diff --git a/.gitignore b/.gitignore
index cf405aa3d65..ff822275211 100644
--- a/.gitignore
+++ b/.gitignore
@@ -122,6 +122,7 @@ icu4c/source/i18n/libicu*.*
 icu4c/source/icudefs.mk
 icu4c/source/layout/*.d
 icu4c/source/layout/*.pdb
+icu4c/source/layout/.#*
 icu4c/source/layout/Debug
 icu4c/source/layout/Makefile
 icu4c/source/layout/Release
diff --git a/icu4c/source/layout/.cvsignore b/icu4c/source/layout/.cvsignore
index a2c2faffe96..58b040860b6 100644
--- a/icu4c/source/layout/.cvsignore
+++ b/icu4c/source/layout/.cvsignore
@@ -5,3 +5,4 @@ Makefile
 Release
 libicule.so.20.0
 tmp
+.#*