diff --git a/kotlin-native/platformLibs/src/platform/watchos/Accelerate.def b/kotlin-native/platformLibs/src/platform/watchos/Accelerate.def
index b46ede1aa92..e06bd7e5fdf 100644
--- a/kotlin-native/platformLibs/src/platform/watchos/Accelerate.def
+++ b/kotlin-native/platformLibs/src/platform/watchos/Accelerate.def
@@ -5,3 +5,6 @@ modules = Accelerate
 
 compilerOpts = -framework Accelerate
 linkerOpts = -framework Accelerate
+
+excludedFunctions.watchos_arm32 = SparseGetInertia
+excludedFunctions.watchos_x86 = SparseGetInertia
diff --git a/kotlin-native/platformLibs/src/platform/watchos/builtin.def b/kotlin-native/platformLibs/src/platform/watchos/builtin.def
index 21a9cb18d1d..96ff64a8b2b 100644
--- a/kotlin-native/platformLibs/src/platform/watchos/builtin.def
+++ b/kotlin-native/platformLibs/src/platform/watchos/builtin.def
@@ -4,6 +4,7 @@ headerFilter = **
 language = C
 
 excludedFunctions.watchos_arm32 = builtin_clear_cache
+excludedFunctions.watchos_device_arm64 = builtin_clear_cache
 ---
 // See https://github.com/llvm-mirror/clang/blob/master/include/clang/Basic/Builtins.def
 // TODO: autogenerate from machine format.