diff --git a/include/binarystore.hpp b/include/binarystore.hpp
index aa83714..3b5e1a8 100644
--- a/include/binarystore.hpp
+++ b/include/binarystore.hpp
@@ -49,10 +49,6 @@
         file_(std::move(file)), maxSize(maxSize)
     {
         blob_.set_blob_base_id(baseBlobId_);
-        if (maxSize)
-        {
-            blob_.set_max_size_bytes(*maxSize);
-        }
     }
 
     BinaryStore(std::unique_ptr<SysFile> file, bool readOnly = false,
@@ -60,10 +56,6 @@
         readOnly_{readOnly},
         file_(std::move(file)), maxSize(maxSize)
     {
-        if (maxSize)
-        {
-            blob_.set_max_size_bytes(*maxSize);
-        }
     }
 
     ~BinaryStore() = default;
diff --git a/proto/binaryblob.proto b/proto/binaryblob.proto
index ceb7735..e4b9b8b 100644
--- a/proto/binaryblob.proto
+++ b/proto/binaryblob.proto
@@ -11,5 +11,6 @@
 message BinaryBlobBase {
     optional string blob_base_id = 1; // Common parent path of contained blobs
     repeated BinaryBlob blobs = 2;
-    optional uint32 max_size_bytes = 3;
+    reserved "max_size_bytes";
+    reserved 3;
 }
diff --git a/src/binarystore.cpp b/src/binarystore.cpp
index c69a653..31a2b61 100644
--- a/src/binarystore.cpp
+++ b/src/binarystore.cpp
@@ -96,16 +96,6 @@
              * and is a valid case to handle. Simply init an empty binstore. */
             commitState_ = CommitState::Uninitialized;
         }
-
-        // The new max size takes priority
-        if (maxSize)
-        {
-            blob_.set_max_size_bytes(*maxSize);
-        }
-        else
-        {
-            blob_.clear_max_size_bytes();
-        }
     }
     catch (const std::system_error& e)
     {
diff --git a/test/binarystore_unittest.cpp b/test/binarystore_unittest.cpp
index 5b618e3..8103d6f 100644
--- a/test/binarystore_unittest.cpp
+++ b/test/binarystore_unittest.cpp
@@ -37,13 +37,11 @@
                                "    data:\"" +
                                blobData +
                                "\""
-                               "}] "
-                               "max_size_bytes: 64";
+                               "}]";
 const std::string smallInputProto = "blob_base_id: \"/s/test\""
                                     "blobs: [{ "
                                     "    blob_id: \"/s/test/0\""
-                                    "}] "
-                                    "max_size_bytes: 64";
+                                    "}]";
 
 class SysFileBuf : public binstore::SysFile
 {
@@ -216,15 +214,15 @@
 
     EXPECT_TRUE(store->openOrCreateBlob(
         "/s/test/0", blobs::OpenFlags::write | blobs::OpenFlags::read));
-    // Current size 24(blob_ + max_size) + 8(size var) = 32
+    // Current size 22(blob_) + 8(size var) = 30
     EXPECT_TRUE(store->write(
-        0, writeData)); // 44 =  32(existing) + 10 (data) + 2 (blob_id '/0')
+        0, writeData)); // 42 =  30(existing) + 10 (data) + 2 (blob_id '/0')
     EXPECT_FALSE(
-        store->write(10, writeData)); // 54 = 44 (existing) + 10 (new data)
+        store->write(10, writeData)); // 52 = 42 (existing) + 10 (new data)
     EXPECT_FALSE(
-        store->write(5, writeData)); // 49 = 44 (existing) + 5 (new data)
+        store->write(7, writeData)); // 49 = 42 (existing) + 7 (new data)
     EXPECT_TRUE(
-        store->write(4, writeData)); // 48 = 44 (existing) + 4 (new data)
+        store->write(6, writeData)); // 48 = 42 (existing) + 6 (new data)
 }
 
 TEST_F(BinaryStoreTest, TestCreateFromConfigExceedMaxSize)