diff --git a/.gitignore b/.gitignore
index 80f73f1..ea21e19 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,3 +36,6 @@ vcs.xml
 
 #SIMD tester
 gastest.o
+
+#Private data
+private/
diff --git a/.gitmodules b/.gitmodules
index 0b2f51f..a101f83 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,6 +4,7 @@
 [submodule "extern/libressl"]
 	path = extern/libressl
 	url = ../../libressl-portable/portable.git
+	ignore = untracked    # Ignore temporary files created by LibreSSL build
 [submodule "extern/libjpeg-turbo"]
 	path = extern/libjpeg-turbo
 	url = ../../libjpeg-turbo/libjpeg-turbo