diff --git a/scripts/email_processor/README.md b/scripts/email_processor/README.md
index bfa64c5..6c03937 100644
--- a/scripts/email_processor/README.md
+++ b/scripts/email_processor/README.md
@@ -98,7 +98,6 @@ chmod +x email-processor.sh
 
 # --- Other ---
 ./email-processor.sh stats                        # show decision history
-./email-processor.sh migrate                      # import old decisions
 ```
 
 Or call Python directly: `python main.py scan --dry-run`
@@ -176,7 +175,7 @@ ollama list  # should show kamekichi128/qwen3-4b-instruct-2507:latest
 
 ```
 email_processor/
-  main.py              # Entry point — scan/review/stats/migrate subcommands
+  main.py              # Entry point — scan/review/stats subcommands
   classifier.py        # LLM prompt builder + response parser
   decision_store.py    # Decision history storage + few-shot retrieval
   config.json          # Ollama + automation settings
diff --git a/scripts/email_processor/decision_store.py b/scripts/email_processor/decision_store.py
index 203734e..ac94ff4 100644
--- a/scripts/email_processor/decision_store.py
+++ b/scripts/email_processor/decision_store.py
@@ -204,50 +204,3 @@ def get_all_stats():
         "by_source": dict(by_source),
         "top_domains": top_domains,
     }
-
-
-# ---------------------------------------------------------------------------
-# Migration
-# ---------------------------------------------------------------------------
-
-def migrate_pending():
-    """One-time migration: import 'done' entries from pending_emails.json.
-
-    Converts old-style action names ("archived" -> "archive", etc.) and
-    records them as user decisions in the history file. Safe to run
-    multiple times (will create duplicates though, so run once only).
-    """
-    if not PENDING_FILE.exists():
-        print("No pending_emails.json found, nothing to migrate.")
-        return 0
-
-    with open(PENDING_FILE, "r", encoding="utf-8") as f:
-        pending = json.load(f)
-
-    # Map old action names to new ones
-    action_map = {
-        "archived": "archive",
-        "kept": "keep",
-        "deleted": "delete",
-    }
-
-    migrated = 0
-    for msg_id, data in pending.items():
-        if data.get("status") != "done":
-            continue
-        old_action = data.get("action", "")
-        action = action_map.get(old_action, old_action)
-        if not action:
-            continue
-
-        email_data = {
-            "sender": data.get("sender", ""),
-            "recipient": data.get("recipient", ""),
-            "subject": data.get("subject", ""),
-            "summary": data.get("summary", ""),
-        }
-        record_decision(email_data, action, source="user")
-        migrated += 1
-
-    print(f"Migrated {migrated} decisions from pending_emails.json")
-    return migrated
diff --git a/scripts/email_processor/email-processor.sh b/scripts/email_processor/email-processor.sh
index 9e54866..1b97ae5 100755
--- a/scripts/email_processor/email-processor.sh
+++ b/scripts/email_processor/email-processor.sh
@@ -11,7 +11,6 @@
 #   ./email-processor.sh review all delete              # act on all pending
 #   ./email-processor.sh review accept                  # accept all suggestions
 #   ./email-processor.sh stats                          # show history stats
-#   ./email-processor.sh migrate                        # import old decisions
 #
 # Requires: Python 3.8+, himalaya, Ollama running with model.
 
diff --git a/scripts/email_processor/main.py b/scripts/email_processor/main.py
index 8a547bd..7d5630a 100644
--- a/scripts/email_processor/main.py
+++ b/scripts/email_processor/main.py
@@ -19,7 +19,6 @@ Subcommands:
     python main.py review all <action>               # act on all pending
     python main.py review accept                     # accept all suggestions
     python main.py stats                             # show decision history
-    python main.py migrate                           # import old decisions
 
 Action mapping (what each classification does to the email):
     delete    -> himalaya message delete <id>  (moves to Trash)
@@ -632,19 +631,6 @@ def cmd_stats():
         print(f"\nKnown labels: {', '.join(sorted(labels))}")
 
 
-# ---------------------------------------------------------------------------
-# Subcommand: migrate
-# ---------------------------------------------------------------------------
-
-def cmd_migrate():
-    """Import old pending_emails.json 'done' entries into decision history.
-
-    Run once after upgrading from the old system. Converts old action
-    names (archived/kept/deleted) to new ones (archive/keep/delete).
-    """
-    decision_store.migrate_pending()
-
-
 # ---------------------------------------------------------------------------
 # Entry point & argument parsing
 #
@@ -703,10 +689,7 @@ if __name__ == "__main__":
     elif subcommand == "stats":
         cmd_stats()
 
-    elif subcommand == "migrate":
-        cmd_migrate()
-
     else:
         print(f"Unknown subcommand: {subcommand}")
-        print("Usage: python main.py [scan|review|stats|migrate] [--recent N] [--dry-run]")
+        print("Usage: python main.py [scan|review|stats] [--recent N] [--dry-run]")
         sys.exit(1)