diff --git a/ChaosTests/Cipher/Arc4CryptTests.cpp b/ChaosTests/Cipher/Arc4CryptTests.cpp
index 6edee4c..9375c38 100644
--- a/ChaosTests/Cipher/Arc4CryptTests.cpp
+++ b/ChaosTests/Cipher/Arc4CryptTests.cpp
@@ -58,11 +58,8 @@ TEST(Arc4CryptTests, UninitializedArc4CryptTest)
     Arc4Crypt arc4;
 
     {
-        std::array<uint8_t, 10> in;
-        in.fill(0);
-
-        std::array<uint8_t, 10> out;
-        out.fill(0);
+        std::array<uint8_t, 10> in = {};
+        std::array<uint8_t, 10> out = {};
 
         ASSERT_THROW(arc4.Encrypt(out.begin(), in.begin(), in.size()), Chaos::Service::ChaosException);
         ASSERT_THROW(arc4.Decrypt(out.begin(), in.begin(), in.size()), Chaos::Service::ChaosException);
@@ -117,8 +114,7 @@ TEST(Arc4CryptTests, EncryptOutIteratorUsageTest)
 
         Arc4Crypt crypt(key.begin(), key.end());
 
-        std::array<uint8_t, 47> out;
-        out.fill(0);
+        std::array<uint8_t, 47> out = {};
 
         std::array<uint8_t, 47> expected =
         {
@@ -139,8 +135,7 @@ TEST(Arc4CryptTests, EncryptOutIteratorUsageTest)
 
         Arc4Crypt crypt(key.begin(), key.end());
 
-        std::array<uint8_t, 47> out;
-        out.fill(0);
+        std::array<uint8_t, 47> out = {};
 
         std::array<uint8_t, 47> expected =
         {
@@ -161,11 +156,8 @@ TEST(Arc4CryptTests, EncryptOutIteratorUsageTest)
 
         Arc4Crypt crypt(key.begin(), key.end());
 
-        std::array<uint8_t, 44> out;
-        out.fill(0);
-
-        std::array<uint8_t, 44> expected;
-        expected.fill(0);
+        std::array<uint8_t, 44> out = {};
+        std::array<uint8_t, 44> expected = {};
 
         crypt.Encrypt(out.begin() + 3, data.begin(), 0);
 
@@ -182,8 +174,7 @@ TEST(Arc4CryptTests, DecryptOutIteratorUsageTest)
     {
         Arc4Crypt crypt(key.begin(), key.end());
 
-        std::array<uint8_t, 17> out;
-        out.fill(0);
+        std::array<uint8_t, 17> out = {};
 
         std::array<uint8_t, 17> expected =
         {
@@ -200,8 +191,7 @@ TEST(Arc4CryptTests, DecryptOutIteratorUsageTest)
     {
         Arc4Crypt crypt(key.begin(), key.end());
 
-        std::array<uint8_t, 17> out;
-        out.fill(0);
+        std::array<uint8_t, 17> out = {};
 
         std::array<uint8_t, 17> expected =
         {
@@ -218,11 +208,8 @@ TEST(Arc4CryptTests, DecryptOutIteratorUsageTest)
     {
         Arc4Crypt crypt(key.begin(), key.end());
 
-        std::array<uint8_t, 14> out;
-        out.fill(0);
-
-        std::array<uint8_t, 14> expected;
-        expected.fill(0);
+        std::array<uint8_t, 14> out = {};
+        std::array<uint8_t, 14> expected = {};
 
         crypt.Decrypt(out.begin() + 3, data.begin(), 0);
 
diff --git a/ChaosTests/Cipher/Arc4GenTests.cpp b/ChaosTests/Cipher/Arc4GenTests.cpp
index 29ba990..988d694 100644
--- a/ChaosTests/Cipher/Arc4GenTests.cpp
+++ b/ChaosTests/Cipher/Arc4GenTests.cpp
@@ -360,8 +360,7 @@ TEST(Arc4GenTests, GenerateOutIteratorUsageTest)
         uint8_t key[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
         Arc4Gen gen(key, key + std::size(key));
 
-        std::array<uint8_t, 23> out;
-        out.fill(0);
+        std::array<uint8_t, 23> out = {};
 
         std::array<uint8_t, 23> expected =
         {
@@ -380,8 +379,7 @@ TEST(Arc4GenTests, GenerateOutIteratorUsageTest)
         uint8_t key[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
         Arc4Gen gen(key, key + std::size(key));
 
-        std::array<uint8_t, 23> out;
-        out.fill(0);
+        std::array<uint8_t, 23> out = {};
 
         std::array<uint8_t, 23> expected =
         {
@@ -400,11 +398,8 @@ TEST(Arc4GenTests, GenerateOutIteratorUsageTest)
         uint8_t key[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
         Arc4Gen gen(key, key + std::size(key));
 
-        std::array<uint8_t, 20> out;
-        out.fill(0);
-
-        std::array<uint8_t, 20> expected;
-        expected.fill(0);
+        std::array<uint8_t, 20> out = {};
+        std::array<uint8_t, 20> expected = {};
 
         gen.Generate(out.begin() + 3, 0);
 
diff --git a/ChaosTests/Cipher/DesCryptTests.cpp b/ChaosTests/Cipher/DesCryptTests.cpp
index 94c06e7..1bf9ddd 100644
--- a/ChaosTests/Cipher/DesCryptTests.cpp
+++ b/ChaosTests/Cipher/DesCryptTests.cpp
@@ -46,8 +46,7 @@ TEST(DesCryptTests, EncryptTest)
         std::array<uint8_t, DesCrypt::BlockSize> operator()(const std::array<uint8_t, DesCrypt::BlockSize> & data,
                                                             const std::array<uint8_t, 8> & key) const
         {
-            std::array<uint8_t, DesCrypt::BlockSize> result;
-            result.fill(0);
+            std::array<uint8_t, DesCrypt::BlockSize> result = {};
 
             DesCrypt::Key desKey(key.begin(), key.end());
             DesCrypt::DesEncryptor enc(desKey);
@@ -206,8 +205,7 @@ TEST(DesCryptTests, DecryptTest)
         std::array<uint8_t, DesCrypt::BlockSize> operator()(const std::array<uint8_t, DesCrypt::BlockSize> & data,
                                                             const std::array<uint8_t, 8> & key) const
         {
-            std::array<uint8_t, DesCrypt::BlockSize> result;
-            result.fill(0);
+            std::array<uint8_t, DesCrypt::BlockSize> result = {};
 
             DesCrypt::Key desKey(key.begin(), key.end());
             DesCrypt::DesDecryptor dec(desKey);
diff --git a/ChaosTests/Mac/HmacTests.cpp b/ChaosTests/Mac/HmacTests.cpp
index c26317b..a782bd6 100644
--- a/ChaosTests/Mac/HmacTests.cpp
+++ b/ChaosTests/Mac/HmacTests.cpp
@@ -99,8 +99,7 @@ TEST(HmacTests, LongKeyTest)
 
 TEST(HmacTests, UninitializedHmacTest)
 {
-    std::array<uint8_t, 10> in;
-    in.fill(0);
+    std::array<uint8_t, 10> in = {};
 
     {
         Hmac<Md5Hasher> hmac;