diff --git a/plugins/acpi-phat/fu-acpi-phat-version-element.c b/plugins/acpi-phat/fu-acpi-phat-version-element.c
index 7ec270551..4a323d261 100644
--- a/plugins/acpi-phat/fu-acpi-phat-version-element.c
+++ b/plugins/acpi-phat/fu-acpi-phat-version-element.c
@@ -44,7 +44,6 @@ fu_acpi_phat_version_element_parse (FuFirmware *firmware,
 	gchar producer_id[4] = { '\0' };
 	gsize bufsz = 0;
 	guint64 version_value = 0;
-	g_autofree gchar *guid_str = NULL;
 	const guint8 *buf = g_bytes_get_data (fw, &bufsz);
 
 	/* hardcoded */
diff --git a/plugins/pixart-rf/fu-pxi-receiver-device.c b/plugins/pixart-rf/fu-pxi-receiver-device.c
index add576222..d08c7ddf1 100644
--- a/plugins/pixart-rf/fu-pxi-receiver-device.c
+++ b/plugins/pixart-rf/fu-pxi-receiver-device.c
@@ -306,7 +306,6 @@ fu_pxi_receiver_device_write_payload (FuDevice *device, FuChunk *chk, GError **e
 	guint8 status = 0x0;
 	g_autoptr(GByteArray) ota_cmd = g_byte_array_new ();
 	g_autoptr(GByteArray) receiver_device_cmd = g_byte_array_new ();
-	g_autoptr(GTimer) timer = g_timer_new ();
 
 	/* ota write payload command */
 	fu_byte_array_append_uint8 (ota_cmd, fu_chunk_get_data_sz (chk));			/* ota command length */
diff --git a/plugins/pixart-rf/fu-pxi-wireless-device.c b/plugins/pixart-rf/fu-pxi-wireless-device.c
index 2d2a5e69b..1d7903e5c 100644
--- a/plugins/pixart-rf/fu-pxi-wireless-device.c
+++ b/plugins/pixart-rf/fu-pxi-wireless-device.c
@@ -282,7 +282,6 @@ fu_pxi_wireless_device_write_payload (FuDevice *device, FuChunk *chk, GError **e
 	guint8 status = 0x0;
 	g_autoptr(GByteArray) ota_cmd = g_byte_array_new ();
 	g_autoptr(GByteArray) receiver_cmd = g_byte_array_new ();
-	g_autoptr(GTimer) timer = g_timer_new ();
 
 	/* proxy */
 	parent = fu_pxi_wireless_device_get_parent (device, error);
@@ -574,7 +573,6 @@ fu_pxi_wireless_device_write_firmware (FuDevice *device,
 	FuPxiWirelessDevice *self = FU_PXI_WIRELESS_DEVICE (device);
 	g_autoptr(GBytes) fw = NULL;
 	g_autoptr(GPtrArray) chunks = NULL;
-	g_autoptr(GError) error_local = NULL;
 
 	/* get the default image */
 	fw = fu_firmware_get_bytes (firmware, error);