diff --git a/examples/constants.cr b/examples/constants.cr
index 099f980..907d12c 100644
--- a/examples/constants.cr
+++ b/examples/constants.cr
@@ -41,3 +41,10 @@ puts ""
   puts "Sodium::Digest::Blake2b::{{ name.id }} #{Sodium::Digest::Blake2b::{{ name.id }}}"
 {% end %}
 puts ""
+
+{% for sk in [Sodium::CryptoBox::SecretKey, Sodium::Sign::SecretKey] %}
+  sk = {{sk.id}}.new
+  pk = sk.public_key
+  puts "#{sk.class} bytesize #{sk.to_slice.bytesize}"
+  puts "#{pk.class} bytesize #{pk.to_slice.bytesize}"
+{% end %}
diff --git a/shard.yml b/shard.yml
index 279f5a4..9c5c7fe 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,14 +1,10 @@
 name: sodium
-version: 0.9.0
+version: 0.9.1
 
 authors:
   - Andrew Hamon <andrew@hamon.cc>
   - Didactic Drunk <1479616+didactic-drunk@users.noreply.github.com>
 
-development_dependencies:
-  ghshard:
-    github: bcardiff/ghshard
-
 crystal: 0.28.0
 
 license: MIT
diff --git a/src/sodium/key.cr b/src/sodium/key.cr
index ab65faa..d402385 100644
--- a/src/sodium/key.cr
+++ b/src/sodium/key.cr
@@ -6,13 +6,5 @@ module Sodium
     include Sodium::Wipe
 
     abstract def to_slice : Bytes
-
-    def to_base64
-      Base64.encode(to_slice)
-    end
-
-    def self.from_base64(encoded_key)
-      new(Base64.decode(encoded_key))
-    end
   end
 end
diff --git a/src/sodium/version.cr b/src/sodium/version.cr
index 83bf696..a5143c6 100644
--- a/src/sodium/version.cr
+++ b/src/sodium/version.cr
@@ -1,3 +1,3 @@
 module Sodium
-  VERSION = "0.1.0"
+  VERSION = "0.9.0"
 end