diff --git a/internal/ceres/generated/schur_eliminator_2_2_2.cc b/internal/ceres/generated/schur_eliminator_2_2_2.cc
index b4a2cfd..7f9ce14 100644
--- a/internal/ceres/generated/schur_eliminator_2_2_2.cc
+++ b/internal/ceres/generated/schur_eliminator_2_2_2.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_2_2_3.cc b/internal/ceres/generated/schur_eliminator_2_2_3.cc
index 2373c6b..d9ab1dd 100644
--- a/internal/ceres/generated/schur_eliminator_2_2_3.cc
+++ b/internal/ceres/generated/schur_eliminator_2_2_3.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_2_2_4.cc b/internal/ceres/generated/schur_eliminator_2_2_4.cc
index 6253fe4..a268810 100644
--- a/internal/ceres/generated/schur_eliminator_2_2_4.cc
+++ b/internal/ceres/generated/schur_eliminator_2_2_4.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_2_2_d.cc b/internal/ceres/generated/schur_eliminator_2_2_d.cc
index d773a4f..46f9492 100644
--- a/internal/ceres/generated/schur_eliminator_2_2_d.cc
+++ b/internal/ceres/generated/schur_eliminator_2_2_d.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_2_3_3.cc b/internal/ceres/generated/schur_eliminator_2_3_3.cc
index afb89b8..ce53c6c 100644
--- a/internal/ceres/generated/schur_eliminator_2_3_3.cc
+++ b/internal/ceres/generated/schur_eliminator_2_3_3.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_2_3_4.cc b/internal/ceres/generated/schur_eliminator_2_3_4.cc
index c883ee6..7f6d41d 100644
--- a/internal/ceres/generated/schur_eliminator_2_3_4.cc
+++ b/internal/ceres/generated/schur_eliminator_2_3_4.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_2_3_9.cc b/internal/ceres/generated/schur_eliminator_2_3_9.cc
index bdffdc5..10f84af 100644
--- a/internal/ceres/generated/schur_eliminator_2_3_9.cc
+++ b/internal/ceres/generated/schur_eliminator_2_3_9.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_2_3_d.cc b/internal/ceres/generated/schur_eliminator_2_3_d.cc
index 5d4139c..047d473 100644
--- a/internal/ceres/generated/schur_eliminator_2_3_d.cc
+++ b/internal/ceres/generated/schur_eliminator_2_3_d.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_2_4_3.cc b/internal/ceres/generated/schur_eliminator_2_4_3.cc
index 06b99df..12fdb86 100644
--- a/internal/ceres/generated/schur_eliminator_2_4_3.cc
+++ b/internal/ceres/generated/schur_eliminator_2_4_3.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_2_4_4.cc b/internal/ceres/generated/schur_eliminator_2_4_4.cc
index 4bc1f44..0e29dc1 100644
--- a/internal/ceres/generated/schur_eliminator_2_4_4.cc
+++ b/internal/ceres/generated/schur_eliminator_2_4_4.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_2_4_d.cc b/internal/ceres/generated/schur_eliminator_2_4_d.cc
index 573e40c..4d4ac56 100644
--- a/internal/ceres/generated/schur_eliminator_2_4_d.cc
+++ b/internal/ceres/generated/schur_eliminator_2_4_d.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_4_4_2.cc b/internal/ceres/generated/schur_eliminator_4_4_2.cc
index e1f17fe..4ad7d41 100644
--- a/internal/ceres/generated/schur_eliminator_4_4_2.cc
+++ b/internal/ceres/generated/schur_eliminator_4_4_2.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_4_4_3.cc b/internal/ceres/generated/schur_eliminator_4_4_3.cc
index e7c750a..87f2fc5 100644
--- a/internal/ceres/generated/schur_eliminator_4_4_3.cc
+++ b/internal/ceres/generated/schur_eliminator_4_4_3.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_4_4_4.cc b/internal/ceres/generated/schur_eliminator_4_4_4.cc
index d60ad71..8b3f570 100644
--- a/internal/ceres/generated/schur_eliminator_4_4_4.cc
+++ b/internal/ceres/generated/schur_eliminator_4_4_4.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_4_4_d.cc b/internal/ceres/generated/schur_eliminator_4_4_d.cc
index 12fa978..b21feb2 100644
--- a/internal/ceres/generated/schur_eliminator_4_4_d.cc
+++ b/internal/ceres/generated/schur_eliminator_4_4_d.cc
@@ -40,6 +40,8 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -51,3 +53,4 @@
 }  // namespace internal
 }  // namespace ceres
 
+#endif  // CERES_RESTRICT_SCHUR_SPECIALIZATION
diff --git a/internal/ceres/generated/schur_eliminator_d_d_d.cc b/internal/ceres/generated/schur_eliminator_d_d_d.cc
index fa34e39..d483db7 100644
--- a/internal/ceres/generated/schur_eliminator_d_d_d.cc
+++ b/internal/ceres/generated/schur_eliminator_d_d_d.cc
@@ -40,6 +40,7 @@
 // This file is generated using generate_eliminator_specializations.py.
 // Editing it manually is not recommended.
 
+
 #include "ceres/schur_eliminator_impl.h"
 #include "ceres/internal/eigen.h"
 
@@ -50,4 +51,3 @@
 
 }  // namespace internal
 }  // namespace ceres
-