diff --git a/zig-ecs/examples/view_vs_group.zig b/zig-ecs/examples/view_vs_group.zig
index 94eaf8c..4b50f07 100644
--- a/zig-ecs/examples/view_vs_group.zig
+++ b/zig-ecs/examples/view_vs_group.zig
@@ -12,7 +12,7 @@ pub fn main() !void {
     var reg = ecs.Registry.init(std.heap.c_allocator);
     defer reg.deinit();
 
-    var timer = try std.time.Timer.start();
+    // var timer = try std.time.Timer.start();
 
     createEntities(&reg);
     iterateView(&reg);
@@ -96,8 +96,8 @@ fn owningGroup(reg: *ecs.Registry) void {
 
     timer.reset();
 
-    var storage = reg.assure(Velocity);
-    var vel = storage.instances.items;
+    // var storage = reg.assure(Velocity);
+    // var vel = storage.instances.items;
     var pos = reg.assure(Position).instances.items;
 
     var index: usize = group.group_data.current;
diff --git a/zig-ecs/src/ecs/component_storage.zig b/zig-ecs/src/ecs/component_storage.zig
index e1b070a..a2eb783 100644
--- a/zig-ecs/src/ecs/component_storage.zig
+++ b/zig-ecs/src/ecs/component_storage.zig
@@ -145,7 +145,7 @@ pub fn ComponentStorage(comptime Component: type, comptime Entity: type) type {
         pub fn reserve(self: *Self, cap: usize) void {
             self.set.reserve(cap);
             if (!is_empty_struct) {
-                elf.instances.items.reserve(cap);
+                self.instances.items.reserve(cap);
             }
         }
 
diff --git a/zig-ecs/src/ecs/registry.zig b/zig-ecs/src/ecs/registry.zig
index 5a64402..4d94f32 100644
--- a/zig-ecs/src/ecs/registry.zig
+++ b/zig-ecs/src/ecs/registry.zig
@@ -236,7 +236,7 @@ pub const Registry = struct {
     }
 
     /// Increases the capacity of the registry or of the pools for the given component
-    pub fn reserve(self: *Self, comptime T: type, cap: usize) void {
+    pub fn reserve(self: *Registry, comptime T: type, cap: usize) void {
         self.assure(T).reserve(cap);
     }