diff --git a/toolchain/toolchain-common.in b/toolchain/toolchain-common.in
index 1fe28a9e55..847c90581e 100644
--- a/toolchain/toolchain-common.in
+++ b/toolchain/toolchain-common.in
@@ -331,6 +331,7 @@ config BR2_TOOLCHAIN_HAS_SYNC_1
 	bool
 	default y
 	depends on !BR2_bfin
+	depends on !BR2_m68k_cf
 	depends on !BR2_microblaze
 	depends on !BR2_sparc
 	depends on !(BR2_arc && !BR2_ARC_ATOMIC_EXT)
@@ -342,6 +343,7 @@ config BR2_TOOLCHAIN_HAS_SYNC_2
 config BR2_TOOLCHAIN_HAS_SYNC_4
 	bool
 	default y
+	depends on !BR2_m68k_cf
 	depends on !BR2_sparc
 	depends on !(BR2_arc && !BR2_ARC_ATOMIC_EXT)