diff --git a/runtime/vm/ffi_callback_metadata.cc b/runtime/vm/ffi_callback_metadata.cc
index 94ba8726444..c8d5f3c816f 100644
--- a/runtime/vm/ffi_callback_metadata.cc
+++ b/runtime/vm/ffi_callback_metadata.cc
@@ -97,8 +97,19 @@ VirtualMemory* FfiCallbackMetadata::AllocateTrampolinePage() {
   UNREACHABLE();
   return nullptr;
 #else
+
+#if defined(DART_HOST_OS_MACOS) && !defined(DART_PRECOMPILED_RUNTIME)
+  // If we are not going to use vm_remap then we need to pass
+  // is_executable=true so that pages get allocated with MAP_JIT flag if
+  // necessary. Otherwise OS will kill us with a codesigning violation if
+  // hardened runtime is enabled.
+  const bool is_executable = true;
+#else
+  const bool is_executable = false;
+#endif
+
   VirtualMemory* new_page = VirtualMemory::AllocateAligned(
-      MappingSize(), MappingAlignment(), /*is_executable=*/false,
+      MappingSize(), MappingAlignment(), is_executable,
       /*is_compressed=*/false, "FfiCallbackMetadata::TrampolinePage");
   if (new_page == nullptr) {
     return nullptr;
diff --git a/runtime/vm/virtual_memory.cc b/runtime/vm/virtual_memory.cc
index b6a54951aff..0220cd7f1fb 100644
--- a/runtime/vm/virtual_memory.cc
+++ b/runtime/vm/virtual_memory.cc
@@ -54,8 +54,7 @@ bool VirtualMemory::DuplicateRX(VirtualMemory* target) {
   const intptr_t aligned_size = Utils::RoundUp(size(), PageSize());
   ASSERT_LESS_OR_EQUAL(aligned_size, target->size());
 
-#if defined(DART_HOST_OS_MACOS) &&                                             \
-    (defined(DART_PRECOMPILED_RUNTIME) || defined(DART_PRECOMPILER))
+#if defined(DART_HOST_OS_MACOS) && defined(DART_PRECOMPILED_RUNTIME)
   // Mac is special cased because iOS doesn't allow allocating new executable
   // memory, so the default approach would fail. We are allowed to make new
   // mappings of existing executable memory using vm_remap though, which is