diff --git a/.gitignore b/.gitignore
index 292de41..d6b2665 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,37 +1,36 @@
 # NOTE: Thinking about adding files created by your operating system, IDE,
 # or text editor here? Don't! Add them to your per-user .gitignore instead.
 
 # Diviner
 /docs/
 /.divinercache/
 
 # XHPAST
 /support/xhpast/*.a
 /support/xhpast/*.o
 /support/xhpast/parser.yacc.output
 /support/xhpast/node_names.hpp
 /support/xhpast/xhpast
 /support/xhpast/xhpast.exe
 /src/parser/xhpast/bin/xhpast
 
 ## NOTE: Don't .gitignore these files! Even though they're build artifacts, we
 ## want to check them in so users can build xhpast without flex/bison.
 # /support/xhpast/parser.yacc.cpp
 # /support/xhpast/parser.yacc.hpp
 # /support/xhpast/scanner.lex.cpp
 # /support/xhpast/scanner.lex.hpp
 
 # This is an OS X build artifact.
 /support/xhpast/xhpast.dSYM
 
 # libphutil
 /src/.phutil_module_cache
 /src/.cache
 /support/phutiltestlib/.phutil_module_cache
 
 # This file overrides "default.pem" if present.
 /resources/ssl/custom.pem
 
 # User extensions
 /externals/includes/*
-/src/extensions/*