diff --git a/Cargo.toml b/Cargo.toml
index 2b37e54..b4944ee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,8 +14,8 @@ glob = "0.2"
 [lib]
 
 [[bin]]
-name = "wasm-opt"
-path = "opt/src/main.rs"
+name = "wasm-prune"
+path = "prune/src/main.rs"
 
 [[bin]]
 name = "wasm-ext"
diff --git a/README.md b/README.md
index 636d48a..5d6c575 100644
--- a/README.md
+++ b/README.md
@@ -10,10 +10,10 @@ Easiest way to use is to install via `cargo install`:
 cargo install --git https://github.com/paritytech/wasm-utils wasm-build
 ```
 
-## Symbols optimizer (wasm-opt)
+## Symbols pruning (wasm-prune)
 
 ```
-cargo run --release --bin wasm-opt -- <input_binary.wasm> <output_binary.wasm>
+cargo run --release --bin wasm-prune -- <input_binary.wasm> <output_binary.wasm>
 ```
 
 This will optimize WASM symbols tree to leave only those elements that are used by contract `_call` function entry.
diff --git a/opt/.gitignore b/prune/.gitignore
similarity index 100%
rename from opt/.gitignore
rename to prune/.gitignore
diff --git a/opt/Cargo.toml b/prune/Cargo.toml
similarity index 100%
rename from opt/Cargo.toml
rename to prune/Cargo.toml
diff --git a/opt/src/main.rs b/prune/src/main.rs
similarity index 100%
rename from opt/src/main.rs
rename to prune/src/main.rs