diff --git a/converters/simdutf/files/patch-include_simdutf_portability.h b/converters/simdutf/files/patch-include_simdutf_portability.h
deleted file mode 100644
index 079147bf9078..000000000000
--- a/converters/simdutf/files/patch-include_simdutf_portability.h
+++ /dev/null
@@ -1,11 +0,0 @@
---- include/simdutf/portability.h.orig	2026-09-02 17:18:20 UTC
-+++ include/simdutf/portability.h	2026-09-02 17:19:00 UTC
-@@ -110,7 +110,7 @@
- #elif defined(__aarch64__) || defined(_M_ARM64) || defined(_M_ARM64EC)
-   #define SIMDUTF_IS_ARM64 1
- #elif defined(__PPC64__) || defined(_M_PPC64)
--  #if defined(__VEC__) && defined(__ALTIVEC__)
-+  #if defined(__VEC__) && defined(__ALTIVEC__) && defined(__POWER8_VECTOR__)
-     #define SIMDUTF_IS_PPC64 1
-   #endif
- #elif defined(__s390__)