diff --git a/.github/workflows/real-binary-layout.yml b/.github/workflows/real-binary-layout.yml
index e8c244de6..8dd6f9866 100644
--- a/.github/workflows/real-binary-layout.yml
+++ b/.github/workflows/real-binary-layout.yml
@@ -12,10 +12,6 @@ on:
 permissions:
   contents: read
 
-concurrency:
-  group: real-binary-layout-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-
 env:
   NODE_OPTIONS: --max-old-space-size=768
   HUSKY: "0"
diff --git a/.github/workflows/real-browser.yml b/.github/workflows/real-browser.yml
index 76ba2e4a6..11a8b7a53 100644
--- a/.github/workflows/real-browser.yml
+++ b/.github/workflows/real-browser.yml
@@ -4,10 +4,6 @@ on:
   workflow_call:
   workflow_dispatch:
 
-concurrency:
-  group: real-browser-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
-
 env:
   HUSKY: "0"
 
diff --git a/.github/workflows/real-evm-interface.yml b/.github/workflows/real-evm-interface.yml
index 9e4cddeb4..b335f1391 100644
--- a/.github/workflows/real-evm-interface.yml
+++ b/.github/workflows/real-evm-interface.yml
@@ -7,10 +7,6 @@ on:
 permissions:
   contents: read
 
-concurrency:
-  group: real-evm-interface-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-
 env:
   NODE_OPTIONS: --max-old-space-size=768
   HUSKY: "0"
diff --git a/.github/workflows/real-javascript-recovery.yml b/.github/workflows/real-javascript-recovery.yml
index 4fee667d8..d94127d63 100644
--- a/.github/workflows/real-javascript-recovery.yml
+++ b/.github/workflows/real-javascript-recovery.yml
@@ -7,10 +7,6 @@ on:
 permissions:
   contents: read
 
-concurrency:
-  group: javascript-recovery-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
-
 env:
   HUSKY: "0"
   NODE_OPTIONS: "--max-old-space-size=768"
diff --git a/.github/workflows/real-recorded-crash.yml b/.github/workflows/real-recorded-crash.yml
index d4410bb24..dc56034c8 100644
--- a/.github/workflows/real-recorded-crash.yml
+++ b/.github/workflows/real-recorded-crash.yml
@@ -7,10 +7,6 @@ on:
 permissions:
   contents: read
 
-concurrency:
-  group: real-recorded-crash-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-
 env:
   NODE_OPTIONS: --max-old-space-size=768
   HUSKY: "0"
diff --git a/.github/workflows/real-web-network-captures.yml b/.github/workflows/real-web-network-captures.yml
index b888674f7..df340520d 100644
--- a/.github/workflows/real-web-network-captures.yml
+++ b/.github/workflows/real-web-network-captures.yml
@@ -7,10 +7,6 @@ on:
 permissions:
   contents: read
 
-concurrency:
-  group: real-web-network-captures-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-
 env:
   HUSKY: "0"
   NODE_OPTIONS: --max-old-space-size=768
diff --git a/.github/workflows/real-web-runtime.yml b/.github/workflows/real-web-runtime.yml
index c600e895c..0ecdb92c6 100644
--- a/.github/workflows/real-web-runtime.yml
+++ b/.github/workflows/real-web-runtime.yml
@@ -4,9 +4,6 @@ on:
   workflow_dispatch:
 permissions:
   contents: read
-concurrency:
-  group: real-web-runtime-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
 env:
   HUSKY: "0"
 jobs:
diff --git a/.github/workflows/real-web-source-map.yml b/.github/workflows/real-web-source-map.yml
index 483b2f712..b94662129 100644
--- a/.github/workflows/real-web-source-map.yml
+++ b/.github/workflows/real-web-source-map.yml
@@ -4,9 +4,6 @@ on:
   workflow_dispatch:
 permissions:
   contents: read
-concurrency:
-  group: real-web-source-map-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
 env:
   HUSKY: "0"
 jobs:
diff --git a/.github/workflows/website-check.yml b/.github/workflows/website-check.yml
index 8931ba418..2a2c5406f 100644
--- a/.github/workflows/website-check.yml
+++ b/.github/workflows/website-check.yml
@@ -7,10 +7,6 @@ on:
 permissions:
   contents: read
 
-concurrency:
-  group: website-check-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-
 jobs:
   check:
     name: Website checks
diff --git a/docs/testing.md b/docs/testing.md
index b1d0031f6..ca3210f47 100644
--- a/docs/testing.md
+++ b/docs/testing.md
@@ -776,7 +776,10 @@ should require this aggregate, `Static checks`, and `Portable tests`. Fast runs
 cancel superseded feedback for the same PR or main branch. Scheduled/manual
 qualification has a separate concurrency group: active work finishes and only
 the latest pending run is retained. Release qualification is grouped by its
-exact source SHA and cannot be cancelled by newer main pushes. Publication
+exact source SHA and cannot be cancelled by newer main pushes. Provider and
+website lanes inherit their caller's scheduling; reusable
+workflows have no independent cancellation group. Direct manual lane dispatches
+run independently on disposable hosted runners. Publication
 requires that qualification to succeed and consumes its exact verified tarball,
 checking source SHA, workflow run, run attempt, package/Node version and SHA-256
 before npm publication. Earlier attempts from the same workflow run are accepted
diff --git a/tests/boundary/filesystem/ciRequiredLanes.test.ts b/tests/boundary/filesystem/ciRequiredLanes.test.ts
index 6e30d8784..0e9457e1c 100644
--- a/tests/boundary/filesystem/ciRequiredLanes.test.ts
+++ b/tests/boundary/filesystem/ciRequiredLanes.test.ts
@@ -64,6 +64,29 @@ it("makes the required gate wait for every CI lane, including future additions",
   );
 });
 
+it("leaves cancellation ownership with CI so child lanes cannot cancel another tier", async () => {
+  const { jobs } = await workflow();
+  const children = Object.values(jobs).flatMap((job) =>
+    typeof job.uses === "string" && job.uses.startsWith("./.github/workflows/")
+      ? [job.uses]
+      : [],
+  );
+  expect(children.length).toBeGreaterThan(0);
+  for (const path of children) {
+    const child = z
+      .object({ concurrency: z.unknown().optional() })
+      .parse(
+        parse(
+          await readFile(new URL(`../../../${path}`, import.meta.url), "utf8"),
+        ),
+      );
+    expect(
+      child.concurrency,
+      `${path} must use caller scheduling`,
+    ).toBeUndefined();
+  }
+});
+
 it("keeps fast feedback separate from complete qualification and release proof", async () => {
   const ci = z
     .object({