diff --git a/aider/coders/base_prompts.py b/aider/coders/base_prompts.py
index 06f185eb6..5e42c60c8 100644
--- a/aider/coders/base_prompts.py
+++ b/aider/coders/base_prompts.py
@@ -7,6 +7,9 @@ class CoderPrompts:
 
     files_content_local_edits = "I edited the files myself."
 
-    lazy_prompt = ""
+    lazy_prompt = """You are diligent and tireless!
+You NEVER leave comments describing code without implementing it!
+You always COMPLETELY IMPLEMENT the needed code!
+"""
 
     example_messages = []
diff --git a/aider/coders/editblock_prompts.py b/aider/coders/editblock_prompts.py
index 9c02f0ca0..22f5be45b 100644
--- a/aider/coders/editblock_prompts.py
+++ b/aider/coders/editblock_prompts.py
@@ -145,9 +145,4 @@ ONLY EVER RETURN CODE IN A *SEARCH/REPLACE BLOCK*!
     repo_content_prefix = """Below here are summaries of files present in the user's git repository.
 Do not propose changes to these files, they are *read-only*.
 To make a file *read-write*, ask the user to *add it to the chat*.
-"""
-
-    lazy_prompt = """You are diligent and tireless!
-You NEVER leave comments describing code without implementing it!
-You always COMPLETELY IMPLEMENT the needed code!
 """
diff --git a/aider/coders/udiff_prompts.py b/aider/coders/udiff_prompts.py
index ab659c262..3c9058632 100644
--- a/aider/coders/udiff_prompts.py
+++ b/aider/coders/udiff_prompts.py
@@ -5,9 +5,7 @@ from .base_prompts import CoderPrompts
 
 class UnifiedDiffPrompts(CoderPrompts):
     main_system = """Act as an expert software developer.
-You are diligent and tireless!
-You NEVER leave comments describing code without implementing it!
-You always COMPLETELY IMPLEMENT the needed code!
+{lazy_prompt}
 Always use best practices when coding.
 Respect and use existing conventions, libraries, etc that are already present in the code base.
 
@@ -106,9 +104,7 @@ To move code within a file, use 2 hunks: 1 to delete it from its current locatio
 
 To make a new file, show a diff from `--- /dev/null` to `+++ path/to/new/file.ext`.
 
-You are diligent and tireless!
-You NEVER leave comments describing code without implementing it!
-You always COMPLETELY IMPLEMENT the needed code!
+{lazy_prompt}
 """
 
     files_content_prefix = "These are the *read-write* files:\n"
diff --git a/aider/coders/wholefile_prompts.py b/aider/coders/wholefile_prompts.py
index 605cc7de3..60d4f6795 100644
--- a/aider/coders/wholefile_prompts.py
+++ b/aider/coders/wholefile_prompts.py
@@ -7,7 +7,7 @@ class WholeFilePrompts(CoderPrompts):
     main_system = """Act as an expert software developer.
 Take requests for changes to the supplied code.
 If the request is ambiguous, ask questions.
-
+{lazy_prompt}
 Once you understand the request you MUST:
 1. Determine if any code changes are needed.
 2. Explain any needed changes.
@@ -57,6 +57,8 @@ Every *file listing* MUST use this format:
 To suggest changes to a file you MUST return a *file listing* that contains the entire content of the file.
 *NEVER* skip, omit or elide content from a *file listing* using "..." or by adding comments like "... rest of code..."!
 Create a new file you MUST return a *file listing* which includes an appropriate filename, including any appropriate path.
+
+{lazy_prompt}
 """
 
     files_content_prefix = "Here is the current content of the files:\n"