diff --git a/.gitignore b/.gitignore
index 372e57abbf41..905bf3387ce4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -157,3 +157,7 @@ x509.genkey
 
 # Documentation toolchain
 sphinx_*/
+
+# kernel/build configuration files
+build.config.msm.*
+