diff --git a/gio/gappinfo.c b/gio/gappinfo.c
index 01c5d09c2..bfcc85b96 100644
--- a/gio/gappinfo.c
+++ b/gio/gappinfo.c
@@ -877,8 +877,8 @@ g_app_launch_context_init (GAppLaunchContext *context)
 /**
  * g_app_launch_context_setenv:
  * @context: a #GAppLaunchContext
- * @variable: (type filename): the environment variable to set
- * @value: (type filename): the value for to set the variable to.
+ * @variable: the environment variable to set
+ * @value: the value for to set the variable to.
  *
  * Arranges for @variable to be set to @value in the child's
  * environment when @context is used to launch an application.
@@ -900,7 +900,7 @@ g_app_launch_context_setenv (GAppLaunchContext *context,
 /**
  * g_app_launch_context_unsetenv:
  * @context: a #GAppLaunchContext
- * @variable: (type filename): the environment variable to remove
+ * @variable: the environment variable to remove
  *
  * Arranges for @variable to be unset in the child's environment
  * when @context is used to launch an application.
@@ -927,8 +927,8 @@ g_app_launch_context_unsetenv (GAppLaunchContext *context,
  * This is a %NULL-terminated array of strings, where each string has
  * the form `KEY=VALUE`.
  *
- * Returns: (array zero-terminated=1) (element-type filename) (transfer full):
- *     the child's environment
+ * Returns: (array zero-terminated=1) (transfer full): the
+ *     child's environment
  *
  * Since: 2.32
  */
diff --git a/gio/gapplication.c b/gio/gapplication.c
index 9909a44b5..f0af77b0b 100644
--- a/gio/gapplication.c
+++ b/gio/gapplication.c
@@ -2198,8 +2198,7 @@ g_application_open (GApplication  *application,
  * g_application_run:
  * @application: a #GApplication
  * @argc: the argc from main() (or 0 if @argv is %NULL)
- * @argv: (array length=argc) (element-type filename) (allow-none):
- *     the argv from main(), or %NULL
+ * @argv: (array length=argc) (allow-none): the argv from main(), or %NULL
  *
  * Runs the application.
  *
diff --git a/gio/gapplicationcommandline.c b/gio/gapplicationcommandline.c
index 151ec5852..2c6718761 100644
--- a/gio/gapplicationcommandline.c
+++ b/gio/gapplicationcommandline.c
@@ -463,8 +463,8 @@ g_application_command_line_class_init (GApplicationCommandLineClass *class)
  * The return value is %NULL-terminated and should be freed using
  * g_strfreev().
  *
- * Returns: (array length=argc) (element-type filename) (transfer full)
- *      the string array containing the arguments (the argv)
+ * Returns: (array length=argc) (transfer full): the string array
+ * containing the arguments (the argv)
  *
  * Since: 2.28
  **/
@@ -582,8 +582,8 @@ g_application_command_line_get_cwd (GApplicationCommandLine *cmdline)
  * See g_application_command_line_getenv() if you are only interested
  * in the value of a single environment variable.
  *
- * Returns: (array zero-terminated=1) (element-type filename) (transfer none):
- *     the environment strings, or %NULL if they were not sent
+ * Returns: (array zero-terminated=1) (transfer none): the environment
+ * strings, or %NULL if they were not sent
  *
  * Since: 2.28
  **/
@@ -596,7 +596,7 @@ g_application_command_line_get_environ (GApplicationCommandLine *cmdline)
 /**
  * g_application_command_line_getenv:
  * @cmdline: a #GApplicationCommandLine
- * @name: (type filename): the environment variable to get
+ * @name: the environment variable to get
  *
  * Gets the value of a particular environment variable of the command
  * line invocation, as would be returned by g_getenv().  The strings may
@@ -805,7 +805,7 @@ g_application_command_line_get_platform_data (GApplicationCommandLine *cmdline)
 /**
  * g_application_command_line_create_file_for_arg:
  * @cmdline: a #GApplicationCommandLine
- * @arg: (type filename): an argument from @cmdline
+ * @arg: an argument from @cmdline
  *
  * Creates a #GFile corresponding to a filename that was given as part
  * of the invocation of @cmdline.
diff --git a/gio/gdesktopappinfo.c b/gio/gdesktopappinfo.c
index 6318cbc6d..f45328e4f 100644
--- a/gio/gdesktopappinfo.c
+++ b/gio/gdesktopappinfo.c
@@ -3676,7 +3676,7 @@ g_desktop_app_info_delete (GAppInfo *appinfo)
 /* Create for commandline {{{2 */
 /**
  * g_app_info_create_from_commandline:
- * @commandline: (type filename): the commandline to use
+ * @commandline: the commandline to use
  * @application_name: (allow-none): the application name, or %NULL to use @commandline
  * @flags: flags that can specify details of the created #GAppInfo
  * @error: a #GError location to store the error occurring, %NULL to ignore.
diff --git a/gio/gfile.c b/gio/gfile.c
index 9a5a66175..6226e360c 100644
--- a/gio/gfile.c
+++ b/gio/gfile.c
@@ -6483,7 +6483,7 @@ new_for_cmdline_arg (const gchar *arg,
 
