diff --git a/scriptc/rs_core.rsh b/scriptc/rs_core.rsh
index 5a1c291..fdaa903 100644
--- a/scriptc/rs_core.rsh
+++ b/scriptc/rs_core.rsh
@@ -252,256 +252,6 @@
 extern void __attribute__((overloadable)) rsMatrixTranspose(rs_matrix2x2 *m);
 
 /////////////////////////////////////////////////////
-// quaternion ops
-/////////////////////////////////////////////////////
-
-_RS_STATIC void __attribute__((overloadable))
-rsQuaternionSet(rs_quaternion *q, float w, float x, float y, float z) {
-    q->w = w;
-    q->x = x;
-    q->y = y;
-    q->z = z;
-}
-
-_RS_STATIC void __attribute__((overloadable))
-rsQuaternionSet(rs_quaternion *q, const rs_quaternion *rhs) {
-    q->w = rhs->w;
-    q->x = rhs->x;
-    q->y = rhs->y;
-    q->z = rhs->z;
-}
-
-_RS_STATIC void __attribute__((overloadable))
-rsQuaternionMultiply(rs_quaternion *q, float s) {
-    q->w *= s;
-    q->x *= s;
-    q->y *= s;
-    q->z *= s;
-}
-
-_RS_STATIC void __attribute__((overloadable))
-rsQuaternionMultiply(rs_quaternion *q, const rs_quaternion *rhs) {
-    q->w = -q->x*rhs->x - q->y*rhs->y - q->z*rhs->z + q->w*rhs->w;
-    q->x =  q->x*rhs->w + q->y*rhs->z - q->z*rhs->y + q->w*rhs->x;
-    q->y = -q->x*rhs->z + q->y*rhs->w + q->z*rhs->x + q->w*rhs->y;
-    q->z =  q->x*rhs->y - q->y*rhs->x + q->z*rhs->w + q->w*rhs->z;
-}
-
-_RS_STATIC void
-rsQuaternionAdd(rs_quaternion *q, const rs_quaternion *rhs) {
-    q->w *= rhs->w;
-    q->x *= rhs->x;
-    q->y *= rhs->y;
-    q->z *= rhs->z;
-}
-
-_RS_STATIC void
-rsQuaternionLoadRotateUnit(rs_quaternion *q, float rot, float x, float y, float z) {
-    rot *= (float)(M_PI / 180.0f) * 0.5f;
-    float c = cos(rot);
-    float s = sin(rot);
-
-    q->w = c;
-    q->x = x * s;
-    q->y = y * s;
-    q->z = z * s;
-}
-
-_RS_STATIC void
-rsQuaternionLoadRotate(rs_quaternion *q, float rot, float x, float y, float z) {
-    const float len = x*x + y*y + z*z;
-    if (len != 1) {
-        const float recipLen = 1.f / sqrt(len);
-        x *= recipLen;
-        y *= recipLen;
-        z *= recipLen;
-    }
-    rsQuaternionLoadRotateUnit(q, rot, x, y, z);
-}
-
-_RS_STATIC void
-rsQuaternionConjugate(rs_quaternion *q) {
-    q->x = -q->x;
-    q->y = -q->y;
-    q->z = -q->z;
-}
-
-_RS_STATIC float
-rsQuaternionDot(const rs_quaternion *q0, const rs_quaternion *q1) {
-    return q0->w*q1->w + q0->x*q1->x + q0->y*q1->y + q0->z*q1->z;
-}
-
-_RS_STATIC void
-rsQuaternionNormalize(rs_quaternion *q) {
-    const float len = rsQuaternionDot(q, q);
-    if (len != 1) {
-        const float recipLen = 1.f / sqrt(len);
-        rsQuaternionMultiply(q, recipLen);
-    }
-}
-
-_RS_STATIC void
-rsQuaternionSlerp(rs_quaternion *q, const rs_quaternion *q0, const rs_quaternion *q1, float t) {
-    if (t <= 0.0f) {
-        rsQuaternionSet(q, q0);
-        return;
-    }
-    if (t >= 1.0f) {
-        rsQuaternionSet(q, q1);
-        return;
-    }
-
-    rs_quaternion tempq0, tempq1;
-    rsQuaternionSet(&tempq0, q0);
-    rsQuaternionSet(&tempq1, q1);
-
-    float angle = rsQuaternionDot(q0, q1);
-    if (angle < 0) {
-        rsQuaternionMultiply(&tempq0, -1.0f);
-        angle *= -1.0f;
-    }
-
-    float scale, invScale;
-    if (angle + 1.0f > 0.05f) {
-        if (1.0f - angle >= 0.05f) {
-            float theta = acos(angle);
-            float invSinTheta = 1.0f / sin(theta);
-            scale = sin(theta * (1.0f - t)) * invSinTheta;
-            invScale = sin(theta * t) * invSinTheta;
-        } else {
-            scale = 1.0f - t;
-            invScale = t;
-        }
-    } else {
-        rsQuaternionSet(&tempq1, tempq0.z, -tempq0.y, tempq0.x, -tempq0.w);
-        scale = sin(M_PI * (0.5f - t));
-        invScale = sin(M_PI * t);
-    }
-
-    rsQuaternionSet(q, tempq0.w*scale + tempq1.w*invScale, tempq0.x*scale + tempq1.x*invScale,
-                        tempq0.y*scale + tempq1.y*invScale, tempq0.z*scale + tempq1.z*invScale);
-}
-
-_RS_STATIC void rsQuaternionGetMatrixUnit(rs_matrix4x4 *m, const rs_quaternion *q) {
-    float x2 = 2.0f * q->x * q->x;
-    float y2 = 2.0f * q->y * q->y;
