diff --git a/web/react/src/XyzacMachineView.tsx b/web/react/src/XyzacMachineView.tsx
index b7d98c1..eb29387 100644
--- a/web/react/src/XyzacMachineView.tsx
+++ b/web/react/src/XyzacMachineView.tsx
@@ -182,7 +182,6 @@ export function XyzacMachineView({ visual, toolpath, view = "p", zoom = 1, rotat
 
   const model = visual.machineModel;
   const coordinates = model?.coordinate_system ?? "XYZAC";
-  const axisLabels = [...coordinates];
   const controllerButton = (action: string, label: string, asset?: string, glyph?: string) => <button type="button" data-axis-control={`machine-${action}`} data-xyzac-machine-controller={action} title={label} aria-label={label} onClick={() => host.current?.xyzacMachineController?.[action]?.()}>{asset ? <img src={axisIcon(asset)} alt="" /> : glyph}</button>;
   return <div className="three-viewer xyzac-machine-view" ref={host} data-xyzac-preview="machine" data-xyzac-model-source="linuxcnc-wasm" data-xyzac-mouse-controls="left-rotate-middle-zoom-right-pan-wheel-zoom" data-xyzac-model-id={model?.id ?? ""} data-xyzac-model-source-path={model?.source_path ?? ""} data-xyzac-model-source-hash={model?.source_hash ?? ""} data-xyzac-authoritative={String(visual.authoritative)} data-xyzac-tick={visual.tick} data-xyzac-state-hash={visual.stateHash} data-xyzac-active-segment={visual.activeSegmentId ?? ""} data-xyzac-joints={JSON.stringify(visual.joints)} data-xyzac-offsets={JSON.stringify(visual.offsets)} aria-label={`${coordinates} TRT Vismach machine model`}>
     <div className="xyzac-view-controller xyzac-machine-controller" role="toolbar" aria-label="Machine 3D view controller">
@@ -193,7 +192,6 @@ export function XyzacMachineView({ visual, toolpath, view = "p", zoom = 1, rotat
       {controllerButton("rotateUp", "Rotate upward", undefined, "\u2b06")}{controllerButton("rotateDown", "Rotate downward", undefined, "\u2b07")}
       {controllerButton("reset", "Reset machine view", undefined, "\u21ba")}{controllerButton("tool", "Tool close-up", "tool_axis_z.gif")}
     </div>
-    <pre className="axis-preview-hud xyzac-machine-hud" aria-label={`${coordinates} authoritative visual state`}>{visual.authoritative ? `${coordinates} TRT\n${visual.joints.map((value, index) => `${axisLabels[index] ?? `J${index}`} ${value.toFixed(3)}`).join("\n")}\n${visual.joints.map((value, index) => `J${index} ${value.toFixed(3)}`).join("  ")}${showVelocity ? `\nV ${Number(visual.velocityMmMin ?? 0).toFixed(1)}` : ""}` : `${coordinates} TRT\nWASM state pending`}</pre>
   </div>;
 }
 
diff --git a/web/react/src/XyzacToolPreview.tsx b/web/react/src/XyzacToolPreview.tsx
index b944ee3..c2c9bf5 100644
--- a/web/react/src/XyzacToolPreview.tsx
+++ b/web/react/src/XyzacToolPreview.tsx
@@ -13,7 +13,6 @@ const sourcePoint = (point: Point) => new THREE.Vector3(Number(point.x ?? 0) * M
 
 export function XyzacToolPreview({ visual, view = "p", zoom = 1, rotateMode = false, showPath = true, showLive = true, showLimits = false, showVelocity = false, showOffsets = false, showExtents = false }: Props) {
   const host = useRef<HTMLDivElement>(null);
-  const hudRef = useRef<HTMLPreElement>(null);
   const visualRef = useRef(visual); visualRef.current = visual;
   const viewRef = useRef(view); viewRef.current = view;
   const zoomRef = useRef(zoom); zoomRef.current = zoom;
@@ -407,9 +406,6 @@ export function XyzacToolPreview({ visual, view = "p", zoom = 1, rotateMode = fa
       element.dataset.xyzacLimitsVisible = String(limitGrid.visible);
       element.dataset.xyzacExtentsVisible = String(extents.visible);
       element.dataset.xyzacOffset = JSON.stringify(offset);
-      const rotaryTiltAxis = String(state.machineModel?.coordinate_system ?? "XYZAC") === "XYZBC" ? "b" : "a";
