diff --git a/src/auth/exceptions.py b/src/auth/exceptions.py
new file mode 100644
index 0000000..f892bf8
--- /dev/null
+++ b/src/auth/exceptions.py
@@ -0,0 +1,22 @@
+from collections.abc import Sequence
+
+from src.exceptions import BusinessException
+from src.shared.errors import ErrorCode
+
+
+class InsufficientPermissionException(BusinessException):
+    def __init__(self, required: Sequence[str]):
+        super().__init__(
+            code=ErrorCode.PERM_INSUFFICIENT,
+            msg="Insufficient permissions",
+            data={"required": list(required)},
+        )
+
+
+class InsufficientRoleException(BusinessException):
+    def __init__(self, required: Sequence[str]):
+        super().__init__(
+            code=ErrorCode.ROLE_INSUFFICIENT,
+            msg="Insufficient roles",
+            data={"required": list(required)},
+        )
diff --git a/src/auth/rbac.py b/src/auth/rbac.py
index 50a790c..0698574 100644
--- a/src/auth/rbac.py
+++ b/src/auth/rbac.py
@@ -9,7 +9,10 @@
 from src.audit.schemas import AuditAction, AuditResult
 from src.audit.service import extract_client_info
 from src.auth.models import Permission, Role, RolePermission, User, UserRole
-from src.exceptions import InsufficientPermissionException, InsufficientRoleException
+from src.auth.exceptions import (
+    InsufficientPermissionException,
+    InsufficientRoleException,
+)
 from src.session import get_session
 
 from . import current_user
diff --git a/src/exceptions.py b/src/exceptions.py
index c87db4a..0dc63d5 100644
--- a/src/exceptions.py
+++ b/src/exceptions.py
@@ -1,5 +1,3 @@
-from collections.abc import Sequence
-
 from src.shared.errors import ErrorCode
 
 
@@ -12,30 +10,3 @@ def __init__(self, code: ErrorCode, msg: str, data: dict | None = None):
 
     def __str__(self) -> str:
         return f"[{self.code}] {self.msg}"
-
-
-class InvalidPasswordException(BusinessException):
-    def __init__(self, remaining_attempts: int):
-        super().__init__(
-            code=ErrorCode.AUTH_INVALID_PASSWORD,
-            msg=f"Invalid password, {remaining_attempts} attempts remaining",
-            data={"remaining_attempts": remaining_attempts},
-        )
-
-
-class InsufficientPermissionException(BusinessException):
-    def __init__(self, required: Sequence[str]):
-        super().__init__(
-            code=ErrorCode.PERM_INSUFFICIENT,
-            msg="Insufficient permissions",
-            data={"required": list(required)},
-        )
-
-
-class InsufficientRoleException(BusinessException):
-    def __init__(self, required: Sequence[str]):
-        super().__init__(
-            code=ErrorCode.ROLE_INSUFFICIENT,
-            msg="Insufficient roles",
-            data={"required": list(required)},
-        )
diff --git a/src/shared/errors.py b/src/shared/errors.py
index fd160b8..81bc616 100644
--- a/src/shared/errors.py
+++ b/src/shared/errors.py
@@ -3,7 +3,6 @@
 
 class ErrorCode(IntEnum):
     AUTH_INVALID_CREDENTIALS = 10001
-    AUTH_INVALID_PASSWORD = 10002
     AUTH_TOKEN_INVALID = 10004
     AUTH_ACCOUNT_LOCKED = 10005
 
@@ -23,7 +22,6 @@ class ErrorCode(IntEnum):
 
 ERROR_CODE_TO_HTTP = {
     ErrorCode.AUTH_INVALID_CREDENTIALS: 401,
-    ErrorCode.AUTH_INVALID_PASSWORD: 401,
     ErrorCode.AUTH_TOKEN_INVALID: 401,
     ErrorCode.AUTH_ACCOUNT_LOCKED: 403,
     ErrorCode.USER_NOT_FOUND: 404,
diff --git a/tests/test_exceptions.py b/tests/test_exceptions.py
index e9f13e1..0c480a1 100644
--- a/tests/test_exceptions.py
+++ b/tests/test_exceptions.py
@@ -1,12 +1,11 @@
 import pytest
 
 from src.shared.errors import ErrorCode
-from src.exceptions import (
-    BusinessException,
+from src.auth.exceptions import (
     InsufficientPermissionException,
     InsufficientRoleException,
-    InvalidPasswordException,
 )
+from src.exceptions import BusinessException
 
 
 @pytest.mark.parametrize(
@@ -55,15 +54,6 @@ def test_business_exception_exposes_code_message_data_and_string(
     assert str(exc) == expected_str
 
 
-def test_domain_exception_includes_remaining_attempts_in_message_and_data():
-    exc = InvalidPasswordException(remaining_attempts=3)
-
-    assert exc.code == ErrorCode.AUTH_INVALID_PASSWORD
-    assert exc.msg == "Invalid password, 3 attempts remaining"
-    assert exc.data == {"remaining_attempts": 3}
-    assert str(exc) == "[10002] Invalid password, 3 attempts remaining"
-
-
 def test_insufficient_permission_exception_includes_required_and_user_perms():
     exc = InsufficientPermissionException(required=["admin:delete", "admin:create"])