diff --git a/README.md b/README.md
index 42105e3..d1d5608 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,6 @@ Add this to your application's `shard.yml`:
 dependencies:
   core:
     github: vladfaust/core.cr
-    version: ~> 0.2.1
 ```
 
 ## Usage
diff --git a/src/core/version.cr b/src/core/version.cr
deleted file mode 100644
index dbf8801..0000000
--- a/src/core/version.cr
+++ /dev/null
@@ -1,3 +0,0 @@
-module Core
-  VERSION = "0.2.1"
-end