diff --git a/.jenkins.d/20-build.sh b/.jenkins.d/20-build.sh
index fca152a..4174800 100755
--- a/.jenkins.d/20-build.sh
+++ b/.jenkins.d/20-build.sh
@@ -3,22 +3,8 @@
 set -e
 
 # Cleanup
-sudo ./waf -j1 --color=yes distclean
-
-# Configure/build in release mode
-./waf -j1 --color=yes configure
-./waf -j1 --color=yes build
-
-# Cleanup
-sudo ./waf -j1 --color=yes distclean
-
-# Configure/build in debug mode
-./waf -j1 --color=yes configure --debug
-./waf -j1 --color=yes build
-
-# Cleanup
-sudo ./waf -j1 --color=yes distclean
+sudo ./waf --color=yes distclean
 
 # Configure/build in optimized mode with tests
-./waf -j1 --color=yes configure --with-tests
-./waf -j1 --color=yes build
+./waf --color=yes configure --debug --with-tests
+./waf --color=yes build