diff --git a/.bashrc b/.bashrc
index c829acf..d735e44 100644
--- a/.bashrc
+++ b/.bashrc
@@ -145,14 +145,6 @@ if [[ -s $HOME/.rvm/scripts/rvm ]]; then
   [[ -r $rvm_path/scripts/completion ]] && . $rvm_path/scripts/completion
 fi
 
-# REE tweaks to make it faster for specs.
-export RUBY_HEAP_MIN_SLOTS=1000000
-export RUBY_HEAP_SLOTS_INCREMENT=1000000
-export RUBY_HEAP_SLOTS_GROWTH_FACTOR=1
-export RUBY_GC_MALLOC_LIMIT=1000000000
-export RUBY_HEAP_FREE_MIN=500000
-
-
 # setting up editor if not yet done
 [[ -z "$EDITOR" ]] && EDITOR="nano"
 [[ -z "$SVN_EDITOR" ]] && SVN_EDITOR="$EDITOR"