diff --git a/.gitignore b/.gitignore
index 20c4f52cd3786..0e7c6c7900133 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,6 +51,7 @@ autoconf/autom4te.cache
 /CMakeSettings.json
 # CLion project configuration
 /.idea
+/cmake-build*
 
 #==============================================================================#
 # Directories to ignore (do not add trailing '/'s, they skip symlinks).
diff --git a/llvm/.gitignore b/llvm/.gitignore
index eb69323201a53..48dda423228c2 100644
--- a/llvm/.gitignore
+++ b/llvm/.gitignore
@@ -32,6 +32,7 @@ autoconf/autom4te.cache
 /CMakeSettings.json
 # CLion project configuration
 /.idea
+/cmake-build*
 # Qt Creator project configuration
 /CMakeLists.txt.user