diff --git a/ortools/glop/lp_solver.cc b/ortools/glop/lp_solver.cc
index dace9c51c2..c678b87b04 100644
--- a/ortools/glop/lp_solver.cc
+++ b/ortools/glop/lp_solver.cc
@@ -20,7 +20,6 @@
 #include "absl/memory/memory.h"
 #include "absl/strings/match.h"
 #include "absl/strings/str_format.h"
-#include "absl/strings/str_join.h"
 #include "ortools/base/commandlineflags.h"
 #include "ortools/base/integral_types.h"
 #include "ortools/base/timer.h"
diff --git a/ortools/glop/samples/code_samples.bzl b/ortools/glop/samples/code_samples.bzl
index 0dd73d37c7..4a490bbba1 100644
--- a/ortools/glop/samples/code_samples.bzl
+++ b/ortools/glop/samples/code_samples.bzl
@@ -1,24 +1,24 @@
 """Helper macro to compile and test code samples."""
 
 def code_sample_cc(name):
-    native.cc_binary(
-        name = name,
-        srcs = [name + ".cc"],
-        deps = [
-            "//ortools/base",
-            "//ortools/glop:lp_solver",
-            "//ortools/lp_data",
-        ],
-    )
+  native.cc_binary(
+      name = name,
+      srcs = [name + ".cc"],
+      deps = [
+        "//ortools/base",
+        "//ortools/glop:lp_solver",
+        "//ortools/lp_data",
+      ],
+  )
 
-    native.cc_test(
-        name = name + "_test",
-        size = "small",
-        srcs = [name + ".cc"],
-        deps = [
-            ":" + name,
-            "//ortools/base",
-            "//ortools/glop:lp_solver",
-            "//ortools/lp_data",
-        ],
-    )
+  native.cc_test(
+      name = name+"_test",
+      size = "small",
+      srcs = [name + ".cc"],
+      deps = [
+        ":"+name,
+        "//ortools/base",
+        "//ortools/glop:lp_solver",
+        "//ortools/lp_data",
+      ],
+  )
diff --git a/ortools/gurobi/environment.h b/ortools/gurobi/environment.h
index b51adb8179..4693b4d7fa 100644
--- a/ortools/gurobi/environment.h
+++ b/ortools/gurobi/environment.h
@@ -681,6 +681,8 @@ extern std::function<int(GRBmodel *model, int i)> GRBgettuneresult;
 extern std::function<int(GRBmodel *model, int i, char **logP)> GRBgettunelog;
 extern std::function<int(GRBmodel *model, GRBmodel *ignore, GRBmodel *hint)> GRBtunemodeladv;
 extern std::function<int(GRBmodel *model)> GRBsync;
+
+
 }  // namespace operations_research
 
 #endif  // OR_TOOLS_GUROBI_ENVIRONMENT_H_