-      if (hudRef.current) hudRef.current.textContent = `TOOL PREVIEW\nX ${Number(renderedPose.x).toFixed(3)}  Y ${Number(renderedPose.y).toFixed(3)}  Z ${Number(renderedPose.z).toFixed(3)}\n${rotaryTiltAxis.toUpperCase()} ${Number(renderedPose[rotaryTiltAxis]).toFixed(3)}  C ${Number(renderedPose.c).toFixed(3)}\nJ0 ${Number(renderedJoints[0] ?? 0).toFixed(3)}  J1 ${Number(renderedJoints[1] ?? 0).toFixed(3)}  J2 ${Number(renderedJoints[2] ?? 0).toFixed(3)}\nJ3 ${Number(renderedJoints[3] ?? 0).toFixed(3)}  J4 ${Number(renderedJoints[4] ?? 0).toFixed(3)}`;
-      if (layer.showVelocity && hudRef.current) hudRef.current.textContent += `\nV ${Number(state.velocityMmMin ?? 0).toFixed(1)} mm/min`;
       controls.mouseButtons.LEFT = rotateRef.current ? THREE.MOUSE.ROTATE : THREE.MOUSE.PAN;
       controls.update(); renderer.render(scene, camera); frame = requestAnimationFrame(render);
     };
@@ -417,14 +413,11 @@ export function XyzacToolPreview({ visual, view = "p", zoom = 1, rotateMode = fa
     return () => { cancelAnimationFrame(frame); observer.disconnect(); clearLines(pathGroup); clearLines(liveGroup); completed.dispose(); rapid.dispose(); live.dispose(); liveHistory.dispose(); originGroup.traverse((child) => { const mesh = child as THREE.Mesh; mesh.geometry?.dispose?.(); const material = mesh.material as (THREE.Material & { map?: THREE.Texture }) | undefined; material?.map?.dispose?.(); material?.dispose?.(); }); controls.dispose(); delete (element as typeof element & { xyzacController?: unknown }).xyzacController; renderer.dispose(); element.replaceChildren(); };
   }, []);
 
-  const pose = visual.pose;
   const helixCount = visual.toolpath.filter((segment) => (segment as { kind?: string }).kind === "helix").length;
   const sampleCount = visual.toolpath.reduce((count, segment) => count + (Array.isArray((segment as { samples?: unknown[] }).samples) ? (segment as { samples: unknown[] }).samples.length : 0), 0);
   const controllerButton = (action: string, label: string, glyph: string) => ["zoomIn", "zoomOut"].includes(action) ? null : <button type="button" data-axis-control={`preview-${action}`} data-xyzac-controller={action} title={label} aria-label={label} onClick={() => { const controller = (host.current as (HTMLDivElement & { xyzacController?: Record<string, () => void> }) | null)?.xyzacController; controller?.[action]?.(); }}>{glyph}</button>;
   const coordinates = String(visual.machineModel?.coordinate_system ?? "XYZAC");
-  const tiltAxis = coordinates === "XYZBC" ? "b" : "a";
-  const tiltLabel = tiltAxis.toUpperCase();
-  return <div className="three-viewer xyzac-tool-preview" ref={host} data-xyzac-authoritative={String(visual.authoritative)} data-xyzac-preview="toolpath" data-xyzac-controller="orbit" data-xyzac-origin="0,0,0" data-xyzac-origin-axes="X,Y,Z" data-xyzac-toolpath-count={visual.toolpath.length} data-xyzac-helix-count={helixCount} data-xyzac-sample-count={sampleCount} data-xyzac-samples-source="linuxcnc-wasm-sim_posemath_segment_point" data-xyzac-live-source="linuxcnc-source-tp" data-xyzac-live-progress={visual.activeProgress} data-xyzac-live-pose={JSON.stringify(visual.livePose)} data-xyzac-tick={visual.tick} data-xyzac-state-hash={visual.stateHash} data-xyzac-active-segment={visual.activeSegmentId ?? ""} data-xyzac-joints={JSON.stringify(visual.joints)} aria-label={`${coordinates} authoritative tool preview`}><div className="xyzac-view-controller" role="toolbar" aria-label="3D preview controller">{controllerButton("zoomIn", "Zoom in", "+")}{controllerButton("zoomOut", "Zoom out", "-")}<span className="xyzac-controller-divider" aria-hidden="true" />{controllerButton("panLeft", "Pan left", "L")}{controllerButton("panRight", "Pan right", "R")}{controllerButton("panUp", "Pan up", "U")}{controllerButton("panDown", "Pan down", "D")}<span className="xyzac-controller-divider" aria-hidden="true" />{controllerButton("reset", "Reset 3D view", "0")}</div><pre ref={hudRef} className="axis-preview-hud" aria-label={`${coordinates} tool preview state`}>{visual.authoritative ? `TOOL PREVIEW\nX ${Number(pose.x).toFixed(3)}  Y ${Number(pose.y).toFixed(3)}  Z ${Number(pose.z).toFixed(3)}\n${tiltLabel} ${Number(pose[tiltAxis] ?? 0).toFixed(3)}  C ${Number(pose.c).toFixed(3)}\nJ0 ${Number(visual.joints[0] ?? 0).toFixed(3)}  J1 ${Number(visual.joints[1] ?? 0).toFixed(3)}  J2 ${Number(visual.joints[2] ?? 0).toFixed(3)}\nJ3 ${Number(visual.joints[3] ?? 0).toFixed(3)}  J4 ${Number(visual.joints[4] ?? 0).toFixed(3)}` : "TOOL PREVIEW\nWASM state pending"}</pre></div>;
