diff --git a/block/qcow.c b/block/qcow.c
index c8bfecc1cb..eba5a04c44 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -596,7 +596,7 @@ static int qcow_co_writev(BlockDriverState *bs, int64_t sector_num,
     if (qiov->niov > 1) {
         qemu_vfree(orig_buf);
     }
-    free(cluster_data);
+    g_free(cluster_data);
 
     return ret;
 }
diff --git a/block/sheepdog.c b/block/sheepdog.c
index c1f6e07ec1..ae857e294c 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -66,7 +66,7 @@
  * 20 - 31 (12 bits): reserved data object space
  * 32 - 55 (24 bits): vdi object space
  * 56 - 59 ( 4 bits): reserved vdi object space
- * 60 - 63 ( 4 bits): object type indentifier space
+ * 60 - 63 ( 4 bits): object type identifier space
  */
 
 #define VDI_SPACE_SHIFT   32
diff --git a/hpet.h b/hpet.h
deleted file mode 100644
index 754051a443..0000000000
--- a/hpet.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#ifndef	__HPET__
-#define	__HPET__ 1
-
-
-
-struct hpet_info {
-	unsigned long hi_ireqfreq;	/* Hz */
-	unsigned long hi_flags;	/* information */
-	unsigned short hi_hpet;
-	unsigned short hi_timer;
-};
-
-#define	HPET_INFO_PERIODIC	0x0001	/* timer is periodic */
-
-#define	HPET_IE_ON	_IO('h', 0x01)	/* interrupt on */
-#define	HPET_IE_OFF	_IO('h', 0x02)	/* interrupt off */
-#define	HPET_INFO	_IOR('h', 0x03, struct hpet_info)
-#define	HPET_EPI	_IO('h', 0x04)	/* enable periodic */
-#define	HPET_DPI	_IO('h', 0x05)	/* disable periodic */
-#define	HPET_IRQFREQ	_IOW('h', 0x6, unsigned long)	/* IRQFREQ usec */
-
-#endif				/* !__HPET__ */
diff --git a/hw/arm_pic.c b/hw/arm_pic.c
index 985148a380..41f8d3e112 100644
--- a/hw/arm_pic.c
+++ b/hw/arm_pic.c
@@ -39,7 +39,7 @@ static void arm_pic_cpu_handler(void *opaque, int irq, int level)
             cpu_reset_interrupt(env, CPU_INTERRUPT_FIQ);
         break;
     default:
-        hw_error("arm_pic_cpu_handler: Bad interrput line %d\n", irq);
+        hw_error("arm_pic_cpu_handler: Bad interrupt line %d\n", irq);
     }
 }
 
diff --git a/qemu-char.c b/qemu-char.c
index 8bdbcfdad2..fb9e058961 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -1664,8 +1664,8 @@ static int qemu_chr_open_win(QemuOpts *opts, CharDriverState **_chr)
     chr->chr_close = win_chr_close;
 
     if (win_chr_init(chr, filename) < 0) {
-        free(s);
-        free(chr);
+        g_free(s);
+        g_free(chr);
         return -EIO;
     }
     qemu_chr_generic_open(chr);
@@ -1766,8 +1766,8 @@ static int qemu_chr_open_win_pipe(QemuOpts *opts, CharDriverState **_chr)
     chr->chr_close = win_chr_close;
 
     if (win_chr_pipe_init(chr, filename) < 0) {
-        free(s);
-        free(chr);
+        g_free(s);
+        g_free(chr);
         return -EIO;
     }
     qemu_chr_generic_open(chr);
diff --git a/qemu-options.hx b/qemu-options.hx
index dfbabd0088..d4fe990e27 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1673,15 +1673,15 @@ Connect to a local parallel port.
 @option{path} specifies the path to the parallel port device. @option{path} is
 required.
 
-#if defined(CONFIG_SPICE)
 @item -chardev spicevmc ,id=@var{id} ,debug=@var{debug}, name=@var{name}
 
+@option{spicevmc} is only available when spice support is built in.
+
 @option{debug} debug level for spicevmc
 
 @option{name} name of spice channel to connect to
 
 Connect to a spice virtual machine channel, such as vdiport.
-#endif
 
 @end table
 ETEXI
diff --git a/tcg/tcg.h b/tcg/tcg.h
index de8a1d5e8f..015f88ae69 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -175,7 +175,7 @@ typedef enum TCGType {
 
 typedef tcg_target_ulong TCGArg;
 
-/* Define a type and accessor macros for varables.  Using a struct is
+/* Define a type and accessor macros for variables.  Using a struct is
    nice because it gives some level of type safely.  Ideally the compiler
    be able to see through all this.  However in practice this is not true,
    expecially on targets with braindamaged ABIs (e.g. i386).