diff --git a/flake8diff/flake8.py b/flake8diff/flake8.py
index be436b2..7d5a4f8 100644
--- a/flake8diff/flake8.py
+++ b/flake8diff/flake8.py
@@ -129,7 +129,7 @@ def get_vcs(self):
             try:
                 vcs = vcs(self.commits, self.options)
             except VCSNotInstalledError:
-                logger.error('Seems like {0} is not installed'.format(vcs.name))
+                logger.info('Seems like {0} is not installed'.format(vcs.name))
             else:
                 if vcs.is_used() and vcs.check():
                     return vcs
diff --git a/flake8diff/vcs/git.py b/flake8diff/vcs/git.py
index a3ec5aa..db3ff4a 100644
--- a/flake8diff/vcs/git.py
+++ b/flake8diff/vcs/git.py
@@ -20,7 +20,7 @@ def get_vcs(self):
         """
         Get git binary executable path
         """
-        return _execute('which git', strict=True).strip()
+        return _execute('which git', strict=True, log_errors=False).strip()
 
     def is_used(self):
         """
@@ -64,6 +64,7 @@ def changed_files(self):
             self.vcs,
             "diff",
             "--name-only",
+            "--diff-filter=ACMRTUXB",
         ] + self.commits)
 
         return filter(self.filter_file,
diff --git a/flake8diff/vcs/hg.py b/flake8diff/vcs/hg.py
index b7b04d8..180071f 100644
--- a/flake8diff/vcs/hg.py
+++ b/flake8diff/vcs/hg.py
@@ -20,7 +20,7 @@ def get_vcs(self):
         """
         Get git binary executable path
         """
-        vcs = _execute('which hg', strict=True).strip()
+        vcs = _execute('which hg', strict=True, log_errors=False).strip()
         return vcs
 
     def is_used(self):