diff --git a/src/blockstore/utils/Key.cpp b/src/blockstore/utils/Key.cpp
index 41c547dc..18ac49b8 100644
--- a/src/blockstore/utils/Key.cpp
+++ b/src/blockstore/utils/Key.cpp
@@ -35,12 +35,6 @@ Key Key::CreateRandomKey() {
   return result;
 }
 
-Key Key::CreateDummyKey() {
-  Key result;
-  std::memset(result._key, 0, KEYLENGTH_BINARY);
-  return result;
-}
-
 Key Key::FromString(const std::string &key) {
   assert(key.size() == KEYLENGTH_STRING);
   Key result;
diff --git a/src/blockstore/utils/Key.h b/src/blockstore/utils/Key.h
index 5ff5249b..3441dc8a 100644
--- a/src/blockstore/utils/Key.h
+++ b/src/blockstore/utils/Key.h
@@ -16,7 +16,6 @@ public:
   static constexpr unsigned int KEYLENGTH_STRING = 2 * KEYLENGTH_BINARY; // Hex encoding
 
   static Key CreateRandomKey();
-  static Key CreateDummyKey();
 
   static Key FromString(const std::string &key);
   std::string AsString() const;
diff --git a/src/test/blockstore/interface/helpers/BlockStoreWithRandomKeysTest.cpp b/src/test/blockstore/interface/helpers/BlockStoreWithRandomKeysTest.cpp
index 4ca71e7f..45835c5d 100644
--- a/src/test/blockstore/interface/helpers/BlockStoreWithRandomKeysTest.cpp
+++ b/src/test/blockstore/interface/helpers/BlockStoreWithRandomKeysTest.cpp
@@ -38,6 +38,7 @@ class BlockStoreWithRandomKeysTest: public Test {
 public:
   BlockStoreWithRandomKeysMock blockStoreMock;
   BlockStore &blockStore = blockStoreMock;
+  const blockstore::Key key = Key::FromString("1491BB4932A389EE14BC7090AC772972");
 };
 
 TEST_F(BlockStoreWithRandomKeysTest, SizeIsPassedThrough0) {
@@ -65,7 +66,7 @@ TEST_F(BlockStoreWithRandomKeysTest, KeyHasCorrectSize) {
 }
 
 TEST_F(BlockStoreWithRandomKeysTest, TwoBlocksGetDifferentKeys) {
-  Key first_key = Key::CreateDummyKey();
+  Key first_key = key;
   EXPECT_CALL(blockStoreMock, do_create(_, _))
       .WillOnce(Invoke([&first_key](const Key &key, size_t) {
         first_key = key;
@@ -81,7 +82,7 @@ TEST_F(BlockStoreWithRandomKeysTest, TwoBlocksGetDifferentKeys) {
 }
 
 TEST_F(BlockStoreWithRandomKeysTest, WillTryADifferentKeyIfKeyAlreadyExists) {
-  Key first_key = Key::CreateDummyKey();
+  Key first_key = key;
   EXPECT_CALL(blockStoreMock, do_create(_, _))
       .WillOnce(Invoke([&first_key](const Key &key, size_t) {
         first_key = key;
@@ -96,7 +97,7 @@ TEST_F(BlockStoreWithRandomKeysTest, WillTryADifferentKeyIfKeyAlreadyExists) {
 }
 
 TEST_F(BlockStoreWithRandomKeysTest, WillTryADifferentKeyIfKeyAlreadyExistsTwoTimes) {
-  Key first_key = Key::CreateDummyKey();
+  Key first_key = key;
   EXPECT_CALL(blockStoreMock, do_create(_, _))
       .WillOnce(Invoke([&first_key](const Key &key, size_t) {
         first_key = key;
diff --git a/src/test/blockstore/testutils/BlockStoreTest.h b/src/test/blockstore/testutils/BlockStoreTest.h
index d78b3b13..803f56a9 100644
--- a/src/test/blockstore/testutils/BlockStoreTest.h
+++ b/src/test/blockstore/testutils/BlockStoreTest.h
@@ -85,7 +85,7 @@ public:
 
   void TestAfterCreate_FlushesWhenDestructed() {
     DataBlockFixture randomData(size);
-    blockstore::Key key = blockstore::Key::CreateDummyKey();
+    blockstore::Key key = key;
     {
       auto block = blockStore->create(size);
       key = block.key;
@@ -97,7 +97,7 @@ public:
 
   void TestAfterLoad_FlushesWhenDestructed() {
     DataBlockFixture randomData(size);
-    blockstore::Key key = blockstore::Key::CreateDummyKey();
+    blockstore::Key key = key;
     {
       key = blockStore->create(size).key;
       auto block = blockStore->load(key);
@@ -109,17 +109,18 @@ public:
 
   void TestLoadNonExistingBlock() {
     EXPECT_FALSE(
-        (bool)blockStore->load(blockstore::Key::CreateRandomKey())
+        (bool)blockStore->load(key)
     );
   }
 
   void TestLoadNonExistingBlockWithEmptyKey() {
     EXPECT_FALSE(
-        (bool)blockStore->load(blockstore::Key::CreateDummyKey())
+        (bool)blockStore->load(key)
     );
   }
 
 private:
+  const blockstore::Key key = blockstore::Key::FromString("1491BB4932A389EE14BC7090AC772972");
   std::unique_ptr<blockstore::BlockStore> blockStore;
   size_t size;
 
diff --git a/src/test/blockstore/testutils/BlockStoreWithRandomKeysTest.h b/src/test/blockstore/testutils/BlockStoreWithRandomKeysTest.h
index 84e9ce2a..2dc16313 100644
--- a/src/test/blockstore/testutils/BlockStoreWithRandomKeysTest.h
+++ b/src/test/blockstore/testutils/BlockStoreWithRandomKeysTest.h
@@ -21,7 +21,7 @@ public:
     "Given test fixture for instantiating the (type parameterized) BlockStoreWithRandomKeysTest must inherit from BlockStoreWithRandomKeysTestFixture"
   );
 
-  blockstore::Key key = blockstore::Key::CreateDummyKey();
+  blockstore::Key key = blockstore::Key::FromString("1491BB4932A389EE14BC7090AC772972");
 
   const std::vector<size_t> SIZES = {0, 1, 1024, 4096, 10*1024*1024};