diff --git a/src/nfagraph/ng_rose.cpp b/src/nfagraph/ng_rose.cpp
index 108134a6..46f180a8 100644
--- a/src/nfagraph/ng_rose.cpp
+++ b/src/nfagraph/ng_rose.cpp
@@ -68,8 +68,6 @@
 #include <utility>
 #include <vector>
 #include <boost/core/noncopyable.hpp>
-#include <boost/graph/reverse_graph.hpp>
-#include <boost/graph/topological_sort.hpp>
 
 #define NDEBUG_PRINTF(x, ...) \
     do { if (0) { DEBUG_PRINTF(x,  ## __VA_ARGS__); } } while (0)
diff --git a/src/nfagraph/ng_som.cpp b/src/nfagraph/ng_som.cpp
index ed2942bb..09687c4f 100644
--- a/src/nfagraph/ng_som.cpp
+++ b/src/nfagraph/ng_som.cpp
@@ -40,7 +40,6 @@
 #include "ng_redundancy.h"
 #include "ng_region.h"
 #include "ng_reports.h"
-#include "ng_restructuring.h"
 #include "ng_rose.h"
 #include "ng_som.h"
 #include "ng_som_add_redundancy.h"
diff --git a/src/nfagraph/ng_squash.cpp b/src/nfagraph/ng_squash.cpp
index 6577673f..21703f8b 100644
--- a/src/nfagraph/ng_squash.cpp
+++ b/src/nfagraph/ng_squash.cpp
@@ -102,7 +102,6 @@
 #include "ng_holder.h"
 #include "ng_prune.h"
 #include "ng_region.h"
-#include "ng_restructuring.h"
 #include "ng_som_util.h"
 #include "ng_util.h"
 #include "ng_util.h"
diff --git a/src/nfagraph/ng_violet.cpp b/src/nfagraph/ng_violet.cpp
index 538c945d..9c99ba8a 100644
--- a/src/nfagraph/ng_violet.cpp
+++ b/src/nfagraph/ng_violet.cpp
@@ -67,8 +67,6 @@
 #include <utility>
 #include <vector>
 #include <boost/core/noncopyable.hpp>
-#include <boost/graph/reverse_graph.hpp>
-#include <boost/graph/topological_sort.hpp>
 #include <boost/range/adaptor/map.hpp>
 
 #define STAGE_DEBUG_PRINTF DEBUG_PRINTF
diff --git a/src/rose/rose_build_role_aliasing.cpp b/src/rose/rose_build_role_aliasing.cpp
index 6a0c767d..4757eb11 100644
--- a/src/rose/rose_build_role_aliasing.cpp
+++ b/src/rose/rose_build_role_aliasing.cpp
@@ -40,7 +40,6 @@
 #include "nfagraph/ng_is_equal.h"
 #include "nfagraph/ng_limex.h"
 #include "nfagraph/ng_prune.h"
-#include "nfagraph/ng_restructuring.h"
 #include "nfagraph/ng_uncalc_components.h"
 #include "nfagraph/ng_util.h"
 #include "util/bitutils.h"
diff --git a/unit/internal/limex_nfa.cpp b/unit/internal/limex_nfa.cpp
index 1c742793..804fcb1f 100644
--- a/unit/internal/limex_nfa.cpp
+++ b/unit/internal/limex_nfa.cpp
@@ -37,7 +37,6 @@
 #include "nfa/nfa_internal.h"
 #include "nfagraph/ng.h"
 #include "nfagraph/ng_limex.h"
-#include "nfagraph/ng_restructuring.h"
 #include "nfagraph/ng_util.h"
 #include "util/alloc.h"
 #include "util/target_info.h"