diff --git a/schema/common.sql b/schema/common.sql
new file mode 100644
index 0000000..c74d7e5
--- /dev/null
+++ b/schema/common.sql
@@ -0,0 +1,8 @@
+CREATE TABLE Feature (
+  feat_id SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  codename VARCHAR(80) NOT NULL,
+  feat_type SMALLINT NOT NULL,
+
+  PRIMARY KEY (feat_id),
+  UNIQUE KEY (codename)
+);
diff --git a/schema/kill-switch.sql b/schema/kill-switch.sql
new file mode 100644
index 0000000..91b3e39
--- /dev/null
+++ b/schema/kill-switch.sql
@@ -0,0 +1,36 @@
+CREATE TABLE KillSwitch (
+  kswitch_id SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  feat_id SMALLINT UNSIGNED NOT NULL,
+  min_version VARCHAR(50),
+  max_version VARCHAR(50),
+  active BOOLEAN NOT NULL,
+
+  PRIMARY KEY (kswitch_id),
+  KEY (feat_id)
+);
+
+CREATE TABLE KillSwitch2Browser (
+  kswitch_id SMALLINT UNSIGNED NOT NULL,
+  browser SMALLINT UNSIGNED NOT NULL,
+
+  PRIMARY KEY (kswitch_id, browser),
+  KEY (kswitch_id)
+);
+
+CREATE TABLE KillSwitchAuthorizedUser (
+  user_id SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  google_uid VARCHAR(64),
+  email VARCHAR(255),
+  access_level SMALLINT NOT NULL,
+
+  PRIMARY KEY (user_id),
+  KEY (google_uid),
+  KEY (email)
+);
+
+CREATE TABLE KillSwitchAuditLog (
+  log_id SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  data BLOB,
+
+  PRIMARY KEY (log_id)
+);