diff --git a/submodules/build/builders.d/libilbc.mk b/submodules/build/builders.d/libilbc.mk
index 2f6b4414a..6cc5c2411 100644
--- a/submodules/build/builders.d/libilbc.mk
+++ b/submodules/build/builders.d/libilbc.mk
@@ -22,6 +22,7 @@ clean-libilbc:
 
 veryclean-libilbc:
 	-cd $(LIBILBC_BUILD_DIR) && make distclean
+	-rm -f $(LIBILBC_SRC_DIR)/configure
 
 clean-makefile-libilbc:
 	cd $(LIBILBC_BUILD_DIR) && rm -f Makefile
diff --git a/submodules/build/builders.d/polarssl.mk b/submodules/build/builders.d/polarssl.mk
index 3aabf5fc5..100660b57 100644
--- a/submodules/build/builders.d/polarssl.mk
+++ b/submodules/build/builders.d/polarssl.mk
@@ -22,6 +22,7 @@ clean-polarssl:
 
 veryclean-polarssl:
 	-rm -rf $(BUILD_DIR)/$(polarssl_dir)
+	-rm -f $(SRC_DIR)/$(polarssl_dir)/configure
 
 clean-makefile-polarssl: veryclean-polarssl