+  return <div className="three-viewer xyzac-tool-preview" ref={host} data-xyzac-authoritative={String(visual.authoritative)} data-xyzac-preview="toolpath" data-xyzac-controller="orbit" data-xyzac-origin="0,0,0" data-xyzac-origin-axes="X,Y,Z" data-xyzac-toolpath-count={visual.toolpath.length} data-xyzac-helix-count={helixCount} data-xyzac-sample-count={sampleCount} data-xyzac-samples-source="linuxcnc-wasm-sim_posemath_segment_point" data-xyzac-live-source="linuxcnc-source-tp" data-xyzac-live-progress={visual.activeProgress} data-xyzac-live-pose={JSON.stringify(visual.livePose)} data-xyzac-tick={visual.tick} data-xyzac-state-hash={visual.stateHash} data-xyzac-active-segment={visual.activeSegmentId ?? ""} data-xyzac-joints={JSON.stringify(visual.joints)} aria-label={`${coordinates} authoritative tool preview`}><div className="xyzac-view-controller" role="toolbar" aria-label="3D preview controller">{controllerButton("zoomIn", "Zoom in", "+")}{controllerButton("zoomOut", "Zoom out", "-")}<span className="xyzac-controller-divider" aria-hidden="true" />{controllerButton("panLeft", "Pan left", "L")}{controllerButton("panRight", "Pan right", "R")}{controllerButton("panUp", "Pan up", "U")}{controllerButton("panDown", "Pan down", "D")}<span className="xyzac-controller-divider" aria-hidden="true" />{controllerButton("reset", "Reset 3D view", "0")}</div></div>;
 }
 
 export function XyzacToolPreviewFromSnapshot({ snapshot, ...props }: Omit<Props, "visual"> & { snapshot: XyzacVisualSource | null | undefined }) {
diff --git a/web/react/src/test_xyzac_threejs.mjs b/web/react/src/test_xyzac_threejs.mjs
index 0cb2ac3..6e34359 100644
--- a/web/react/src/test_xyzac_threejs.mjs
+++ b/web/react/src/test_xyzac_threejs.mjs
@@ -5,8 +5,6 @@ import * as THREE from "three";
 import { buildXyzacMachine, buildXyzbcMachine } from "./xyzac-machine-model.ts";
 
 const source = await readFile(new URL("./XyzacMachineView.tsx", import.meta.url), "utf8") + await readFile(new URL("./xyzac-machine-model.ts", import.meta.url), "utf8");
-const panelSource = await readFile(new URL("./XyzacTrtPanel.tsx", import.meta.url), "utf8");
-const toolSource = await readFile(new URL("./XyzacToolPreview.tsx", import.meta.url), "utf8");
 const adapter = await readFile(new URL("./xyzac-visual-adapter.ts", import.meta.url), "utf8");
 const snapshot = {
   schema: "axis-panel-snapshot.v1",
@@ -47,11 +45,7 @@ assert.deepEqual(XYZAC_MACHINE_GROUPS, ["xyzac-machine", "table-x", "saddle-y",
 for (const token of ["table-x", "saddle-y", "spindle-z", "tilt-a", "rotate-c", "tool-offset", "tableX.position.x = -tableXJoint * MM", "saddle.position.z = -saddleYJoint * MM", "zslide.position.y = (200 - spindleZJoint) * MM", "tilt.rotation.x = -tiltAJoint * DEG", "rotate.rotation.y = -rotateCJoint * DEG", "tool.position.y = -state.offsets.tool_offset * MM", "data-xyzac-tick", "data-xyzac-state-hash", "data-xyzac-active-segment", "data-xyzac-joints", "data-xyzac-offsets"]) assert.ok(source.includes(token), token);
 for (const forbidden of [/accept\s*\(/, /postMessage\s*\(/, /_sim_/, /_malloc/, /navigator\.storage/, /HAL_SET/, /KINEMATICS_SELECT/]) assert.equal(forbidden.test(source), false, String(forbidden));
 assert.ok(adapter.includes("source: \"linuxcnc-wasm-worker\""));
-for (const token of ["J0", "J1", "J2", "J3", "J4"]) {
-  assert.ok(panelSource.includes("J{index}"), "panel joint label template");
-  assert.ok(toolSource.includes(token), `tool preview ${token}`);
