diff --git a/pw_build/BUILD.gn b/pw_build/BUILD.gn
index a6d0cd7..1a74c2b 100644
--- a/pw_build/BUILD.gn
+++ b/pw_build/BUILD.gn
@@ -70,6 +70,14 @@
     "-fdata-sections",
   ]
   cflags_cc = [ "-fno-rtti" ]
+
+  if (current_os == "mac" || current_os == "ios") {
+    # Delete unreferenced sections. Helpful with -ffunction-sections.
+    ldflags = [ "-Wl,-dead_strip" ]
+  } else {
+    # Delete unreferenced sections. Helpful with -ffunction-sections.
+    ldflags = [ "-Wl,--gc-sections" ]
+  }
 }
 
 config("strict_warnings") {
diff --git a/pw_toolchain/generate_toolchain.gni b/pw_toolchain/generate_toolchain.gni
index ce925be..db057c2 100644
--- a/pw_toolchain/generate_toolchain.gni
+++ b/pw_toolchain/generate_toolchain.gni
@@ -251,17 +251,11 @@
         _link_flags += [
           # Output a map file that shows symbols and their location.
           "-Wl,-map,$_link_mapfile",
-
-          # Delete unreferenced sections. Helpful with -ffunction-sections.
-          "-Wl,-dead_strip",
         ]
       } else {
         _link_flags += [
           # Output a map file that shows symbols and their location.
           "-Wl,-Map,$_link_mapfile",
-
-          # Delete unreferenced sections. Helpful with -ffunction-sections.
-          "-Wl,--gc-sections",
         ]
       }