diff --git a/location/user/gps.cfg b/location/user/gps.cfg
index abda3b0..f25a969 100644
--- a/location/user/gps.cfg
+++ b/location/user/gps.cfg
@@ -23,6 +23,8 @@ ChipCfg_VDR_low_end_Time = 20
 Chip_Configuration_AidingConfiguration=0x00020046
 Chip_Configuration_RefClkControl=0x24
 Chip_Configuration_DCXO_CrystalType=0x11
+# L1 only, TODO: should remove below line to enable L5 back once b/329003269 fixed.
+LocTech_Constraints = 0x603F
 Chip_Configuration_RfMiscCtrl = 0x80008001
 bdsUsedInUSPolicy=2
 sbasUsedInUSPolicy=2
diff --git a/location/userdebug/gps.cfg b/location/userdebug/gps.cfg
index ad41688..87fbcd4 100644
--- a/location/userdebug/gps.cfg
+++ b/location/userdebug/gps.cfg
@@ -86,6 +86,9 @@ Chip_Configuration_RefClkControl=0x24
 ## LOOK! S5400 ERD's uses NDK(2), Phones use Kyocera(1). Default set to phone (1)
 Chip_Configuration_DCXO_CrystalType=0x11
 
+# L1 only, TODO: should remove below line to enable L5 back once b/329003269 fixed.
+LocTech_Constraints = 0x603F
+
 ## Optionally specify DXCO Inflection point temperature,        ####
 #    This will override any default value or value in Crystal type ####
 #    Value is degrees C x 100 E.g. 2855 = 28.55 deg C