diff --git a/config/common.mk b/config/common.mk
index 1fef531..4e1f548 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -98,7 +98,6 @@
     SlimCenter \
     SlimFileManager \
     LatinIME \
-    SlimIRC \
     BluetoothExt \
     DashClock
 
@@ -170,6 +169,16 @@
     SLIM_POSTFIX := -$(shell date +"%Y%m%d-%H%M")
 endif
 
+# SlimIRC
+# export INCLUDE_SLIMIRC=1 for unofficial builds
+ifneq ($(filter WEEKLY OFFICIAL,$(SLIM_BUILD_TYPE)),)
+    INCLUDE_SLIMIRC = 1
+endif
+
+ifneq ($(INCLUDE_SLIMIRC),)
+    PRODUCT_PACKAGES += SlimIRC
+endif
+
 # Set all versions
 SLIM_VERSION := Slim-$(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)-$(SLIM_BUILD_TYPE)$(SLIM_POSTFIX)
 SLIM_MOD_VERSION := Slim-$(SLIM_BUILD)-$(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)-$(SLIM_BUILD_TYPE)$(SLIM_POSTFIX)