diff --git a/tests/engine/test_token_bucket.cpp b/tests/engine/test_token_bucket.cpp
index 412c996b..01893027 100644
--- a/tests/engine/test_token_bucket.cpp
+++ b/tests/engine/test_token_bucket.cpp
@@ -74,4 +74,10 @@ TEST_CASE("token bucket with 2 tokens/sec rate, max 10 tokens", "[token_bucket]"
 	    }
 	}
     }
-}
\ No newline at end of file
+}
+
+TEST_CASE("token bucket default initialization", "[token_bucket]")
+{
+    token_bucket tb;
+    REQUIRE(tb.get_tokens() == 1);
+}
diff --git a/userspace/engine/token_bucket.h b/userspace/engine/token_bucket.h
index 03c4790e..1dd60c26 100644
--- a/userspace/engine/token_bucket.h
+++ b/userspace/engine/token_bucket.h
@@ -22,8 +22,6 @@ limitations under the License.
 #include <cstdint>
 #include <functional>
 
-using token_timer = std::function<uint64_t()>;
-
 // A simple token bucket that accumulates tokens at a fixed rate and allows
 // for limited bursting in the form of "banked" tokens.
 class token_bucket
@@ -79,4 +77,4 @@ class token_bucket
     // Nanoseconds since the epoch.
     //
     uint64_t m_last_seen;
-};
\ No newline at end of file
+};