diff --git a/Config.in.legacy b/Config.in.legacy
index 8fed4b72c1..a872d229ce 100644
--- a/Config.in.legacy
+++ b/Config.in.legacy
@@ -278,6 +278,13 @@ config BR2_BINUTILS_VERSION_2_43_X
 	  binutils 2.43 has been removed, select a newer version
 	  instead.
 
+config BR2_parisc10
+	bool "PA-RISC architecture version 1.0 support removed"
+	select BR2_LEGACY
+	help
+	  Following the build issues with glibc 2.43, Buildroot has
+	  removed support for this architecture version.
+
 comment "Legacy options removed in 2026.02"
 
 config BR2_PACKAGE_QEMU_TARGET_CRIS
diff --git a/arch/Config.in.hppa b/arch/Config.in.hppa
index 5768469f30..16c826dd9e 100644
--- a/arch/Config.in.hppa
+++ b/arch/Config.in.hppa
@@ -3,8 +3,6 @@ choice
 	help
 	  Architecture type (or version) to use.
 
-config BR2_parisc10
-	bool "PA-RISC 1.0"
 config BR2_parisc11
 	bool "PA-RISC 1.1"
 endchoice
diff --git a/arch/arch.mk.hppa b/arch/arch.mk.hppa
index 9d22e4371f..f4a9ac41d2 100644
--- a/arch/arch.mk.hppa
+++ b/arch/arch.mk.hppa
@@ -4,9 +4,7 @@
 
 ifeq ($(BR2_hppa),y)
 
-ifeq ($(BR2_parisc10),y)
-GCC_TARGET_ARCH := 1.0
-else ifeq ($(BR2_parisc11),y)
+ifeq ($(BR2_parisc11),y)
 GCC_TARGET_ARCH := 1.1
 endif