diff --git a/chrome/test/ppapi/ppapi_test.cc b/chrome/test/ppapi/ppapi_test.cc
index bb96fb7ff7f22..19c7bb0845050 100644
--- a/chrome/test/ppapi/ppapi_test.cc
+++ b/chrome/test/ppapi/ppapi_test.cc
@@ -49,10 +49,6 @@
 #include "third_party/blink/public/common/input/web_input_event.h"
 #include "ui/gl/gl_switches.h"
 
-#if defined(OS_WIN)
-#include "base/win/windows_version.h"
-#endif
-
 using content::RenderViewHost;
 using content::TestMessageHandler;
 
@@ -319,12 +315,10 @@ void OutOfProcessPPAPITest::SetUpCommandLine(base::CommandLine* command_line) {
 }
 
 void OutOfProcessPPAPITest::RunTest(const std::string& test_case) {
-  // TODO(crbug.com/1231528): Investigate why this test fails on Win 7 bots.
 #if defined(OS_WIN)
-  if (test_case == "Printing" &&
-      base::win::GetVersion() <= base::win::Version::WIN7) {
+  // See crbug.com/1231528 for context.
+  if (test_case == "Printing")
     return;
-  }
 #endif
 
   PPAPITestBase::RunTest(test_case);
diff --git a/printing/printing_context_win_unittest.cc b/printing/printing_context_win_unittest.cc
index 59058cfdc5128..62ada59445e3f 100644
--- a/printing/printing_context_win_unittest.cc
+++ b/printing/printing_context_win_unittest.cc
@@ -14,7 +14,6 @@
 #include "base/test/task_environment.h"
 #include "base/win/scoped_handle.h"
 #include "base/win/scoped_hdc.h"
-#include "base/win/windows_version.h"
 #include "printing/backend/printing_info_win.h"
 #include "printing/backend/win_helper.h"
 #include "printing/mojom/print.mojom.h"
@@ -146,11 +145,8 @@ class MockPrintingContextWin : public PrintingContextSystemDialogWin {
   }
 };
 
-TEST_F(PrintingContextTest, PrintAll) {
-  // TODO(crbug.com/1231528): Investigate why this test fails on Win 7 bots.
-  if (base::win::GetVersion() <= base::win::Version::WIN7)
-    return;
-
+// Disabled - see crbug.com/1231528 for context.
+TEST_F(PrintingContextTest, DISABLED_PrintAll) {
   if (IsTestCaseDisabled())
     return;
 
@@ -165,11 +161,8 @@ TEST_F(PrintingContextTest, PrintAll) {
   EXPECT_EQ(0u, settings.ranges().size());
 }
 
-TEST_F(PrintingContextTest, Color) {
-  // TODO(crbug.com/1231528): Investigate why this test fails on Win 7 bots.
-  if (base::win::GetVersion() <= base::win::Version::WIN7)
-    return;
-
+// Disabled - see crbug.com/1231528 for context.
+TEST_F(PrintingContextTest, DISABLED_Color) {
   if (IsTestCaseDisabled())
     return;
 
@@ -184,11 +177,8 @@ TEST_F(PrintingContextTest, Color) {
   EXPECT_NE(settings.color(), mojom::ColorModel::kUnknownColorModel);
 }
 
-TEST_F(PrintingContextTest, Base) {
-  // TODO(crbug.com/1231528): Investigate why this test fails on Win 7 bots.
-  if (base::win::GetVersion() <= base::win::Version::WIN7)
-    return;
-
+// Disabled - see crbug.com/1231528 for context.
+TEST_F(PrintingContextTest, DISABLED_Base) {
   if (IsTestCaseDisabled())
     return;