diff --git a/.gitignore b/.gitignore
index a3ff745e..fd12dd6c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,8 +7,6 @@ bin/
 .sconsign.dblite
 *.patch
 *.tar.gz
-tests/*/*-core
-tests/*/*-lib
 *.gcov
 *.gcda
 *.gcno
diff --git a/TODO b/TODO
index 7c07132c..a4c287c8 100644
--- a/TODO
+++ b/TODO
@@ -90,3 +90,7 @@ Future work:
 		- Move tag index into tagdb
 		- Rename filter.cpp -> text.cpp (or something to reflect
 		  that it is used for text processing)
+	- Make DatabaseEntry::primary_key() private (only used by Database)
+	- "On demand" databases that load the first time they are accessed?
+	- Split filtering code into index for searching and text formatting
+	  - Text formatting includes lowercase, length strings, and date strings
diff --git a/tests/.gitignore b/tests/.gitignore
new file mode 100644
index 00000000..988aac1c
--- /dev/null
+++ b/tests/.gitignore
@@ -0,0 +1,2 @@
+*-core
+*-lib