diff --git a/tig-challenges/Cargo.toml b/tig-challenges/Cargo.toml
index 64511a6..b85d20b 100644
--- a/tig-challenges/Cargo.toml
+++ b/tig-challenges/Cargo.toml
@@ -25,6 +25,7 @@ flate2 = { version = "1.0", optional = true }
 base64 = { version = "0.21", optional = true }
 
 [features]
+pub_baseline = []
 bincode_solution = ["bincode", "flate2", "base64"]
 c001 = []
 satisfiability = ["c001"]
diff --git a/tig-challenges/src/hypergraph.rs b/tig-challenges/src/hypergraph.rs
index 4e90b3d..8616d92 100644
--- a/tig-challenges/src/hypergraph.rs
+++ b/tig-challenges/src/hypergraph.rs
@@ -9,7 +9,10 @@ use std::sync::Arc;
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct Difficulty {
     pub num_hyperedges: u32,
+    #[cfg(feature = "pub_baseline")]
     pub better_than_baseline: u32,
+    #[cfg(not(feature = "pub_baseline"))]
+    better_than_baseline: u32,
 }
 
 impl From<Vec<i32>> for Difficulty {
@@ -75,7 +78,10 @@ pub struct SubInstance {
     pub d_node_degrees: CudaSlice<i32>,
     pub d_node_offsets: CudaSlice<i32>,
     pub d_node_hyperedges: CudaSlice<i32>,
+    #[cfg(feature = "pub_baseline")]
     pub baseline_connectivity_metric: u32,
+    #[cfg(not(feature = "pub_baseline"))]
+    max_distance: f32,
 }
 
 pub const NUM_SUB_INSTANCES: usize = 4;
diff --git a/tig-challenges/src/knapsack.rs b/tig-challenges/src/knapsack.rs
index 2b7fc0d..5a4b050 100644
--- a/tig-challenges/src/knapsack.rs
+++ b/tig-challenges/src/knapsack.rs
@@ -10,7 +10,10 @@ use std::collections::HashSet;
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct Difficulty {
     pub num_items: usize,
+    #[cfg(feature = "pub_baseline")]
     pub better_than_baseline: u32,
+    #[cfg(not(feature = "pub_baseline"))]
+    better_than_baseline: u32,
 }
 
 impl From<Vec<i32>> for Difficulty {
@@ -69,7 +72,10 @@ pub struct SubInstance {
     pub values: Vec<u32>,
     pub interaction_values: Vec<Vec<i32>>,
     pub max_weight: u32,
+    #[cfg(feature = "pub_baseline")]
     pub baseline_value: u32,
+    #[cfg(not(feature = "pub_baseline"))]
+    baseline_value: u32,
 }
 
 pub const NUM_SUB_INSTANCES: usize = 16;
diff --git a/tig-challenges/src/vector_search.rs b/tig-challenges/src/vector_search.rs
index 5e92429..a3528c2 100644
--- a/tig-challenges/src/vector_search.rs
+++ b/tig-challenges/src/vector_search.rs
@@ -11,7 +11,10 @@ use std::sync::Arc;
 #[derive(Serialize, Deserialize, Debug, Copy, Clone)]
 pub struct Difficulty {
     pub num_queries: u32,
+    #[cfg(feature = "pub_baseline")]
     pub better_than_baseline: u32,
+    #[cfg(not(feature = "pub_baseline"))]
+    better_than_baseline: u32,
 }
 
 impl From<Vec<i32>> for Difficulty {
@@ -56,7 +59,10 @@ pub struct Challenge {
     pub database_size: u32,
     pub d_database_vectors: CudaSlice<f32>,
     pub d_query_vectors: CudaSlice<f32>,
+    #[cfg(feature = "pub_baseline")]
     pub max_distance: f32,
+    #[cfg(not(feature = "pub_baseline"))]
+    max_distance: f32,
 }
 
 pub const MAX_THREADS_PER_BLOCK: u32 = 1024;
diff --git a/tig-challenges/src/vehicle_routing.rs b/tig-challenges/src/vehicle_routing.rs
index 1c74d4f..ab9c7fa 100644
--- a/tig-challenges/src/vehicle_routing.rs
+++ b/tig-challenges/src/vehicle_routing.rs
@@ -11,7 +11,10 @@ use std::collections::{HashMap, HashSet};
 #[derive(Serialize, Deserialize, Debug, Copy, Clone)]
 pub struct Difficulty {
     pub num_nodes: usize,
+    #[cfg(feature = "pub_baseline")]
     pub better_than_baseline: u32,
+    #[cfg(not(feature = "pub_baseline"))]
+    better_than_baseline: u32,
 }
 
 impl From<Vec<i32>> for Difficulty {
@@ -68,7 +71,10 @@ pub struct SubInstance {
     pub difficulty: Difficulty,
     pub demands: Vec<i32>,
     pub distance_matrix: Vec<Vec<i32>>,
+    #[cfg(feature = "pub_baseline")]
     pub baseline_total_distance: i32,
+    #[cfg(not(feature = "pub_baseline"))]
+    baseline_total_distance: i32,
     pub max_capacity: i32,
     pub fleet_size: usize,
     pub service_time: i32,