diff --git a/src/plugin/event.ts b/src/plugin/event.ts
index 248f207a..110c3b97 100644
--- a/src/plugin/event.ts
+++ b/src/plugin/event.ts
@@ -130,7 +130,6 @@ export function createEventHandler(args: {
     await Promise.resolve(hooks.ralphLoop?.event?.(input))
     await Promise.resolve(hooks.stopContinuationGuard?.event?.(input))
     await Promise.resolve(hooks.compactionTodoPreserver?.event?.(input))
-    await Promise.resolve(hooks.writeExistingFileGuard?.event?.(input))
     await Promise.resolve(hooks.atlasHook?.handler?.(input))
   }
 
diff --git a/src/plugin/hooks/create-session-hooks.ts b/src/plugin/hooks/create-session-hooks.ts
index 0ae0bca1..6057bf65 100644
--- a/src/plugin/hooks/create-session-hooks.ts
+++ b/src/plugin/hooks/create-session-hooks.ts
@@ -15,7 +15,6 @@ import {
   createInteractiveBashSessionHook,
   createRalphLoopHook,
   createEditErrorRecoveryHook,
-  createJsonErrorRecoveryHook,
   createDelegateTaskRetryHook,
   createTaskResumeInfoHook,
   createStartWorkHook,
@@ -51,7 +50,6 @@ export type SessionHooks = {
   interactiveBashSession: ReturnType<typeof createInteractiveBashSessionHook> | null
   ralphLoop: ReturnType<typeof createRalphLoopHook> | null
   editErrorRecovery: ReturnType<typeof createEditErrorRecoveryHook> | null
-  jsonErrorRecovery: ReturnType<typeof createJsonErrorRecoveryHook> | null
   delegateTaskRetry: ReturnType<typeof createDelegateTaskRetryHook> | null
   startWork: ReturnType<typeof createStartWorkHook> | null
   prometheusMdOnly: ReturnType<typeof createPrometheusMdOnlyHook> | null
@@ -212,10 +210,6 @@ export function createSessionHooks(args: {
     ? safeHook("edit-error-recovery", () => createEditErrorRecoveryHook(ctx))
     : null
 
-  const jsonErrorRecovery = isHookEnabled("json-error-recovery")
-    ? safeHook("json-error-recovery", () => createJsonErrorRecoveryHook(ctx))
-    : null
-
   const delegateTaskRetry = isHookEnabled("delegate-task-retry")
     ? safeHook("delegate-task-retry", () => createDelegateTaskRetryHook(ctx))
     : null
@@ -268,7 +262,6 @@ export function createSessionHooks(args: {
     interactiveBashSession,
     ralphLoop,
     editErrorRecovery,
-    jsonErrorRecovery,
     delegateTaskRetry,
     startWork,
     prometheusMdOnly,
diff --git a/src/plugin/hooks/create-tool-guard-hooks.ts b/src/plugin/hooks/create-tool-guard-hooks.ts
index 521e3675..3cc4d517 100644
--- a/src/plugin/hooks/create-tool-guard-hooks.ts
+++ b/src/plugin/hooks/create-tool-guard-hooks.ts
@@ -12,7 +12,6 @@ import {
   createTasksTodowriteDisablerHook,
   createWriteExistingFileGuardHook,
   createHashlineReadEnhancerHook,
-  createHashlineEditDiffEnhancerHook,
 } from "../../hooks"
 import {
   getOpenCodeVersion,
@@ -32,7 +31,6 @@ export type ToolGuardHooks = {
   tasksTodowriteDisabler: ReturnType<typeof createTasksTodowriteDisablerHook> | null
   writeExistingFileGuard: ReturnType<typeof createWriteExistingFileGuardHook> | null
   hashlineReadEnhancer: ReturnType<typeof createHashlineReadEnhancerHook> | null
-  hashlineEditDiffEnhancer: ReturnType<typeof createHashlineEditDiffEnhancerHook> | null
 }
 
 export function createToolGuardHooks(args: {
@@ -101,10 +99,6 @@ export function createToolGuardHooks(args: {
     ? safeHook("hashline-read-enhancer", () => createHashlineReadEnhancerHook(ctx, { hashline_edit: { enabled: pluginConfig.hashline_edit ?? true } }))
     : null
 
-  const hashlineEditDiffEnhancer = isHookEnabled("hashline-edit-diff-enhancer")
-    ? safeHook("hashline-edit-diff-enhancer", () => createHashlineEditDiffEnhancerHook({ hashline_edit: { enabled: pluginConfig.hashline_edit ?? true } }))
-    : null
-
   return {
     commentChecker,
     toolOutputTruncator,
@@ -115,6 +109,5 @@ export function createToolGuardHooks(args: {
     tasksTodowriteDisabler,
     writeExistingFileGuard,
     hashlineReadEnhancer,
-    hashlineEditDiffEnhancer,
   }
 }
diff --git a/src/plugin/tool-execute-after.ts b/src/plugin/tool-execute-after.ts
index a6b6fae2..31f20f59 100644
--- a/src/plugin/tool-execute-after.ts
+++ b/src/plugin/tool-execute-after.ts
@@ -40,11 +40,9 @@ export function createToolExecuteAfterHandler(args: {
     await hooks.categorySkillReminder?.["tool.execute.after"]?.(input, output)
     await hooks.interactiveBashSession?.["tool.execute.after"]?.(input, output)
     await hooks.editErrorRecovery?.["tool.execute.after"]?.(input, output)
-    await hooks.jsonErrorRecovery?.["tool.execute.after"]?.(input, output)
     await hooks.delegateTaskRetry?.["tool.execute.after"]?.(input, output)
     await hooks.atlasHook?.["tool.execute.after"]?.(input, output)
     await hooks.taskResumeInfo?.["tool.execute.after"]?.(input, output)
     await hooks.hashlineReadEnhancer?.["tool.execute.after"]?.(input, output)
-    await hooks.hashlineEditDiffEnhancer?.["tool.execute.after"]?.(input, output)
   }
 }
diff --git a/src/plugin/tool-execute-before.ts b/src/plugin/tool-execute-before.ts
index d9a06c70..09ae1681 100644
--- a/src/plugin/tool-execute-before.ts
+++ b/src/plugin/tool-execute-before.ts
@@ -29,7 +29,6 @@ export function createToolExecuteBeforeHandler(args: {
     await hooks.prometheusMdOnly?.["tool.execute.before"]?.(input, output)
     await hooks.sisyphusJuniorNotepad?.["tool.execute.before"]?.(input, output)
     await hooks.atlasHook?.["tool.execute.before"]?.(input, output)
-    await hooks.hashlineEditDiffEnhancer?.["tool.execute.before"]?.(input, output)
     if (input.tool === "task") {
       const argsObject = output.args
       const category = typeof argsObject.category === "string" ? argsObject.category : undefined