diff --git a/test/Makefile.am b/test/Makefile.am
index e914c14..4144e4b 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -16,7 +16,8 @@
 	firmware_open_unittest \
 	firmware_write_unittest \
 	firmware_writemeta_unittest \
-	firmware_close_unittest
+	firmware_close_unittest \
+	firmware_delete_unittest
 
 TESTS = $(check_PROGRAMS)
 
@@ -40,3 +41,6 @@
 
 firmware_close_unittest_SOURCES = firmware_close_unittest.cpp
 firmware_close_unittest_LDADD = $(top_builddir)/firmware_handler.o
+
+firmware_delete_unittest_SOURCES = firmware_delete_unittest.cpp
+firmware_delete_unittest_LDADD = $(top_builddir)/firmware_handler.o
diff --git a/test/firmware_delete_unittest.cpp b/test/firmware_delete_unittest.cpp
new file mode 100644
index 0000000..0697bbd
--- /dev/null
+++ b/test/firmware_delete_unittest.cpp
@@ -0,0 +1,64 @@
+#include "data_mock.hpp"
+#include "firmware_handler.hpp"
+#include "image_mock.hpp"
+
+#include <vector>
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+namespace blobs
+{
+using ::testing::Eq;
+using ::testing::Return;
+using ::testing::StrEq;
+
+TEST(FirmwareHandlerDeleteTest, DeleteActiveHashSucceeds)
+{
+    /* Delete active image succeeds. */
+    DataHandlerMock dataMock;
+    ImageHandlerMock imageMock;
+
+    std::vector<HandlerPack> blobs = {
+        {FirmwareBlobHandler::hashBlobID, &imageMock},
+        {"asdf", &imageMock},
+    };
+    std::vector<DataHandlerPack> data = {
+        {FirmwareBlobHandler::UpdateFlags::ipmi, nullptr},
+        {FirmwareBlobHandler::UpdateFlags::lpc, &dataMock},
+    };
+
+    auto handler = FirmwareBlobHandler::CreateFirmwareBlobHandler(blobs, data);
+
+    EXPECT_CALL(imageMock, open(Eq(FirmwareBlobHandler::hashBlobID)))
+        .WillOnce(Return(true));
+
+    EXPECT_TRUE(handler->open(
+        0, OpenFlags::write | FirmwareBlobHandler::UpdateFlags::ipmi,
+        FirmwareBlobHandler::hashBlobID));
+
+    /* The active hash blob_id was added. */
+    auto currentBlobs = handler->getBlobIds();
+    EXPECT_EQ(3, currentBlobs.size());
+    EXPECT_EQ(1, std::count(currentBlobs.begin(), currentBlobs.end(),
+                            FirmwareBlobHandler::activeHashBlobID));
+
+    /* Set up close() expectations. */
+    EXPECT_CALL(imageMock, close());
+    EXPECT_TRUE(handler->close(0));
+
+    currentBlobs = handler->getBlobIds();
+    EXPECT_EQ(3, currentBlobs.size());
+    EXPECT_EQ(1, std::count(currentBlobs.begin(), currentBlobs.end(),
+                            FirmwareBlobHandler::activeHashBlobID));
+
+    /* Delete the blob. */
+    EXPECT_TRUE(handler->deleteBlob(FirmwareBlobHandler::activeHashBlobID));
+
+    currentBlobs = handler->getBlobIds();
+    EXPECT_EQ(2, currentBlobs.size());
+    EXPECT_EQ(0, std::count(currentBlobs.begin(), currentBlobs.end(),
+                            FirmwareBlobHandler::activeHashBlobID));
+}
+
+} // namespace blobs