diff --git a/server/cros/faftsequence.py b/server/cros/faftsequence.py
index 33d0603..46c1860 100644
--- a/server/cros/faftsequence.py
+++ b/server/cros/faftsequence.py
@@ -220,6 +220,9 @@
     VDAT_FLAG_EC_SOFTWARE_SYNC         = 0x00000800
     VDAT_FLAG_EC_SLOW_UPDATE           = 0x00001000
 
+    # Firmware preamble flags
+    PREAMBLE_USE_RO_NORMAL             = 0x00000001
+
     _faft_template = {}
     _faft_sequence = ()
 
diff --git a/server/site_tests/firmware_CorruptBothFwBodyAB/firmware_CorruptBothFwBodyAB.py b/server/site_tests/firmware_CorruptBothFwBodyAB/firmware_CorruptBothFwBodyAB.py
index 0b9bbb4..4fbd467 100644
--- a/server/site_tests/firmware_CorruptBothFwBodyAB/firmware_CorruptBothFwBodyAB.py
+++ b/server/site_tests/firmware_CorruptBothFwBodyAB/firmware_CorruptBothFwBodyAB.py
@@ -21,8 +21,6 @@
     """
     version = 1
 
-    PREAMBLE_USE_RO_NORMAL = 1
-
     use_ro = False
 
 
diff --git a/server/site_tests/firmware_CorruptFwBodyA/firmware_CorruptFwBodyA.py b/server/site_tests/firmware_CorruptFwBodyA/firmware_CorruptFwBodyA.py
index aaf5cb0..f599cc5 100644
--- a/server/site_tests/firmware_CorruptFwBodyA/firmware_CorruptFwBodyA.py
+++ b/server/site_tests/firmware_CorruptFwBodyA/firmware_CorruptFwBodyA.py
@@ -19,8 +19,6 @@
     """
     version = 1
 
-    PREAMBLE_USE_RO_NORMAL = 1
-
 
     def ensure_fw_a_boot(self):
         """Ensure firmware A boot this time.
diff --git a/server/site_tests/firmware_CorruptFwBodyB/firmware_CorruptFwBodyB.py b/server/site_tests/firmware_CorruptFwBodyB/firmware_CorruptFwBodyB.py
index 90c4710..df25627 100644
--- a/server/site_tests/firmware_CorruptFwBodyB/firmware_CorruptFwBodyB.py
+++ b/server/site_tests/firmware_CorruptFwBodyB/firmware_CorruptFwBodyB.py
@@ -17,8 +17,6 @@
     """
     version = 1
 
-    PREAMBLE_USE_RO_NORMAL = 1
-
 
     def ensure_fw_a_boot(self):
         """Ensure firmware A boot this time.
diff --git a/server/site_tests/firmware_ECWriteProtect/firmware_ECWriteProtect.py b/server/site_tests/firmware_ECWriteProtect/firmware_ECWriteProtect.py
index cc35700..25963a2 100644
--- a/server/site_tests/firmware_ECWriteProtect/firmware_ECWriteProtect.py
+++ b/server/site_tests/firmware_ECWriteProtect/firmware_ECWriteProtect.py
@@ -14,8 +14,6 @@
     """
     version = 1
 
-    PREAMBLE_USE_RO_NORMAL = 1
-
 
     def ensure_fw_a_boot(self):
         """Ensure firmware A boot this time."""
diff --git a/server/site_tests/firmware_RONormalBoot/firmware_RONormalBoot.py b/server/site_tests/firmware_RONormalBoot/firmware_RONormalBoot.py
index 4902400..502c388 100644
--- a/server/site_tests/firmware_RONormalBoot/firmware_RONormalBoot.py
+++ b/server/site_tests/firmware_RONormalBoot/firmware_RONormalBoot.py
@@ -21,8 +21,6 @@
     """
     version = 1
 
-    PREAMBLE_USE_RO_NORMAL = 1
-
 
     def ensure_fw_a_boot(self):
         """Ensure firmware A boot this time."""
diff --git a/server/site_tests/firmware_SoftwareSync/firmware_SoftwareSync.py b/server/site_tests/firmware_SoftwareSync/firmware_SoftwareSync.py
index 74b3120..07b0e9b 100644
--- a/server/site_tests/firmware_SoftwareSync/firmware_SoftwareSync.py
+++ b/server/site_tests/firmware_SoftwareSync/firmware_SoftwareSync.py
@@ -13,8 +13,6 @@
     """
     version = 1
 
-    PREAMBLE_USE_RO_NORMAL = 1
-
 
     def ensure_fw_a_boot(self):
         """Ensure firmware A boot this time."""
diff --git a/server/site_tests/firmware_UpdateECBin/firmware_UpdateECBin.py b/server/site_tests/firmware_UpdateECBin/firmware_UpdateECBin.py
index 9589494..22908d3 100644
--- a/server/site_tests/firmware_UpdateECBin/firmware_UpdateECBin.py
+++ b/server/site_tests/firmware_UpdateECBin/firmware_UpdateECBin.py
@@ -25,8 +25,6 @@
     """
     version = 1
 
-    PREAMBLE_USE_RO_NORMAL = 1
-
 
     def ensure_fw_a_boot(self):
         """Ensure firmware A boot this time."""