diff --git a/include/image.h b/include/image.h
index c0f4cf5..445da9c 100644
--- a/include/image.h
+++ b/include/image.h
@@ -30,7 +30,7 @@
 #include <config.h>
 
 using image_data_t = std::array<blt::vec3, width * height>;
-inline blt::area_allocator<image_data_t, 32> img_allocator;
+inline blt::bump_allocator<image_data_t> img_allocator(8192);
 
 class image
 {
diff --git a/libraries/BLT-With-Graphics-Template b/libraries/BLT-With-Graphics-Template
index 129f6e3..d8b77ac 160000
--- a/libraries/BLT-With-Graphics-Template
+++ b/libraries/BLT-With-Graphics-Template
@@ -1 +1 @@
-Subproject commit 129f6e3fb9d6524e9fd6ece47f9bf4ea6f0a1a83
+Subproject commit d8b77acd4f6d71393e65539e3ad738aebb3375e1
diff --git a/src/gp.cpp b/src/gp.cpp
index f34f16c..148f431 100644
--- a/src/gp.cpp
+++ b/src/gp.cpp
@@ -23,7 +23,7 @@
 #include <queue>
 #include <stack>
 
-blt::area_allocator<node, 32000> node_allocator;
+blt::bump_allocator<node> node_allocator(32000);
 
 node* createNode(function_t type)
 {
diff --git a/src/main.cpp b/src/main.cpp
index ffefaba..c92be02 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -417,25 +417,6 @@ void print_bits(float f)
     std::cout << std::endl;
 }
 
-enum class error
-{
-    S1, S2, S3
-};
-
-struct simple
-{
-    float f;
-};
-
-blt::expected<float, error> t1(bool b)
-{
-    float f = 50.0f * b;
-    if (b)
-        return f;
-    else
-        return error::S1;
-}
-
 void init()
 {
     global_matrices.create_internals();