diff --git a/pkg/nimble/patches/0001-porting-nimble-silence-Wcast-align.patch b/pkg/nimble/patches/0001-porting-nimble-silence-Wcast-align.patch
deleted file mode 100644
index 6cae3621a2..0000000000
--- a/pkg/nimble/patches/0001-porting-nimble-silence-Wcast-align.patch
+++ /dev/null
@@ -1,31 +0,0 @@
-From ba0f5ceb2aeaa6c2aab5c20c79597d306d360900 Mon Sep 17 00:00:00 2001
-From: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
-Date: Thu, 4 Nov 2021 15:38:38 +0100
-Subject: [PATCH] porting/nimble: silence -Wcast-align
-
----
- porting/nimble/include/os/os_mbuf.h | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/porting/nimble/include/os/os_mbuf.h b/porting/nimble/include/os/os_mbuf.h
-index 771ea761..e5ca0617 100644
---- a/porting/nimble/include/os/os_mbuf.h
-+++ b/porting/nimble/include/os/os_mbuf.h
-@@ -132,12 +132,12 @@ struct os_mqueue {
-     ((__om)->om_pkthdr_len >= sizeof (struct os_mbuf_pkthdr))
- 
- /** Get a packet header pointer given an mbuf pointer */
--#define OS_MBUF_PKTHDR(__om) ((struct os_mbuf_pkthdr *)     \
-+#define OS_MBUF_PKTHDR(__om) ((struct os_mbuf_pkthdr *)(uintptr_t) \
-     ((uint8_t *)&(__om)->om_data + sizeof(struct os_mbuf)))
- 
- /** Given a mbuf packet header pointer, return a pointer to the mbuf */
- #define OS_MBUF_PKTHDR_TO_MBUF(__hdr)   \
--     (struct os_mbuf *)((uint8_t *)(__hdr) - sizeof(struct os_mbuf))
-+     (struct os_mbuf *)(uintptr_t)((uint8_t *)(__hdr) - sizeof(struct os_mbuf))
- 
- /**
-  * Gets the length of an entire mbuf chain.  The specified mbuf must have a
--- 
-2.33.1
-