diff --git a/infer/src/IR/Annot.re b/infer/src/IR/Annot.re
index 6cd543e36..6f0bc7e72 100644
--- a/infer/src/IR/Annot.re
+++ b/infer/src/IR/Annot.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Annot.rei b/infer/src/IR/Annot.rei
index 46e5a843a..343c2d45c 100644
--- a/infer/src/IR/Annot.rei
+++ b/infer/src/IR/Annot.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Binop.re b/infer/src/IR/Binop.re
index de75bf5ff..860104e70 100644
--- a/infer/src/IR/Binop.re
+++ b/infer/src/IR/Binop.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Binop.rei b/infer/src/IR/Binop.rei
index b9e4e6b66..bcd38c67c 100644
--- a/infer/src/IR/Binop.rei
+++ b/infer/src/IR/Binop.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/CallFlags.re b/infer/src/IR/CallFlags.re
index d94606bb0..0ab25af10 100644
--- a/infer/src/IR/CallFlags.re
+++ b/infer/src/IR/CallFlags.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/CallFlags.rei b/infer/src/IR/CallFlags.rei
index d21c95909..68e0d7a34 100644
--- a/infer/src/IR/CallFlags.rei
+++ b/infer/src/IR/CallFlags.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Cfg.re b/infer/src/IR/Cfg.re
index d12c84e3d..75b549f10 100644
--- a/infer/src/IR/Cfg.re
+++ b/infer/src/IR/Cfg.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Cfg.rei b/infer/src/IR/Cfg.rei
index 51274d4c7..52c0d72c2 100644
--- a/infer/src/IR/Cfg.rei
+++ b/infer/src/IR/Cfg.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Cg.re b/infer/src/IR/Cg.re
index 43246d319..8adf830bd 100644
--- a/infer/src/IR/Cg.re
+++ b/infer/src/IR/Cg.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Cg.rei b/infer/src/IR/Cg.rei
index 9349a5820..c9e753edb 100644
--- a/infer/src/IR/Cg.rei
+++ b/infer/src/IR/Cg.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Const.re b/infer/src/IR/Const.re
index 6af2a18df..f9a33a7f6 100644
--- a/infer/src/IR/Const.re
+++ b/infer/src/IR/Const.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Const.rei b/infer/src/IR/Const.rei
index 6334c4485..2c3ebbc5c 100644
--- a/infer/src/IR/Const.rei
+++ b/infer/src/IR/Const.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/DecompiledExp.re b/infer/src/IR/DecompiledExp.re
index 7446e818f..4978a8ae6 100644
--- a/infer/src/IR/DecompiledExp.re
+++ b/infer/src/IR/DecompiledExp.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/DecompiledExp.rei b/infer/src/IR/DecompiledExp.rei
index cde91b024..b98d60fd0 100644
--- a/infer/src/IR/DecompiledExp.rei
+++ b/infer/src/IR/DecompiledExp.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Exp.re b/infer/src/IR/Exp.re
index 09ed0c33f..656d0fcb4 100644
--- a/infer/src/IR/Exp.re
+++ b/infer/src/IR/Exp.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Exp.rei b/infer/src/IR/Exp.rei
index d3f0ec7e0..cf524b725 100644
--- a/infer/src/IR/Exp.rei
+++ b/infer/src/IR/Exp.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Ident.re b/infer/src/IR/Ident.re
index 0d27d7228..f7e8cc00b 100644
--- a/infer/src/IR/Ident.re
+++ b/infer/src/IR/Ident.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Ident.rei b/infer/src/IR/Ident.rei
index 8bdbea78d..11c528d9a 100644
--- a/infer/src/IR/Ident.rei
+++ b/infer/src/IR/Ident.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/IntLit.re b/infer/src/IR/IntLit.re
index a5df9f42e..52b0aaa11 100644
--- a/infer/src/IR/IntLit.re
+++ b/infer/src/IR/IntLit.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/IntLit.rei b/infer/src/IR/IntLit.rei
index d335c46ff..c72eb3685 100644
--- a/infer/src/IR/IntLit.rei
+++ b/infer/src/IR/IntLit.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Mangled.re b/infer/src/IR/Mangled.re
index 851ec2ed6..cd4114eb0 100644
--- a/infer/src/IR/Mangled.re
