diff --git a/toolchain/toolchain-external/toolchain-external-custom/Config.in.options b/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
index 0a4003b57c..1580ffb920 100644
--- a/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
+++ b/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
@@ -48,14 +48,17 @@ choice
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_15
 	bool "15.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_16
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_15
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_14
 	bool "14.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_15
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_14
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_13
 	bool "13.x"
+	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_14
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_13
 
 config BR2_TOOLCHAIN_EXTERNAL_GCC_12