diff --git a/.gitignore b/.gitignore
index fb98e9b2cca..28a8e2a55b1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 icu4c/*-stamp
+icu4c/bin
 icu4c/build
 icu4c/data/*.cnv
 icu4c/data/*.dat
@@ -31,10 +32,13 @@ icu4c/debian/libicu[0-9]*.p*
 icu4c/debian/postinst
 icu4c/debian/prerm
 icu4c/debian/tmp
+icu4c/include
+icu4c/lib
 icu4c/source/Makefile
 icu4c/source/README
 icu4c/source/common/*.ao
 icu4c/source/common/*.d
+icu4c/source/common/*.plg
 icu4c/source/common/Debug
 icu4c/source/common/Makefile
 icu4c/source/common/Release
diff --git a/icu4c/.cvsignore b/icu4c/.cvsignore
index f242fcc2213..18430b23e3d 100644
--- a/icu4c/.cvsignore
+++ b/icu4c/.cvsignore
@@ -1,3 +1,6 @@
 debian
 build
 *-stamp
+bin
+include
+lib
diff --git a/icu4c/source/common/.cvsignore b/icu4c/source/common/.cvsignore
index 52afab7c49e..1e8aecb5202 100644
--- a/icu4c/source/common/.cvsignore
+++ b/icu4c/source/common/.cvsignore
@@ -5,4 +5,5 @@ Release
 Makefile
 icucfg.h
 *.ao
+*.plg