diff --git a/package/Makefile b/package/Makefile
index eafd8cbe6e..cd4304e667 100644
--- a/package/Makefile
+++ b/package/Makefile
@@ -50,7 +50,9 @@ prereq: $(PREREQ_PACKAGES)
 download: $(DOWNLOAD_PACKAGES)
 compile-targets: $(COMPILE_PACKAGES)
 compile:
+	@-rm -f $(PACKAGE_DIR)/*.ipk
 	$(MAKE) compile-targets
+
 install-targets: $(INSTALL_PACKAGES)
 install:
 	rm -rf $(BUILD_DIR)/root
diff --git a/target/Makefile b/target/Makefile
index 4853e3fbd2..3f97b9a14d 100644
--- a/target/Makefile
+++ b/target/Makefile
@@ -20,7 +20,15 @@ IMAGE_DIR:=linux/$(BOARD)-$(KERNEL)/image
 download: $(patsubst %,%-download,$(TARGETS-y))
 prepare: linux-prepare
 compile: linux-compile image_compile
-install: image_clean linux-install sdk_install image_install imagebuilder_install
+install: image_clean linux-install image_install 
+
+ifeq ($(CONFIG_SDK),y)
+install: sdk_install
+endif
+ifeq ($(CONFIG_IB),y)
+install: imagebuilder_install
+endif
+
 clean: linux-clean sdk-clean imagebuilder-clean image_clean
 
 prereq: FORCE
diff --git a/target/imagebuilder/Makefile b/target/imagebuilder/Makefile
index 439a103428..b59b265adc 100644
--- a/target/imagebuilder/Makefile
+++ b/target/imagebuilder/Makefile
@@ -18,7 +18,7 @@ IB_BUILD_DIR:=$(BUILD_DIR)/$(IB_NAME)
 
 all: compile
 
-$(BIN_DIR)/$(IB_NAME).tar.bz2: FORCE
+$(BIN_DIR)/$(IB_NAME).tar.bz2: clean
 	rm -rf $(IB_BUILD_DIR)
 	mkdir -p $(IB_BUILD_DIR)/build_$(ARCH)/linux-$(KERNEL)-$(BOARD) $(IB_BUILD_DIR)/staging_dir_$(ARCH)/bin $(IB_BUILD_DIR)/target/linux
 	$(CP) \
@@ -43,5 +43,5 @@ prepare:
 compile: $(BIN_DIR)/$(IB_NAME).tar.bz2
 install: compile
 
-clean:
+clean: FORCE
 	rm -rf $(IB_BUILD_DIR) $(BIN_DIR)/$(IB_NAME).tar.bz2
diff --git a/target/sdk/Makefile b/target/sdk/Makefile
index 56a6c97ecd..d65b934c95 100644
--- a/target/sdk/Makefile
+++ b/target/sdk/Makefile
@@ -18,8 +18,7 @@ SDK_BUILD_DIR:=$(BUILD_DIR)/$(SDK_NAME)
 
 all: compile
 
-$(BIN_DIR)/$(SDK_NAME).tar.bz2:
-	rm -rf $(SDK_BUILD_DIR)
+$(BIN_DIR)/$(SDK_NAME).tar.bz2: clean
 	mkdir -p $(SDK_BUILD_DIR)/dl $(SDK_BUILD_DIR)/package
 	$(CP) $(INCLUDE_DIR) $(SCRIPT_DIR) $(TOPDIR)/docs $(SDK_BUILD_DIR)/
 	$(TAR) -cf - -C $(TOPDIR) --exclude=ccache/ staging_dir_$(ARCH) | \
@@ -45,7 +44,7 @@ $(BIN_DIR)/$(SDK_NAME).tar.bz2:
 download:
 prepare:
 compile: $(BIN_DIR)/$(SDK_NAME).tar.bz2
-install:
+install: compile
 
 clean:
 	rm -rf $(SDK_BUILD_DIR) $(BIN_DIR)/$(SDK_NAME).tar.bz2