diff --git a/examples/example.aliases.yml b/examples/example.aliases.yml
index c1efc4dc17..47ea65b8af 100644
--- a/examples/example.aliases.yml
+++ b/examples/example.aliases.yml
@@ -179,10 +179,6 @@
 #     - `drush sql-sync @live @stage`
 #   NOTE: Setting boolean options broke with Symfony 3. This will be fixed
 #     in a future release. See: https://github.com/drush-ops/drush/issues/2956
-# - 'alias-parameters': These options will only be set if the alias is
-#   used as the specified parameter. `sql:sync` and `core:rsync` are the two
-#   core commands that use this entry. These commands both have `source`
-#   and `target` parameters.
 #
 # Complex example:
 #
@@ -202,12 +198,6 @@
 #       install:
 #         options:
 #           admin-password: 'secret-secret'
-#   alias-parameters:
-#     target:
-#       core:
-#         rsnyc:
-#           options:
-#             exclude-paths: sites/default/files/private
 # @endcode
 #
 # Altering aliases:
diff --git a/src/Commands/core/RsyncCommands.php b/src/Commands/core/RsyncCommands.php
index 249fd8ed75..2d38990a9b 100644
--- a/src/Commands/core/RsyncCommands.php
+++ b/src/Commands/core/RsyncCommands.php
@@ -142,9 +142,6 @@ protected function injectAliasPathParameterOptions($input, $parameterName)
 
         $aliasRecord = $evaluatedPath->getAliasRecord();
 
-        // Inject the source and target alias records into the alias config context.
-        $aliasRecord->injectIntoConfig($aliasConfigContext, $parameterName);
-
         // If the path is remote, then we will also inject the global
         // options into the alias config context so that we pick up
         // things like ssh-options.
diff --git a/src/Commands/sql/SqlSyncCommands.php b/src/Commands/sql/SqlSyncCommands.php
index a22ed6434a..40d7cc9b46 100644
--- a/src/Commands/sql/SqlSyncCommands.php
+++ b/src/Commands/sql/SqlSyncCommands.php
@@ -137,36 +137,6 @@ public function sqlsync($source, $target, $options = ['no-dump' => false, 'no-sy
         }
     }
 
-    /**
-     * Inject options from source and target alias parameters.
-     *
-     * @hook command-event sql:sync
-     * @param ConsoleCommandEvent $event
-     */
-    public function preCommandEvent(ConsoleCommandEvent $event)
-    {
-        $input = $event->getInput();
-        $this->injectAliasPathParameterOptions($input, 'source');
-        $this->injectAliasPathParameterOptions($input, 'target');
-    }
-
-    protected function injectAliasPathParameterOptions($input, $parameterName)
-    {
-        // The Drush configuration object is a ConfigOverlay; fetch the alias
-        // context, that already has the options et. al. from the
-        // site-selection alias ('drush @site rsync ...'), @self.
-        $aliasConfigContext = $this->getConfig()->getContext(ConfigLocator::ALIAS_CONTEXT);
-        $manager = $this->siteAliasManager();
-
-        $aliasName = $input->getArgument($parameterName);
-
-        // Inject the source and target alias records into the alias config context.
-        $aliasRecord = $manager->get($aliasName);
-        if (!empty($aliasRecord)) {
-            $manager->get($aliasName)->injectIntoConfig($aliasConfigContext, $parameterName);
-        }
-    }
-
     /**
      * @hook validate sql-sync
      */
diff --git a/src/SiteAlias/AliasRecord.php b/src/SiteAlias/AliasRecord.php
index cdb08a1220..8b17b1bc9f 100644
--- a/src/SiteAlias/AliasRecord.php
+++ b/src/SiteAlias/AliasRecord.php
@@ -253,28 +253,6 @@ protected function remap($data)
         return new Config($data);
     }
 