-    float z2 = 2.0f * q->z * q->z;
-    float xy = 2.0f * q->x * q->y;
-    float wz = 2.0f * q->w * q->z;
-    float xz = 2.0f * q->x * q->z;
-    float wy = 2.0f * q->w * q->y;
-    float wx = 2.0f * q->w * q->x;
-    float yz = 2.0f * q->y * q->z;
-
-    m->m[0] = 1.0f - y2 - z2;
-    m->m[1] = xy - wz;
-    m->m[2] = xz + wy;
-    m->m[3] = 0.0f;
-
-    m->m[4] = xy + wz;
-    m->m[5] = 1.0f - x2 - z2;
-    m->m[6] = yz - wx;
-    m->m[7] = 0.0f;
-
-    m->m[8] = xz - wy;
-    m->m[9] = yz - wx;
-    m->m[10] = 1.0f - x2 - y2;
-    m->m[11] = 0.0f;
-
-    m->m[12] = 0.0f;
-    m->m[13] = 0.0f;
-    m->m[14] = 0.0f;
-    m->m[15] = 1.0f;
-}
-
-/////////////////////////////////////////////////////
-// utility funcs
-/////////////////////////////////////////////////////
-__inline__ _RS_STATIC void __attribute__((overloadable, always_inline))
-rsExtractFrustumPlanes(const rs_matrix4x4 *modelViewProj,
-                         float4 *left, float4 *right,
-                         float4 *top, float4 *bottom,
-                         float4 *near, float4 *far) {
-    // x y z w = a b c d in the plane equation
-    left->x = modelViewProj->m[3] + modelViewProj->m[0];
-    left->y = modelViewProj->m[7] + modelViewProj->m[4];
-    left->z = modelViewProj->m[11] + modelViewProj->m[8];
-    left->w = modelViewProj->m[15] + modelViewProj->m[12];
-
-    right->x = modelViewProj->m[3] - modelViewProj->m[0];
-    right->y = modelViewProj->m[7] - modelViewProj->m[4];
-    right->z = modelViewProj->m[11] - modelViewProj->m[8];
-    right->w = modelViewProj->m[15] - modelViewProj->m[12];
-
-    top->x = modelViewProj->m[3] - modelViewProj->m[1];
-    top->y = modelViewProj->m[7] - modelViewProj->m[5];
-    top->z = modelViewProj->m[11] - modelViewProj->m[9];
-    top->w = modelViewProj->m[15] - modelViewProj->m[13];
-
-    bottom->x = modelViewProj->m[3] + modelViewProj->m[1];
-    bottom->y = modelViewProj->m[7] + modelViewProj->m[5];
-    bottom->z = modelViewProj->m[11] + modelViewProj->m[9];
-    bottom->w = modelViewProj->m[15] + modelViewProj->m[13];
-
-    near->x = modelViewProj->m[3] + modelViewProj->m[2];
-    near->y = modelViewProj->m[7] + modelViewProj->m[6];
-    near->z = modelViewProj->m[11] + modelViewProj->m[10];
-    near->w = modelViewProj->m[15] + modelViewProj->m[14];
-
-    far->x = modelViewProj->m[3] - modelViewProj->m[2];
-    far->y = modelViewProj->m[7] - modelViewProj->m[6];
-    far->z = modelViewProj->m[11] - modelViewProj->m[10];
-    far->w = modelViewProj->m[15] - modelViewProj->m[14];
-
-    float len = length(left->xyz);
-    *left /= len;
-    len = length(right->xyz);
-    *right /= len;
-    len = length(top->xyz);
-    *top /= len;
-    len = length(bottom->xyz);
-    *bottom /= len;
-    len = length(near->xyz);
-    *near /= len;
-    len = length(far->xyz);
-    *far /= len;
-}
-
-__inline__ _RS_STATIC bool __attribute__((overloadable, always_inline))
-rsIsSphereInFrustum(float4 *sphere,
-                      float4 *left, float4 *right,
-                      float4 *top, float4 *bottom,
-                      float4 *near, float4 *far) {
-
-    float distToCenter = dot(left->xyz, sphere->xyz) + left->w;
-    if (distToCenter < -sphere->w) {
-        return false;
-    }
-    distToCenter = dot(right->xyz, sphere->xyz) + right->w;
-    if (distToCenter < -sphere->w) {
-        return false;
-    }
-    distToCenter = dot(top->xyz, sphere->xyz) + top->w;
-    if (distToCenter < -sphere->w) {
-        return false;
-    }
-    distToCenter = dot(bottom->xyz, sphere->xyz) + bottom->w;
-    if (distToCenter < -sphere->w) {
-        return false;
-    }
-    distToCenter = dot(near->xyz, sphere->xyz) + near->w;
-    if (distToCenter < -sphere->w) {
-        return false;
-    }
-    distToCenter = dot(far->xyz, sphere->xyz) + far->w;
-    if (distToCenter < -sphere->w) {
-        return false;
-    }
-    return true;
-}
-
-
-/////////////////////////////////////////////////////
 // int ops
 /////////////////////////////////////////////////////