diff --git a/support/config-fragments/autobuild/br-riscv32.config b/support/config-fragments/autobuild/br-riscv32.config
index 4ec6ca9f89..f8901edf2d 100644
--- a/support/config-fragments/autobuild/br-riscv32.config
+++ b/support/config-fragments/autobuild/br-riscv32.config
@@ -1,6 +1,5 @@
 BR2_riscv=y
 BR2_RISCV_32=y
-BR2_RISCV_ABI_ILP32=y
 BR2_TOOLCHAIN_EXTERNAL=y
 BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
 BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-riscv32-glibc-2019.11.tar.bz2"
diff --git a/support/config-fragments/autobuild/br-riscv64.config b/support/config-fragments/autobuild/br-riscv64.config
index 0706c7b5da..f98675d8dd 100644
--- a/support/config-fragments/autobuild/br-riscv64.config
+++ b/support/config-fragments/autobuild/br-riscv64.config
@@ -1,5 +1,4 @@
 BR2_riscv=y
-BR2_RISCV_ABI_LP64=y
 BR2_TOOLCHAIN_EXTERNAL=y
 BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
 BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-riscv64-glibc-2019.11.tar.bz2"