diff --git a/benchmarks/db_bench.cc b/benchmarks/db_bench.cc
index 03da9d8..82ed892 100644
--- a/benchmarks/db_bench.cc
+++ b/benchmarks/db_bench.cc
@@ -18,11 +18,6 @@
 #include "util/random.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 // Comma-separated list of operations to run in the specified order
 //   Actual benchmarks:
 //      fillseq       -- write N values in sequential key order in async mode
diff --git a/db/db_test.cc b/db/db_test.cc
index 2ee6761..8cd90f3 100644
--- a/db/db_test.cc
+++ b/db/db_test.cc
@@ -23,11 +23,6 @@
 #include "util/mutexlock.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 namespace leveldb {
 
 static std::string RandomString(Random* rnd, int len) {
diff --git a/db/fault_injection_test.cc b/db/fault_injection_test.cc
index 60e4631..8f2b647 100644
--- a/db/fault_injection_test.cc
+++ b/db/fault_injection_test.cc
@@ -25,11 +25,6 @@
 #include "util/mutexlock.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 namespace leveldb {
 
 static const int kValueSize = 1000;
diff --git a/db/recovery_test.cc b/db/recovery_test.cc
index 04b39ae..e5cc916 100644
--- a/db/recovery_test.cc
+++ b/db/recovery_test.cc
@@ -13,11 +13,6 @@
 #include "util/logging.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 namespace leveldb {
 
 class RecoveryTest : public testing::Test {
diff --git a/helpers/memenv/memenv_test.cc b/helpers/memenv/memenv_test.cc
index 93186ab..3f03cb6 100644
--- a/helpers/memenv/memenv_test.cc
+++ b/helpers/memenv/memenv_test.cc
@@ -13,11 +13,6 @@
 #include "leveldb/env.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 namespace leveldb {
 
 class MemEnvTest : public testing::Test {
diff --git a/util/env_test.cc b/util/env_test.cc
index 223090e..491ef43 100644
--- a/util/env_test.cc
+++ b/util/env_test.cc
@@ -12,11 +12,6 @@
 #include "util/mutexlock.h"
 #include "util/testutil.h"
 
-#if defined(_WIN32) && defined(DeleteFile)
-// See rationale in env.h
-#undef DeleteFile
-#endif
-
 namespace leveldb {
 
 static const int kDelayMicros = 100000;