+++ b/infer/src/IR/Mangled.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Mangled.rei b/infer/src/IR/Mangled.rei
index 429d0fb85..4d1a9e818 100644
--- a/infer/src/IR/Mangled.rei
+++ b/infer/src/IR/Mangled.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/PredSymb.re b/infer/src/IR/PredSymb.re
index 907f439dd..0a3e913b2 100644
--- a/infer/src/IR/PredSymb.re
+++ b/infer/src/IR/PredSymb.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/PredSymb.rei b/infer/src/IR/PredSymb.rei
index e4ba39bc1..7fe738094 100644
--- a/infer/src/IR/PredSymb.rei
+++ b/infer/src/IR/PredSymb.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Procdesc.re b/infer/src/IR/Procdesc.re
index 1c5d10714..11d5cb105 100644
--- a/infer/src/IR/Procdesc.re
+++ b/infer/src/IR/Procdesc.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Procdesc.rei b/infer/src/IR/Procdesc.rei
index 11c435d59..02391efbb 100644
--- a/infer/src/IR/Procdesc.rei
+++ b/infer/src/IR/Procdesc.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Procname.re b/infer/src/IR/Procname.re
index 68cec7584..11ba5ddfc 100644
--- a/infer/src/IR/Procname.re
+++ b/infer/src/IR/Procname.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Procname.rei b/infer/src/IR/Procname.rei
index 02cdd4264..e05e4384a 100644
--- a/infer/src/IR/Procname.rei
+++ b/infer/src/IR/Procname.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Pvar.re b/infer/src/IR/Pvar.re
index 3470b59a0..b1d15ae36 100644
--- a/infer/src/IR/Pvar.re
+++ b/infer/src/IR/Pvar.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Pvar.rei b/infer/src/IR/Pvar.rei
index 5e8de9fe9..af21488d8 100644
--- a/infer/src/IR/Pvar.rei
+++ b/infer/src/IR/Pvar.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Sil.re b/infer/src/IR/Sil.re
index 39b02be6f..cdc7bffb6 100644
--- a/infer/src/IR/Sil.re
+++ b/infer/src/IR/Sil.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Sil.rei b/infer/src/IR/Sil.rei
index 229f23be7..196c2a1ac 100644
--- a/infer/src/IR/Sil.rei
+++ b/infer/src/IR/Sil.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/StructTyp.re b/infer/src/IR/StructTyp.re
index 47f864cb2..da3eace79 100644
--- a/infer/src/IR/StructTyp.re
+++ b/infer/src/IR/StructTyp.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/StructTyp.rei b/infer/src/IR/StructTyp.rei
index 914081751..507bdd689 100644
--- a/infer/src/IR/StructTyp.rei
+++ b/infer/src/IR/StructTyp.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Subtype.re b/infer/src/IR/Subtype.re
index 4965e857b..5f4bf4e92 100644
--- a/infer/src/IR/Subtype.re
+++ b/infer/src/IR/Subtype.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Subtype.rei b/infer/src/IR/Subtype.rei
index 90ea2b397..8459e58f4 100644
--- a/infer/src/IR/Subtype.rei
+++ b/infer/src/IR/Subtype.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Typ.re b/infer/src/IR/Typ.re
index 110c769e8..5d823a8a6 100644
--- a/infer/src/IR/Typ.re
+++ b/infer/src/IR/Typ.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Typ.rei b/infer/src/IR/Typ.rei
index 01f725bca..a8b89fdd8 100644
--- a/infer/src/IR/Typ.rei
+++ b/infer/src/IR/Typ.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Unop.re b/infer/src/IR/Unop.re
index a87c1b8ef..ab0a6e91a 100644
--- a/infer/src/IR/Unop.re
+++ b/infer/src/IR/Unop.re
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.
diff --git a/infer/src/IR/Unop.rei b/infer/src/IR/Unop.rei
index 5375fc0dd..8f4cb90ef 100644
--- a/infer/src/IR/Unop.rei
+++ b/infer/src/IR/Unop.rei
@@ -1,7 +1,4 @@
 /*
- * vim: set ft=rust:
- * vim: set ft=reason:
- *
  * Copyright (c) 2009 - 2013 Monoidics ltd.
  * Copyright (c) 2013 - present Facebook, Inc.
  * All rights reserved.