diff --git a/.gitignore b/.gitignore
index 5ff6309..0bc6b66 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 target/
-!.mvn/wrapper/maven-wrapper.jar
+.mvn/wrapper/maven-wrapper.jar
 !**/src/main/**/target/
 !**/src/test/**/target/
 
@@ -35,4 +35,4 @@ build/
 .vscode/
 
 ### Mac OS ###
-.DS_Store
\ No newline at end of file
+.DS_Store
diff --git a/zeronos-proto/src/main/proto/rpc.proto b/zeronos-proto/src/main/proto/rpc.proto
index 777d8ae..23c76bc 100644
--- a/zeronos-proto/src/main/proto/rpc.proto
+++ b/zeronos-proto/src/main/proto/rpc.proto
@@ -50,3 +50,13 @@ message PutRequest {
 message PutResponse {
   ResponseHeader header = 1;
 }
+
+message DeleteRangeRequest {
+  bytes key = 1;
+  bytes range_end = 2;
+}
+
+message DeleteRangeResponse {
+  ResponseHeader header = 1;
+  int64 deleted = 2;
+}