diff --git a/grin.toml b/grin.toml
index c90970d22..788731ad6 100644
--- a/grin.toml
+++ b/grin.toml
@@ -46,7 +46,7 @@ chain_type = "Testnet2"
 #want to run a full chain validation. Can be:
 #EveryBlock - run full chain validation when processing each block (except during sync)
 #Disabled - disable full chain validation (just run regular block validation)
-#chain_validation_mode=EveryBlock
+#chain_validation_mode=Disabled
 
 #run the node in "full archive" mode (default is fast-sync, pruned node)
 #archive_mode = false
diff --git a/grin/src/types.rs b/grin/src/types.rs
index e981d3a66..bf0658a3e 100644
--- a/grin/src/types.rs
+++ b/grin/src/types.rs
@@ -98,7 +98,7 @@ pub enum ChainValidationMode {
 
 impl Default for ChainValidationMode {
 	fn default() -> ChainValidationMode {
-		ChainValidationMode::EveryBlock
+		ChainValidationMode::Disabled
 	}
 }