-  assert.ok(source.includes("J${index}"), "machine preview joint label template");
-}
+assert.equal(source.includes("axis-preview-hud xyzac-machine-hud"), false, "machine preview HUD must stay empty");
 const close = (actual, expected) => assert.ok(Math.abs(actual - expected) < 1e-7, `${actual} != ${expected}`);
 const model = buildXyzacMachine();
 const xyzbcModel = buildXyzbcMachine();
diff --git a/web/react/src/test_xyzac_tool_preview.mjs b/web/react/src/test_xyzac_tool_preview.mjs
index bd3b112..1818fb7 100644
--- a/web/react/src/test_xyzac_tool_preview.mjs
+++ b/web/react/src/test_xyzac_tool_preview.mjs
@@ -19,7 +19,8 @@ assert.equal(visual.activeSegmentId, 3);
 assert.equal(visual.livePathEpoch, 7);
 for (const token of ["liveTrace = []", "playbackQueue = []", "queuedLastTick = -1", "liveTick = -1"]) assert.ok(source.includes(token), token);
 for (const token of ["renderedTick = state.tick", "paintedTick = renderedTick", "state.livePathEpoch !== livePathEpoch", "xyzacLivePathEpoch"]) assert.ok(source.includes(token), token);
-for (const token of ["xyzac-tool-preview", "xyzac-preview-toolpath", "xyzac-preview-live-toolpath", "xyzac-preview-tool", "xyzac-preview-tool-shaft", "xyzac-preview-tool-tip", "xyzac-origin-coordinate-system", "xyzac-origin-axis-${axis.label.toLowerCase()}", "xyzac-origin-label-${axis.label.toLowerCase()}", "OrbitControls", "enablePan", "enableRotate", "zoomIn", "panRight", "data-xyzac-controller=\"orbit\"", "data-xyzac-origin=\"0,0,0\"", "sourcePoint", "toolGroup.position.copy(pose)", "toolGroup.rotation.set(-Number(renderedPose.a ?? 0) * DEG, -Number(renderedPose.c ?? 0) * DEG, 0)", "const segments = state.toolpath as Segment[]", "activeSegment.samples.map(sourcePoint)", "segmentCandidatesBySourceLine", "candidates.length === 1", "state.activeProgress", "state.livePose", "motionTrace", "playbackQueue", "data-xyzac-preview=\"toolpath\"", "data-xyzac-helix-count", "data-xyzac-sample-count", "data-xyzac-samples-source", "data-xyzac-live-source", "data-xyzac-live-pose", "preserveDrawingBuffer: true", "authoritative tool preview"]) assert.ok(source.includes(token), token);
+for (const token of ["xyzac-tool-preview", "xyzac-preview-toolpath", "xyzac-preview-live-toolpath", "xyzac-preview-tool", "xyzac-preview-tool-shaft", "xyzac-preview-tool-tip", "xyzac-origin-coordinate-system", "xyzac-origin-axis-${axis.label.toLowerCase()}", "xyzac-origin-label-${axis.label.toLowerCase()}", "OrbitControls", "enablePan", "enableRotate", "zoomIn", "panRight", "data-xyzac-controller=\"orbit\"", "data-xyzac-origin=\"0,0,0\"", "sourcePoint", "toolGroup.position.copy(pose)", "const segments = state.toolpath as Segment[]", "activeSegment.samples.map(sourcePoint)", "segmentCandidatesBySourceLine", "candidates.length === 1", "state.activeProgress", "state.livePose", "motionTrace", "playbackQueue", "data-xyzac-preview=\"toolpath\"", "data-xyzac-helix-count", "data-xyzac-sample-count", "data-xyzac-samples-source", "data-xyzac-live-source", "data-xyzac-live-pose", "preserveDrawingBuffer: true", "authoritative tool preview"]) assert.ok(source.includes(token), token);
+assert.equal(source.includes("axis-preview-hud"), false, "tool preview HUD must stay empty");
 for (const forbidden of [/arcPoints/, /Math\.atan2/, /Quaternion/, /cross\(/]) assert.equal(forbidden.test(source), false, String(forbidden));
 for (const forbidden of [/xyzac-machine/, /table-x/, /saddle-y/, /spindle-z/, /accept\s*\(/, /postMessage\s*\(/, /_sim_/, /_malloc/, /navigator\.storage/]) assert.equal(forbidden.test(source), false, String(forbidden));
 console.log(JSON.stringify({ schema: "xyzac-tool-preview-rtcp-10b.v1", status: "verified", tick: visual.tick, state_hash: visual.stateHash, active_segment: visual.activeSegmentId, tool_pose: visual.pose, joints: visual.joints, machine_scene_nodes: 0, canonical_toolpath_segments: visual.toolpath.length, source: visual.source }));