diff --git a/Makefile b/Makefile
index 1e226e1..b5b7803 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ else
 endif
 NCPUS=$(shell grep -c processor /proc/cpuinfo)
 PARALLEL=$(shell which parallel)
-CABAL=flock xcffib.cabal cabal --config-file=./cabal.config
+CABAL=flock xcffib.cabal cabal
 GEN=$(CABAL) new-run --minimize-conflict-set -j$(NCPUS) exe:xcffibgen --
 VENV=xcffib_venv
 PYTHON=$(VENV)/bin/python3
diff --git a/cabal.config b/cabal.config
deleted file mode 100644
index bb3c609..0000000
--- a/cabal.config
+++ /dev/null
@@ -1,3 +0,0 @@
-repository hackage.haskell.org
-  url: http://hackage.haskell.org/
-  secure: True