diff --git a/lib/CommandResult.php b/lib/CommandResult.php
index 933bbab..59de3e5 100644
--- a/lib/CommandResult.php
+++ b/lib/CommandResult.php
@@ -2,7 +2,7 @@
 
 namespace Amp\Postgres;
 
-interface CommandResult extends \Countable, Result {
+interface CommandResult extends Result {
     /**
      * Returns the number of rows affected by the query.
      *
diff --git a/lib/PgSqlCommandResult.php b/lib/PgSqlCommandResult.php
index c9828eb..5d7d6f0 100644
--- a/lib/PgSqlCommandResult.php
+++ b/lib/PgSqlCommandResult.php
@@ -33,11 +33,4 @@ class PgSqlCommandResult implements CommandResult {
     public function lastOid(): string {
         return (string) \pg_last_oid($this->handle);
     }
-
-    /**
-     * @return int
-     */
-    public function count(): int {
-        return $this->affectedRows();
-    }
-}
\ No newline at end of file
+}
diff --git a/lib/PqCommandResult.php b/lib/PqCommandResult.php
index 4ed1b0f..7b186e7 100644
--- a/lib/PqCommandResult.php
+++ b/lib/PqCommandResult.php
@@ -20,11 +20,4 @@ class PqCommandResult implements CommandResult {
     public function affectedRows(): int {
         return $this->result->affectedRows;
     }
-
-    /**
-     * @return int
-     */
-    public function count() {
-        return $this->affectedRows();
-    }
-}
\ No newline at end of file
+}