diff --git a/src/Makefile b/src/Makefile
index c79c270..9409a8c 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,10 +3,10 @@ pedantic ?= yes
 
 ifeq ($(debug),yes)
     CPPFLAGS += -DKAK_DEBUG
+    CXXFLAGS += -g
     suffix := .debug
 else
     ifeq ($(debug),no)
-        CXXFLAGS += -O3
         suffix := .opt
     else
         $(error debug should be either yes or no)
@@ -26,8 +26,6 @@ mandocs := $(docs:.asciidoc=.gz)
 PREFIX ?= /usr/local
 DESTDIR ?= # root dir
 
-NCURSESW_INCLUDE ?= /usr/include/ncursesw
-
 bindir := $(DESTDIR)$(PREFIX)/bin
 sharedir := $(DESTDIR)$(PREFIX)/share/kak
 docdir := $(DESTDIR)$(PREFIX)/share/doc/kak
@@ -53,11 +51,10 @@ else ifneq (,$(findstring CYGWIN,$(os)))
-    LIBS += -lncursesw -lboost_regex -ldbghelp
+    LIBS += -lboost_regex -ldbghelp
 else
-    LIBS += -lncursesw -lboost_regex
+    LIBS += -lboost_regex
-    CPPFLAGS += -I$(NCURSESW_INCLUDE)
     LDFLAGS += -rdynamic
 endif
 
-CXXFLAGS += -std=gnu++11 -g -Wall -Wno-reorder -Wno-sign-compare -Wno-address
+CXXFLAGS += -std=gnu++11 -Wall -Wno-reorder -Wno-sign-compare -Wno-address
 
 kak : $(objects)
 	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(objects) $(LIBS) -o $@