diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c
index ec7bf562e5..12857d9d7d 100644
--- a/hw/net/cadence_gem.c
+++ b/hw/net/cadence_gem.c
@@ -23,7 +23,7 @@
  */
 
 #include "qemu/osdep.h"
-#include <zlib.h> /* For crc32 */
+#include <zlib.h> /* for crc32 */
 
 #include "hw/irq.h"
 #include "hw/net/cadence_gem.h"
diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index bf0652da1b..6d143bac5c 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -27,7 +27,7 @@
 #include "qapi/error.h"
 #include "qemu/module.h"
 #include "qemu/timer.h"
-#include <zlib.h>
+#include <zlib.h> /* for crc32 */
 #include "qom/object.h"
 #include "trace.h"
 
diff --git a/hw/net/ftgmac100.c b/hw/net/ftgmac100.c
index 80f9cd56d5..c68db4e15f 100644
--- a/hw/net/ftgmac100.c
+++ b/hw/net/ftgmac100.c
@@ -24,8 +24,7 @@
 #include "hw/qdev-properties.h"
 #include "migration/vmstate.h"
 
-/* For crc32 */
-#include <zlib.h>
+#include <zlib.h> /* for crc32 */
 
 /*
  * FTGMAC100 registers
diff --git a/hw/net/i82596.c b/hw/net/i82596.c
index 6cc8292a65..d786086a51 100644
--- a/hw/net/i82596.c
+++ b/hw/net/i82596.c
@@ -19,7 +19,7 @@
 #include "qemu/module.h"
 #include "trace.h"
 #include "i82596.h"
-#include <zlib.h>       /* For crc32 */
+#include <zlib.h> /* for crc32 */
 
 #if defined(ENABLE_DEBUG)
 #define DBG(x)          x
diff --git a/hw/net/imx_fec.c b/hw/net/imx_fec.c
index 8c91d20d44..dfc3fb0d9a 100644
--- a/hw/net/imx_fec.c
+++ b/hw/net/imx_fec.c
@@ -33,8 +33,7 @@
 #include "net/eth.h"
 #include "trace.h"
 
-/* For crc32 */
-#include <zlib.h>
+#include <zlib.h> /* for crc32 */
 
 #define IMX_MAX_DESC    1024
 
diff --git a/hw/net/lan9118.c b/hw/net/lan9118.c
index 91d81b410b..c38ea40ada 100644
--- a/hw/net/lan9118.c
+++ b/hw/net/lan9118.c
@@ -22,8 +22,7 @@
 #include "qapi/error.h"
 #include "qemu/log.h"
 #include "qemu/module.h"
-/* For crc32 */
-#include <zlib.h>
+#include <zlib.h> /* for crc32 */
 #include "qom/object.h"
 
 //#define DEBUG_LAN9118
diff --git a/hw/net/mcf_fec.c b/hw/net/mcf_fec.c
index e6902716bd..9db64f08c5 100644
--- a/hw/net/mcf_fec.c
+++ b/hw/net/mcf_fec.c
@@ -16,8 +16,7 @@
 #include "hw/net/mii.h"
 #include "hw/qdev-properties.h"
 #include "hw/sysbus.h"
-/* For crc32 */
-#include <zlib.h>
+#include <zlib.h> /* for crc32 */
 
 //#define DEBUG_FEC 1
 
diff --git a/hw/net/npcm7xx_emc.c b/hw/net/npcm7xx_emc.c
index d1583b6f9b..7f25bca448 100644
--- a/hw/net/npcm7xx_emc.c
+++ b/hw/net/npcm7xx_emc.c
@@ -29,8 +29,7 @@
 
 #include "qemu/osdep.h"
 
-/* For crc32 */
-#include <zlib.h>
+#include <zlib.h> /* for crc32 */
 
 #include "hw/irq.h"
 #include "hw/qdev-clock.h"
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 03a204ef8a..69a78ad677 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -48,10 +48,8 @@
  *  2011-Mar-22  Benjamin Poirier:  Implemented VLAN offloading
  */
 
-/* For crc32 */
-
 #include "qemu/osdep.h"
-#include <zlib.h>
+#include <zlib.h> /* for crc32 */
 
 #include "hw/pci/pci_device.h"
 #include "hw/qdev-properties.h"
diff --git a/hw/net/smc91c111.c b/hw/net/smc91c111.c
index 702d0e8e83..a00a76009e 100644
--- a/hw/net/smc91c111.c
+++ b/hw/net/smc91c111.c
@@ -17,8 +17,7 @@
 #include "qapi/error.h"
 #include "qemu/log.h"
 #include "qemu/module.h"
-/* For crc32 */
-#include <zlib.h>
+#include <zlib.h> /* for crc32 */
 #include "qom/object.h"
 
 /* Number of 2k memory pages available.  */
diff --git a/hw/net/stellaris_enet.c b/hw/net/stellaris_enet.c
index db95766e29..8e2ce3bf29 100644
--- a/hw/net/stellaris_enet.c
+++ b/hw/net/stellaris_enet.c
@@ -15,7 +15,7 @@
 #include "net/net.h"
 #include "qemu/log.h"
 #include "qemu/module.h"
-#include <zlib.h>
+#include <zlib.h> /* for crc32 */
 #include "qom/object.h"
 
 //#define DEBUG_STELLARIS_ENET 1
diff --git a/hw/nvram/mac_nvram.c b/hw/nvram/mac_nvram.c
index fe9df9fa35..83c6724c0a 100644
--- a/hw/nvram/mac_nvram.c
+++ b/hw/nvram/mac_nvram.c
@@ -35,7 +35,7 @@
 #include "qemu/module.h"
 #include "qemu/error-report.h"
 #include "trace.h"
-#include <zlib.h>
+#include <zlib.h> /* for adler32 */
 
 #define DEF_SYSTEM_SIZE 0xc10
 
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 0a582c1cd3..3f77b40734 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -19,7 +19,7 @@
 #include "qemu/crc32c.h"
 #include "qemu/qemu-print.h"
 #include "exec/exec-all.h"
-#include <zlib.h> /* For crc32 */
+#include <zlib.h> /* for crc32 */
 #include "hw/irq.h"
 #include "sysemu/cpu-timers.h"
 #include "sysemu/kvm.h"
diff --git a/target/arm/tcg/helper-a64.c b/target/arm/tcg/helper-a64.c
index 21a9abd90a..56b431faf5 100644
--- a/target/arm/tcg/helper-a64.c
+++ b/target/arm/tcg/helper-a64.c
@@ -33,7 +33,7 @@
 #include "qemu/int128.h"
 #include "qemu/atomic128.h"
 #include "fpu/softfloat.h"
-#include <zlib.h> /* For crc32 */
+#include <zlib.h> /* for crc32 */
 
 /* C2.4.7 Multiply and divide */
 /* special cases for 0 and LLONG_MIN are mandated by the standard */
diff --git a/target/loongarch/tcg/op_helper.c b/target/loongarch/tcg/op_helper.c
index fe79c62fa4..b17208e5b9 100644
--- a/target/loongarch/tcg/op_helper.c
+++ b/target/loongarch/tcg/op_helper.c
@@ -14,7 +14,7 @@
 #include "exec/cpu_ldst.h"
 #include "internals.h"
 #include "qemu/crc32c.h"
-#include <zlib.h>
+#include <zlib.h> /* for crc32 */
 #include "cpu-csr.h"
 
 /* Exceptions helpers */
