diff --git a/.Rbuildignore b/.Rbuildignore
index 91114bf2f2bba5e0c5252e75018da19b869776f1..dfe96e6ba76da1164cf52c512a87fea75010fc85 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,2 +1,13 @@
+^R/tmp$
+^\.git$
+^\.gitignore$
 ^.*\.Rproj$
 ^\.Rproj\.user$
+git.log
+^cran-comments\.md$
+^LICENSE$
+^README\.md$
+^CRAN-RELEASE$
+^doc$
+^Meta$
+^CRAN-SUBMISSION$
diff --git a/.gitignore b/.gitignore
index 62290e1bf31f5e9ef627a392941b3d0025adf2d8..c103f9c7f6bd4732a62542c44a79687a4e8870cc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,10 @@
 # Example code in package build process
 *-Ex.R
 
+# Output files from R CMD INSTALL
+/src/*.o
+/src/*.so
+
 # Output files from R CMD build
 /*.tar.gz