diff --git a/firmware_handler.cpp b/firmware_handler.cpp
index 3ce65aa..3545fd2 100644
--- a/firmware_handler.cpp
+++ b/firmware_handler.cpp
@@ -81,10 +81,42 @@
 /*
  * Per the design, this mean abort, and this will trigger whatever
  * appropriate actions are required to abort the process.
+ *
+ * You cannot delete a blob that has an open handle in the system, therefore
+ * this is never called if there's an open session.  Guaranteed by the blob
+ * manager.
  */
 bool FirmwareBlobHandler::deleteBlob(const std::string& path)
 {
-    return false;
+    const std::string* toDelete;
+
+    if (path == hashBlobID || path == activeHashBlobID)
+    {
+        /* They're deleting the hash. */
+        toDelete = &activeHashBlobID;
+    }
+    else
+    {
+        /* They're deleting the image. */
+        toDelete = &activeImageBlobID;
+    }
+
+    auto it = std::find_if(
+        blobIDs.begin(), blobIDs.end(),
+        [toDelete](const auto& iter) { return (iter == *toDelete); });
+    if (it == blobIDs.end())
+    {
+        /* Somehow they've asked to delete something we didn't say we could
+         * handle.
+         */
+        return false;
+    }
+
+    blobIDs.erase(it);
+
+    /* TODO: Handle aborting the process and fixing up the state. */
+
+    return true;
 }
 
 /*
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