diff --git a/src/LocalAuthentication/LAEnums.cs b/src/LocalAuthentication/LAEnums.cs
index 9009e6488e8c..d71aacef2f5a 100644
--- a/src/LocalAuthentication/LAEnums.cs
+++ b/src/LocalAuthentication/LAEnums.cs
@@ -12,9 +12,9 @@ public enum LAPolicy : long {
 		[Mac (10,12,2), NoWatch]
 		DeviceOwnerAuthenticationWithBiometrics = 1,
 		DeviceOwnerAuthentication = 2,
-		[NoiOS][Mac (10,15)]
+		[NoiOS][Mac (10,15)][NoWatch]
 		DeviceOwnerAuthenticationWithWatch = 3,
-		[NoiOS][Mac (10,15)]
+		[NoiOS][Mac (10,15)][NoWatch]
 		DeviceOwnerAuthenticationWithBiometricsOrWatch = 4,
 		[Obsolete ("Use DeviceOwnerAuthenticationWithBiometricsOrWatch enum value instead.")]
 		[NoiOS][Mac (10,15)]
diff --git a/src/frameworks.sources b/src/frameworks.sources
index 08ceef739310..c361857e7cc5 100644
--- a/src/frameworks.sources
+++ b/src/frameworks.sources
@@ -2220,6 +2220,7 @@ WATCHOS_FRAMEWORKS =        \
 	HomeKit                 \
 	ImageIO                 \
 	Intents                 \
+	LocalAuthentication     \
 	MapKit                  \
 	MediaPlayer             \
 	MobileCoreServices      \
diff --git a/src/localauthentication.cs b/src/localauthentication.cs
index aa7e7f04529f..9350d75c6cd9 100644
--- a/src/localauthentication.cs
+++ b/src/localauthentication.cs
@@ -75,7 +75,7 @@ interface LAContext {
 		[NullAllowed, Export ("localizedCancelTitle")]
 		string LocalizedCancelTitle { get; set; }
 
-		[iOS (9,0)][Mac (10,12,4)]
+		[iOS (9,0)][Mac (10,12,4)][NoWatch]
 		[Field ("LATouchIDAuthenticationMaximumAllowableReuseDuration")]
 		double /* NSTimeInterval */ TouchIdAuthenticationMaximumAllowableReuseDuration { get; }
 
diff --git a/tools/common/Frameworks.cs b/tools/common/Frameworks.cs
index 7c57c6b889e8..11c5b42eb159 100644
--- a/tools/common/Frameworks.cs
+++ b/tools/common/Frameworks.cs
@@ -531,6 +531,7 @@ public static Frameworks GetwatchOSFrameworks (bool is_simulator_build)
 
 				{ "DeviceCheck", "DeviceCheck", 9,0 },
 				{ "CallKit", "CallKit", 9,0 },
+				{ "LocalAuthentication", "LocalAuthentication", 9,0 },
 			};
 		}
 		return watch_frameworks;