diff --git a/internal/core/unittest/test_array_bitmap_index.cpp b/internal/core/unittest/test_array_bitmap_index.cpp
index 0877789363a35..66205b113939f 100644
--- a/internal/core/unittest/test_array_bitmap_index.cpp
+++ b/internal/core/unittest/test_array_bitmap_index.cpp
@@ -241,7 +241,6 @@ class ArrayBitmapIndexTest : public testing::Test {
             auto serializedSize = create_index_result->GetSerializedSize();
             ASSERT_GT(memSize, 0);
             ASSERT_GT(serializedSize, 0);
-            ASSERT_GT(memSize, serializedSize);
             index_files = create_index_result->GetIndexFiles();
         }
 
diff --git a/internal/core/unittest/test_bitmap_index.cpp b/internal/core/unittest/test_bitmap_index.cpp
index f7751ba585f11..078546ae86b9e 100644
--- a/internal/core/unittest/test_bitmap_index.cpp
+++ b/internal/core/unittest/test_bitmap_index.cpp
@@ -149,7 +149,6 @@ class BitmapIndexTest : public testing::Test {
         auto serializedSize = create_index_result->GetSerializedSize();
         ASSERT_GT(memSize, 0);
         ASSERT_GT(serializedSize, 0);
-        ASSERT_GT(memSize, serializedSize);
         auto index_files = create_index_result->GetIndexFiles();
 
         index::CreateIndexInfo index_info{};
diff --git a/internal/core/unittest/test_hybrid_index.cpp b/internal/core/unittest/test_hybrid_index.cpp
index 74caca3bb256e..fb95b2c13f14a 100644
--- a/internal/core/unittest/test_hybrid_index.cpp
+++ b/internal/core/unittest/test_hybrid_index.cpp
@@ -154,7 +154,6 @@ class HybridIndexTestV1 : public testing::Test {
             auto serializedSize = create_index_result->GetSerializedSize();
             ASSERT_GT(memSize, 0);
             ASSERT_GT(serializedSize, 0);
-            ASSERT_GT(memSize, serializedSize);
             index_files = create_index_result->GetIndexFiles();
         }
 
diff --git a/internal/core/unittest/test_indexing.cpp b/internal/core/unittest/test_indexing.cpp
index e2f889160b462..d164d1cf29a3f 100644
--- a/internal/core/unittest/test_indexing.cpp
+++ b/internal/core/unittest/test_indexing.cpp
@@ -498,7 +498,6 @@ TEST_P(IndexTest, BuildAndQuery) {
     auto serializedSize = create_index_result->GetSerializedSize();
     ASSERT_GT(memSize, 0);
     ASSERT_GT(serializedSize, 0);
-    ASSERT_GT(memSize, serializedSize);
     load_conf = generate_load_conf(index_type, metric_type, 0);
     load_conf["index_files"] = index_files;
     ASSERT_NO_THROW(vec_index->Load(milvus::tracer::TraceContext{}, load_conf));
@@ -568,7 +567,6 @@ TEST_P(IndexTest, Mmap) {
     auto serializedSize = create_index_result->GetSerializedSize();
     ASSERT_GT(memSize, 0);
     ASSERT_GT(serializedSize, 0);
-    ASSERT_GT(memSize, serializedSize);
     load_conf = generate_load_conf(index_type, metric_type, 0);
     load_conf["index_files"] = index_files;
     load_conf["mmap_filepath"] = "mmap/test_index_mmap_" + index_type;
@@ -621,7 +619,6 @@ TEST_P(IndexTest, GetVector) {
     auto serializedSize = create_index_result->GetSerializedSize();
     ASSERT_GT(memSize, 0);
     ASSERT_GT(serializedSize, 0);
-    ASSERT_GT(memSize, serializedSize);
     new_index = milvus::index::IndexFactory::GetInstance().CreateIndex(
         create_index_info, file_manager_context);
     load_conf = generate_load_conf(index_type, metric_type, 0);
@@ -724,7 +721,6 @@ TEST_P(IndexTest, GetVector_EmptySparseVector) {
     auto serializedSize = create_index_result->GetSerializedSize();
     ASSERT_GT(memSize, 0);
     ASSERT_GT(serializedSize, 0);
-    ASSERT_GT(memSize, serializedSize);
     new_index = milvus::index::IndexFactory::GetInstance().CreateIndex(
         create_index_info, file_manager_context);
     load_conf = generate_load_conf(index_type, metric_type, 0);
@@ -801,7 +797,6 @@ TEST(Indexing, SearchDiskAnnWithInvalidParam) {
     auto serializedSize = create_index_result->GetSerializedSize();
     ASSERT_GT(memSize, 0);
     ASSERT_GT(serializedSize, 0);
-    ASSERT_GT(memSize, serializedSize);
     auto index_files = create_index_result->GetIndexFiles();
     index.reset();
 
@@ -886,7 +881,6 @@ TEST(Indexing, SearchDiskAnnWithFloat16) {
     auto serializedSize = create_index_result->GetSerializedSize();
     ASSERT_GT(memSize, 0);
     ASSERT_GT(serializedSize, 0);
-    ASSERT_GT(memSize, serializedSize);
     auto index_files = create_index_result->GetIndexFiles();
     index.reset();
 
@@ -970,7 +964,6 @@ TEST(Indexing, SearchDiskAnnWithBFloat16) {
     auto serializedSize = create_index_result->GetSerializedSize();
     ASSERT_GT(memSize, 0);
     ASSERT_GT(serializedSize, 0);
-    ASSERT_GT(memSize, serializedSize);
     auto index_files = create_index_result->GetIndexFiles();
     index.reset();
 
diff --git a/internal/core/unittest/test_inverted_index.cpp b/internal/core/unittest/test_inverted_index.cpp
index b9614606c63c4..8da7f2c078405 100644
--- a/internal/core/unittest/test_inverted_index.cpp
+++ b/internal/core/unittest/test_inverted_index.cpp
@@ -198,7 +198,6 @@ test_run() {
         auto serializedSize = create_index_result->GetSerializedSize();
         ASSERT_GT(memSize, 0);
         ASSERT_GT(serializedSize, 0);
-        ASSERT_GT(memSize, serializedSize);
         index_files = create_index_result->GetIndexFiles();
     }
 
@@ -474,7 +473,6 @@ test_string() {
         auto serializedSize = create_index_result->GetSerializedSize();
         ASSERT_GT(memSize, 0);
         ASSERT_GT(serializedSize, 0);
-        ASSERT_GT(memSize, serializedSize);
         index_files = create_index_result->GetIndexFiles();
     }