diff --git a/core/tasks/ide.mk b/core/tasks/ide.mk
index e557e6016..a3aa0cdc0 100644
--- a/core/tasks/ide.mk
+++ b/core/tasks/ide.mk
@@ -40,8 +40,7 @@ ifdef eclipse_project_goals
   endif
 
   source_paths := $(foreach m,$(eclipse_project_modules),$(ALL_MODULES.$(m).PATH)) \
-              $(foreach m,$(eclipse_project_modules),$(ALL_MODULES.$(m).INTERMEDIATE_SOURCE_DIR)) \
-              $(INTERNAL_SDK_SOURCE_DIRS)
+              $(foreach m,$(eclipse_project_modules),$(ALL_MODULES.$(m).INTERMEDIATE_SOURCE_DIR))
   source_paths := $(sort $(source_paths))
 
 .classpath: PRIVATE_MODULES := $(eclipse_project_modules)