 /**
  * g_file_new_for_commandline_arg:
- * @arg: (type filename): a command line string
+ * @arg: a command line string
  *
  * Creates a #GFile with the given argument from the command line.
  * The value of @arg can be either a URI, an absolute path or a
@@ -6513,7 +6513,7 @@ g_file_new_for_commandline_arg (const char *arg)
 
 /**
  * g_file_new_for_commandline_arg_and_cwd:
- * @arg: (type filename): a command line string
+ * @arg: a command line string
  * @cwd: (type filename): the current working directory of the commandline
  *
  * Creates a #GFile with the given argument from the command line.
diff --git a/gio/gsubprocess.c b/gio/gsubprocess.c
index cd88eb890..170e7e71f 100644
--- a/gio/gsubprocess.c
+++ b/gio/gsubprocess.c
@@ -697,7 +697,7 @@ g_subprocess_new (GSubprocessFlags   flags,
 
 /**
  * g_subprocess_newv: (rename-to g_subprocess_new)
- * @argv: (array zero-terminated=1) (element-type filename): commandline arguments for the subprocess
+ * @argv: (array zero-terminated=1) (element-type utf8): commandline arguments for the subprocess
  * @flags: flags that define the behaviour of the subprocess
  * @error: (allow-none): return location for an error, or %NULL
  *
diff --git a/gio/gsubprocesslauncher.c b/gio/gsubprocesslauncher.c
index 75a5cd6f0..340e002ec 100644
--- a/gio/gsubprocesslauncher.c
+++ b/gio/gsubprocesslauncher.c
@@ -225,8 +225,7 @@ g_subprocess_launcher_new (GSubprocessFlags flags)
 /**
  * g_subprocess_launcher_set_environ:
  * @self: a #GSubprocess
- * @env: (array zero-terminated=1) (element-type filename) (nullable) (transfer none):
- *     the replacement environment
+ * @env: the replacement environment
  *
  * Replace the entire environment of processes launched from this
  * launcher with the given 'environ' variable.
@@ -254,9 +253,8 @@ g_subprocess_launcher_set_environ (GSubprocessLauncher  *self,
 /**
  * g_subprocess_launcher_setenv:
  * @self: a #GSubprocess
- * @variable: (type filename): the environment variable to set,
- *     must not contain '='
- * @value: (type filename): the new value for the variable
+ * @variable: the environment variable to set, must not contain '='
+ * @value: the new value for the variable
  * @overwrite: whether to change the variable if it already exists
  *
  * Sets the environment variable @variable in the environment of
@@ -280,8 +278,7 @@ g_subprocess_launcher_setenv (GSubprocessLauncher *self,
 /**
  * g_subprocess_launcher_unsetenv:
  * @self: a #GSubprocess
- * @variable: (type filename): the environment variable to unset,
- *     must not contain '='
+ * @variable: the environment variable to unset, must not contain '='
  *
  * Removes the environment variable @variable from the environment of
  * processes launched from this launcher.
@@ -301,7 +298,7 @@ g_subprocess_launcher_unsetenv (GSubprocessLauncher *self,
 /**
  * g_subprocess_launcher_getenv:
  * @self: a #GSubprocess
- * @variable: (type filename): the environment variable to get
+ * @variable: the environment variable to get
  *
  * Returns the value of the environment variable @variable in the
  * environment of processes launched from this launcher.
@@ -309,8 +306,7 @@ g_subprocess_launcher_unsetenv (GSubprocessLauncher *self,
  * On UNIX, the returned string can be an arbitrary byte string.
  * On Windows, it will be UTF-8.
  *
- * Returns: (type filename): the value of the environment variable,
- *     %NULL if unset
+ * Returns: the value of the environment variable, %NULL if unset
  *
  * Since: 2.40
  **/
@@ -715,7 +711,7 @@ g_subprocess_launcher_spawn (GSubprocessLauncher  *launcher,
 /**
  * g_subprocess_launcher_spawnv:
  * @self: a #GSubprocessLauncher
- * @argv: (array zero-terminated=1) (element-type filename): Command line arguments
+ * @argv: (array zero-terminated=1) (element-type utf8): Command line arguments
  * @error: Error
  *
  * Creates a #GSubprocess given a provided array of arguments.