diff --git a/ra_aid/prompts.py b/ra_aid/prompts.py
index 0bcca9d..a51dac2 100644
--- a/ra_aid/prompts.py
+++ b/ra_aid/prompts.py
@@ -458,7 +458,7 @@ Exit Criteria:
 Context Cleanup:
     - Use delete_key_facts to remove any key facts that no longer apply.
     - Use delete_key_snippets to remove any key snippets that no longer apply.
-    - Use delete_research_notes to remove any research notes that no longer apply.
+    - Use deregister_related_files to remove any related files that no longer apply.
 
 Remember:
     - Always begin by calling ask_human.
@@ -467,4 +467,4 @@ Remember:
     - Do communicate results/responses from tools that you call as it pertains to the users request.
     - If the user interrupts/cancels an operation, you may want to ask why.
     - For deep debugging, logic analysis, or correctness checks, rely on the expert (if expert is available) for guidance.
-"""
\ No newline at end of file
+"""
diff --git a/ra_aid/tool_configs.py b/ra_aid/tool_configs.py
index 3e92e41..cac8f6f 100644
--- a/ra_aid/tool_configs.py
+++ b/ra_aid/tool_configs.py
@@ -3,7 +3,7 @@ from ra_aid.tools import (
     ask_expert, ask_human, run_shell_command, run_programming_task,
     emit_research_notes, emit_plan, emit_related_files, emit_task,
     emit_expert_context, emit_key_facts, delete_key_facts,
-    emit_key_snippets, delete_key_snippets, delete_related_files, delete_tasks, read_file_tool,
+    emit_key_snippets, delete_key_snippets, deregister_related_files, delete_tasks, read_file_tool,
     fuzzy_find_project_files, ripgrep_search, list_directory_tree,
     swap_task_order, monorepo_detected, existing_project_detected, ui_detected,
     task_completed, plan_implementation_completed
@@ -20,7 +20,7 @@ def get_read_only_tools(human_interaction: bool = False) -> list:
         delete_key_facts,
         emit_key_snippets,
         delete_key_snippets,
-        delete_related_files,
+        deregister_related_files,
         list_directory_tree,
         read_file_tool,
         fuzzy_find_project_files,
@@ -118,7 +118,7 @@ def get_chat_tools(expert_enabled: bool = True) -> list:
         request_research_and_implementation,
         delete_key_facts,
         delete_key_snippets,
-        delete_related_files
+        deregister_related_files
     ]
 
     return tools
diff --git a/ra_aid/tools/__init__.py b/ra_aid/tools/__init__.py
index 0c1e5a0..832dee0 100644
--- a/ra_aid/tools/__init__.py
+++ b/ra_aid/tools/__init__.py
@@ -13,14 +13,14 @@ from .memory import (
     delete_tasks, emit_research_notes, emit_plan, emit_task, get_memory_value, emit_key_facts,
     request_implementation, delete_key_facts,
     emit_key_snippets, delete_key_snippets, emit_related_files, swap_task_order, task_completed,
-    plan_implementation_completed, delete_related_files
+    plan_implementation_completed, deregister_related_files
 )
 
 __all__ = [
     'ask_expert',
     'delete_key_facts',
     'delete_key_snippets',
-    'delete_related_files',
+    'deregister_related_files',
     'emit_expert_context', 
     'emit_key_facts',
     'emit_key_snippets',
diff --git a/ra_aid/tools/memory.py b/ra_aid/tools/memory.py
index bc4afd6..8a6e7f0 100644
--- a/ra_aid/tools/memory.py
+++ b/ra_aid/tools/memory.py
@@ -384,8 +384,8 @@ def emit_related_files(files: List[str]) -> str:
     return '\n'.join(results)
 
 
-@tool("delete_related_files")
-def delete_related_files(file_ids: List[int]) -> str:
+@tool("deregister_related_files")
+def deregister_related_files(file_ids: List[int]) -> str:
     """Delete multiple related files from global memory by their IDs.
     Silently skips any IDs that don't exist.
     
diff --git a/tests/ra_aid/tools/test_memory.py b/tests/ra_aid/tools/test_memory.py
index e69d5ed..2af2d99 100644
--- a/tests/ra_aid/tools/test_memory.py
+++ b/tests/ra_aid/tools/test_memory.py
@@ -8,7 +8,7 @@ from ra_aid.tools.memory import (
     delete_key_snippets,
     emit_related_files,
     get_related_files,
-    delete_related_files,
+    deregister_related_files,
     emit_task,
     delete_tasks,
     swap_task_order
@@ -269,19 +269,19 @@ def test_related_files_id_tracking(reset_memory):
     assert _global_memory['related_files'][0] == "file1.py"
     assert _global_memory['related_files'][1] == "file2.py"
 
-def test_delete_related_files(reset_memory):
+def test_deregister_related_files(reset_memory):
     """Test deleting related files"""
     # Add test files
     emit_related_files.invoke({"files": ["file1.py", "file2.py", "file3.py"]})
     
     # Delete middle file
-    result = delete_related_files.invoke({"file_ids": [1]})
+    result = deregister_related_files.invoke({"file_ids": [1]})
     assert result == "File references removed."
     assert 1 not in _global_memory['related_files']
     assert len(_global_memory['related_files']) == 2
     
     # Delete multiple files including non-existent ID
-    result = delete_related_files.invoke({"file_ids": [0, 2, 999]})
+    result = deregister_related_files.invoke({"file_ids": [0, 2, 999]})
     assert result == "File references removed."
     assert len(_global_memory['related_files']) == 0