diff --git a/src/Buffer.php b/src/Buffer.php
index f97505c..abdfd15 100644
--- a/src/Buffer.php
+++ b/src/Buffer.php
@@ -181,14 +181,6 @@ class Buffer implements StreamInterface
         return true;
     }
 
-    /**
-     * Alias for {@see isWritable()}.
-     */
-    public function isWriteable(): bool
-    {
-        return $this->isWritable();
-    }
-
     /**
      * Writes $string at the current cursor position, overwriting existing bytes.
      *
diff --git a/src/Resource.php b/src/Resource.php
index 0f49c76..6b1f468 100644
--- a/src/Resource.php
+++ b/src/Resource.php
@@ -138,14 +138,6 @@ abstract class Resource implements StreamInterface
         return $this->writeable;
     }
 
-    /**
-     * Alias for {@see isWritable()}.
-     */
-    public function isWriteable(): bool
-    {
-        return $this->isWritable();
-    }
-
     /**
      * Writes $string at the current cursor position and returns the bytes written.
      *