diff --git a/Tests/Kernels/testAdaptiveChebSymFMM.cpp b/Tests/Kernels/testAdaptiveChebSymFMM.cpp
index c14b26624387faeea662eec68523a78a36a44d39..84ff6e5a6a04678b15efd46d3c862e738279cf01 100644
--- a/Tests/Kernels/testAdaptiveChebSymFMM.cpp
+++ b/Tests/Kernels/testAdaptiveChebSymFMM.cpp
@@ -17,6 +17,8 @@
 // ==== CMAKE =====
 // @FUSE_BLAS
 // ================
+// Keep in private GIT
+// @SCALFMM_PRIVATE
 
 #include <iostream>
 #include <cstdio>
diff --git a/Tests/Utils/testFmmAdaptiveAlgorithm.cpp b/Tests/Utils/testFmmAdaptiveAlgorithm.cpp
index efd4817e457c1145c54c02543eb59f95cadecf83..1d7ad9987b4993746cc5986b1408cd1d7fadc728 100644
--- a/Tests/Utils/testFmmAdaptiveAlgorithm.cpp
+++ b/Tests/Utils/testFmmAdaptiveAlgorithm.cpp
@@ -14,7 +14,9 @@
 // "http://www.gnu.org/licenses".
 // ===================================================================================
 
-//
+// Keep in private GIT
+// @SCALFMM_PRIVATE
+
 #include <iostream>
 #include <cstdio>
 
diff --git a/Tests/Utils/testFmmAdaptiveAlgorithmAdvanced.cpp b/Tests/Utils/testFmmAdaptiveAlgorithmAdvanced.cpp
index a64b6d3974acc1d7b23bf36a203fed4995c3dccc..e4bafa2b30e9868635caf71c03334c1f490329c3 100644
--- a/Tests/Utils/testFmmAdaptiveAlgorithmAdvanced.cpp
+++ b/Tests/Utils/testFmmAdaptiveAlgorithmAdvanced.cpp
@@ -14,7 +14,8 @@
 // "http://www.gnu.org/licenses".
 // ===================================================================================
 
-//
+// Keep in private GIT
+// @SCALFMM_PRIVATE
 #include <iostream>
 #include <cstdio>
 
diff --git a/Tests/Utils/testFmmAdaptiveStats.cpp b/Tests/Utils/testFmmAdaptiveStats.cpp
index 7e73b7753b906a2a6c1093c10ef5bb269e92db3b..088c2de33a647b19a0e5494851078885b11ad28f 100644
--- a/Tests/Utils/testFmmAdaptiveStats.cpp
+++ b/Tests/Utils/testFmmAdaptiveStats.cpp
@@ -15,7 +15,8 @@
 // "http://www.gnu.org/licenses".
 // ===================================================================================
 
-//
+// Keep in private GIT
+// @SCALFMM_PRIVATE
 #include <iostream>
 #include <cstdio>