diff --git a/src/bin/dhcp4/.gitignore b/src/bin/dhcp4/.gitignore
index 952db06e0e..86965b9f56 100644
--- a/src/bin/dhcp4/.gitignore
+++ b/src/bin/dhcp4/.gitignore
@@ -1,4 +1,6 @@
 /b10-dhcp4
+/b10-dhcp4.8
+/dhcp4_messages.cc
+/dhcp4_messages.h
 /spec_config.h
 /spec_config.h.pre
-/b10-dhcp4.8
diff --git a/src/bin/dhcp6/.gitignore b/src/bin/dhcp6/.gitignore
index eedbb846cb..58781893aa 100644
--- a/src/bin/dhcp6/.gitignore
+++ b/src/bin/dhcp6/.gitignore
@@ -1,11 +1,6 @@
-*~
-Makefile
-Makefile.in
-*.o
-.deps
-.libs
-b10-dhcp6
-spec_config.h
-spec_config.h.pre
-tests/dhcp6_unittests
+/b10-dhcp6
 /b10-dhcp6.8
+/dhcp6_messages.cc
+/dhcp6_messages.h
+/spec_config.h
+/spec_config.h.pre
diff --git a/src/bin/dhcp6/tests/.gitignore b/src/bin/dhcp6/tests/.gitignore
new file mode 100644
index 0000000000..e170d18915
--- /dev/null
+++ b/src/bin/dhcp6/tests/.gitignore
@@ -0,0 +1 @@
+/dhcp6_unittests
diff --git a/tests/tools/perfdhcp/.gitignore b/tests/tools/perfdhcp/.gitignore
index 1a8375a158..366076699c 100644
--- a/tests/tools/perfdhcp/.gitignore
+++ b/tests/tools/perfdhcp/.gitignore
@@ -1 +1,2 @@
 /perfdhcp
+/perfdhcp2