-    /**
-     * Copy options from the source and destination aliases into the
-     * alias context.
-     *
-     * This is essentially an `export` followed by `$config->combine()`.
-     * Parameter-specific options from the alias-parameters are also included.
-     *
-     * @param Config $config
-     * @param string $parameterName
-     * @return $this
-     */
-    public function injectIntoConfig($config, $parameterName = '')
-    {
-        $aliasData = $this->export();
-        $parameterSpecificData = $this->getParameterSpecificOptions($aliasData, $parameterName);
-        if (!empty($parameterSpecificData)) {
-            // Combine the data from the parameter-specific
-            $config->combine($parameterSpecificData);
-        }
-        return $this;
-    }
-
     /**
      * Fetch the parameter-specific options from the 'alias-parameters' section of the alias.
      * @param string $parameterName
diff --git a/tests/resources/alias-fixtures/example.alias.yml b/tests/resources/alias-fixtures/example.alias.yml
index bf9c5d09b0..1eb9557947 100644
--- a/tests/resources/alias-fixtures/example.alias.yml
+++ b/tests/resources/alias-fixtures/example.alias.yml
@@ -1,35 +1,19 @@
 dev:
   root: /path/to/dev
   uri: dev
-  alias-parameters:
-    source:
-      command:
-        core:
-          rsync:
-            options:
-              include-paths: dev-source
-    target:
-      command:
-        core:
-          rsync:
-            options:
-              exclude-paths: dev-target
+  command:
+    core:
+      rsync:
+        options:
+          include-paths: dev-path
 stage:
   root: /path/to/stage
   uri: stage
-  alias-parameters:
-    source:
-      command:
-        core:
-          rsync:
-            options:
-              include-paths: stage-source
-    target:
-      command:
-        core:
-          rsync:
-            options:
-              exclude-paths: stage-target
+  command:
+    core:
+      rsync:
+        options:
+          exclude-paths: stage-path
 live:
   user: www-admin
   host: service-provider.com
diff --git a/tests/rsyncTest.php b/tests/rsyncTest.php
index 13138b5529..d659cb2b77 100644
--- a/tests/rsyncTest.php
+++ b/tests/rsyncTest.php
@@ -25,17 +25,17 @@ public function testRsyncSimulated() {
 
     // Test simulated simple rsync with two local sites
     $this->drush('rsync', ['@example.stage', '@example.dev'], $options, NULL, NULL, self::EXIT_SUCCESS, '2>&1');
-    $expected = "Calling system(rsync -e 'ssh ' -akz --include=\"stage-source\" --exclude=\"dev-target\" /path/to/stage /path/to/dev);";
+    $expected = "Calling system(rsync -e 'ssh ' -akz /path/to/stage /path/to/dev);";
     $this->assertOutputEquals($expected);
 
     // Test simulated rsync with relative paths
     $this->drush('rsync', ['@example.dev:files', '@example.stage:files'], $options, NULL, NULL, self::EXIT_SUCCESS, '2>&1');
-    $expected = "Calling system(rsync -e 'ssh ' -akz --include=\"dev-source\" --exclude=\"stage-target\" /path/to/dev/files /path/to/stage/files);";
+    $expected = "Calling system(rsync -e 'ssh ' -akz /path/to/dev/files /path/to/stage/files);";
     $this->assertOutputEquals($expected);
 
     // Test simulated rsync on local machine with a remote target
     $this->drush('rsync', ['@example.dev:files', '@example.live:files'], $options, NULL, NULL, self::EXIT_SUCCESS, '2>&1');
-    $expected = "Calling system(rsync -e 'ssh -o PasswordAuthentication=example' -akz --include=\"dev-source\" /path/to/dev/files www-admin@service-provider.com:/path/on/service-provider/files);";
+    $expected = "Calling system(rsync -e 'ssh -o PasswordAuthentication=example' -akz /path/to/dev/files www-admin@service-provider.com:/path/on/service-provider/files);";
     $this->assertOutputEquals($expected);
 
     // Test simulated backend invoke.