diff --git a/openbis_all/source/bash/build/build.sh b/openbis_all/source/bash/build/build.sh
index 769c63088399140ccb669cdf8d40c23777cd2f10..9744734ce2614d2cbd51c4712fa72e6dde7de258 100755
--- a/openbis_all/source/bash/build/build.sh
+++ b/openbis_all/source/bash/build/build.sh
@@ -37,12 +37,12 @@ if [ $? -ne 0 ]; then echo "Tag does not exist!"; exit 1; fi
 
 # build
 cd openbis_standard_technologies
-./gradlew :clean :clientsAndApis -x test
-./gradlew :clean :generateJavadoc
+./gradlew :clientsAndApis -x test
+./gradlew :generateJavadoc
 cd ../installation
-./gradlew :clean :build -x test
+./gradlew :build -x test
 cd ../plasmid
-./gradlew :clean :build -x test
+./gradlew :build -x test
 
 cd ../..