Remove the reference to pip-tools

pipenv/cli/options.py

@@ -296,7 +296,7 @@ def clear_option(f):
         state.clear = value
         return value
     return option("--clear", is_flag=True, callback=callback, type=click_types.BOOL,
-                  help="Clears caches (pipenv, pip, and pip-tools).",
+                  help="Clears caches (pipenv, pip).",
                   expose_value=False, show_envvar=True)(f)
 
 

pipenv/exceptions.py

@@ -363,13 +363,11 @@ class ResolutionFailure(PipenvException):
         extra = (
             "{}: Your dependencies could not be resolved. You likely have a "
             "mismatch in your sub-dependencies.\n  "
-            "First try clearing your dependency cache with {}, then try the original command again.\n "
-            "Alternatively, you can use {} to bypass this mechanism, then run "
+            "You can use {} to bypass this mechanism, then run "
             "{} to inspect the situation.\n  "
             "Hint: try {} if it is a pre-release dependency."
             "".format(
                 crayons.red("Warning", bold=True),
-                crayons.yellow("$ pipenv lock --clear"),
                 crayons.yellow("$ pipenv install --skip-lock"),
                 crayons.yellow("$ pipenv graph"),
                 crayons.yellow("$ pipenv lock --pre"),