diff --git a/.gitignore b/.gitignore
index 7f53d191..d2aaf016 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,12 +24,6 @@ diagnostics/dist/
 timeseries/dist/
 ocean_remap/dist/
 
-cesm_utils/build/
-conform/build/
-diag_utils/build/
-diagnostics/build/
-timeseries/build/
-
 # Ignore cesm-env2
 cesm-env2/