diff --git a/dapps/src/apps/cache.rs b/dapps/src/apps/cache.rs
index 54c1354cd..c9ca12db9 100644
--- a/dapps/src/apps/cache.rs
+++ b/dapps/src/apps/cache.rs
@@ -47,7 +47,7 @@ impl ContentCache {
 	}
 
 	pub fn clear_garbage(&mut self, expected_size: usize) -> Vec<(String, ContentStatus)> {
-		let mut len = self.cache.len();
+		let len = self.cache.len();
 
 		if len <= expected_size {
 			return Vec::new();