diff --git a/src/LoadSave/data_loaders.jl b/src/LoadSave/data_loaders.jl
index a4620512..15841a5e 100644
--- a/src/LoadSave/data_loaders.jl
+++ b/src/LoadSave/data_loaders.jl
@@ -1,4 +1,7 @@
-export mnist, sampled_mnist, twenty_datasets, twenty_dataset_names, dataset 
+export mnist, 
+    sampled_mnist, 
+    twenty_datasets,
+    twenty_dataset_names 
     
 using MLDatasets
 using CSV
diff --git a/src/Utils/data.jl b/src/Utils/data.jl
index 30f74dc2..560e2e7a 100644
--- a/src/Utils/data.jl
+++ b/src/Utils/data.jl
@@ -6,7 +6,7 @@ import CUDA: CuVector, CuMatrix
 export num_examples, num_features, 
     example, feature_values,
     iscomplete, isfpdata, isbinarydata, 
-    num_chunks, chunk, eltype,
+    num_chunks, chunks, eltype,
     shuffle_examples, batch, threshold, soften,
     to_gpu, to_cpu, isgpu, same_device,
     ll_per_example, bits_per_pixel
diff --git a/src/bit_circuit.jl b/src/bit_circuit.jl
index 4769f1c1..5220cf0c 100644
--- a/src/bit_circuit.jl
+++ b/src/bit_circuit.jl
@@ -1,7 +1,8 @@
 using CUDA
 
 export NodeIds, ⋁NodeIds, ⋀NodeIds, BitCircuit, 
-    num_nodes, num_decisions, num_elements, num_leafs, num_features, nodes, elements,
+    num_nodes, num_elements, num_leafs, num_features, 
+    nodes, elements,
     has_single_child, sibling
 
 #####################
diff --git a/src/structured/abstract_vtrees.jl b/src/structured/abstract_vtrees.jl
index 2ec69137..5549e35d 100644
--- a/src/structured/abstract_vtrees.jl
+++ b/src/structured/abstract_vtrees.jl
@@ -1,7 +1,7 @@
 export Vtree, vtree, variable, find_leaf,
-    varsubset, varsubset_left, varsubset_right, lca_vtree, depth,
-    respects_vtree,
-    top_down_vtree, bottom_up_vtree
+    varsubset, varsubset_left, varsubset_right, 
+    depth,
+    respects_vtree
 
 import Base: parent, in # extend
 import .Utils: find_leaf, find_inode, lca, depth # extend