(p, "  diffuse = (u_lightdiffuse%i * %s) * max(dot%i, 0.0);\n", i, diffuseStr, i);
 			if (doSpecular) {
-				WRITE(p, "  halfVec = normalize(toLight + vec3(0.0, 0.0, 1.0));\n");
-				WRITE(p, "  dot%i = dot(halfVec, worldnormal);\n", i);
+				WRITE(p, "  dot%i = dot(normalize(toLight + vec3(0.0, 0.0, 1.0)), worldnormal);\n", i);
 				WRITE(p, "  if (dot%i > 0.0)\n", i);
 				WRITE(p, "    lightSum1 += u_lightspecular%i * %s * (pow(dot%i, u_matspecular.a) %s);\n", i, specularStr, i, timesLightScale);
 			}
diff --git a/native b/native
index d1ce0e9c3e..31274a78c5 160000
--- a/native
+++ b/native
@@ -1 +1 @@
-Subproject commit d1ce0e9c3eaf75c9b8adacc01894bb6a01fcb942
+Subproject commit 31274a78c53fe0609ec4f50fb3daccdb4c89ceac