diff --git a/components/crash/core/common/BUILD.gn b/components/crash/core/common/BUILD.gn
index 4f67529f5c9a..a41bdf709d99 100644
--- a/components/crash/core/common/BUILD.gn
+++ b/components/crash/core/common/BUILD.gn
@@ -13,7 +13,7 @@ group("common") {
   }
 }
 
-use_crashpad = is_mac || is_win
+use_crashpad = is_mac
 use_stubs = is_fuchsia
 
 # Crashpad's annotation system can store data on a per-module basis (i.e.,
@@ -128,7 +128,7 @@ source_set("unit_tests") {
     sources += [ "objc_zombie_unittest.mm" ]
   }
 
-  if (!is_mac && !is_win && !is_fuchsia) {
+  if (!is_mac && !is_fuchsia) {
     include_dirs = [ "//third_party/breakpad/breakpad/src/" ]
     sources += [ "crash_key_breakpad_unittest.cc" ]
   }
diff --git a/components/crash/core/common/crash_key.h b/components/crash/core/common/crash_key.h
index 951c7e941962..bdf6bb40e1fb 100644
--- a/components/crash/core/common/crash_key.h
+++ b/components/crash/core/common/crash_key.h
@@ -19,7 +19,7 @@
 // Annotation interface. Because not all platforms use Crashpad yet, a
 // source-compatible interface is provided on top of the older Breakpad
 // storage mechanism.
-#if (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
+#if (defined(OS_MACOSX) && !defined(OS_IOS))
 #define USE_CRASHPAD_ANNOTATION 1
 #endif
 
diff --git a/components/crash/core/common/crash_key_breakpad.cc b/components/crash/core/common/crash_key_breakpad.cc
index 0351e01fa18f..1c355bd89844 100644
--- a/components/crash/core/common/crash_key_breakpad.cc
+++ b/components/crash/core/common/crash_key_breakpad.cc
@@ -15,7 +15,7 @@
 #include "components/crash/core/common/crash_key_base_support.h"
 #include "components/crash/core/common/crash_key_internal.h"
 
-#if defined(OS_MACOSX) || defined(OS_IOS) || defined(OS_WIN)
+#if defined(OS_MACOSX) || defined(OS_IOS)
 #error "This file should not be used when Crashpad is available, nor on iOS."
 #endif