diff --git a/aegisub/Makefile.inc.in b/aegisub/Makefile.inc.in
index 3fb37a713..e9285624f 100644
--- a/aegisub/Makefile.inc.in
+++ b/aegisub/Makefile.inc.in
@@ -27,7 +27,6 @@ CFLAGS_DEP          = -MD -MP
 LIBS                = @LIBS@
 LDFLAGS             = @LDFLAGS@
 INSTALL_FLAGS       = -m 664
-CCACHE_ENV          = CCACHE_SLOPPINESS=time_macros
 LIB_SHARED_LINK     = -shared -Wl,-soname -Wl,$(LIB_SHARED_FULL)
 LIB_SHARED_LINK_OSX = -dynamiclib -Wl,-undefined -Wl,dynamic_lookup -compatibility_version $(LIB_VERSION) -current_version $(LIB_VERSION) -Wl,-single_module -mmacosx-version-min=10.7 -install_name ${CURDIR}/$(LIB_SHARED_FULL)
 
@@ -116,14 +115,6 @@ LIBS_UCHARDET     ?= ../universalchardet/libuniversalchardet.a
 # DEBUG / DEVELOPMENT
 #####################
 PRECOMPILED_HEADER = @enable_gcc_prec@
-CCACHE_ENABLE      = @enable_ccache@
-LDFLAGS_CCMALLOC   = @CCMALLOC_LDFLAGS@
-LIBS_EFENCE        = @EFENCE_LIBS@
-LIBS_GCOV          = @GCOV_LIBS@
-
-CFLAGS_EFENCE      = @EFENCE_CFLAGS@
-CFLAGS_GCOV        = @GCOV_CFLAGS@
-
 ENABLE_REPORTER    = @ENABLE_REPORTER@
 
 ##########
diff --git a/aegisub/configure.ac b/aegisub/configure.ac
index 5f4393e02..bb9b1b0e8 100644
--- a/aegisub/configure.ac
+++ b/aegisub/configure.ac
@@ -203,11 +203,6 @@ AS_IF([test x$with_libc__ != xno], [
 ######################################
 # Check Headers / Features / Libraries
 ######################################
-AC_HEADER_STDC
-AC_HEADER_STDBOOL
-AC_C_CONST
-AC_C_INLINE
-AC_C_VOLATILE
 AC_CHECK_LIB([m], [main])
 
 AC_AGI_COMPILE([pragma once], [pragma_once], [], [],[
@@ -492,90 +487,6 @@ AC_PCH_FLAG([-Winvalid-pch])
 AC_PCH_FLAG([-fpch-deps])
 AC_PCH_FLAG([-fpch-preprocess])
 
-###########
-# Profiling
-###########
-AC_ARG_VAR([PROFILE_FLAGS], [Profile flag(s) to use with --enable-profile [-pg]])
-
-AC_MSG_CHECKING([whether to turn on profiling])
-AC_ARG_ENABLE(profile, AS_HELP_STRING([--enable-profile],[enable profiling [no]]))
-AS_IF([test x$enable_profile = xyes], [
-  PROFILE_FLAGS=${PROFILE_FLAGS:--pg}
-  AC_MSG_RESULT([yes ($PROFILE_FLAGS)])
-  CFLAGS="$PROFILE_FLAGS $CFLAGS"
-], [
-  enable_profile="no"
-  AC_MSG_RESULT([no])
-])
-
-
-######
-# gcov
-######
-AC_ARG_VAR([GCOV_CFLAGS], [gcov cflag(s) to use with --enable-gcov [-ftest-coverage -fprofile-arcs]])
-AC_ARG_VAR([GCOV_LIBS], [gcov ldflag(s) to use with --enable-gcov [-lgcov]])
-
-AC_MSG_CHECKING([whether to turn on gcov])
-AC_ARG_ENABLE(gcov, AS_HELP_STRING([--enable-gcov],[enable gcov [no]]))
-
-AS_IF([test x$enable_gcov = xyes], [
-  GCOV_CFLAGS=${GCOV_CLFAGS:--fprofile-arcs -ftest-coverage}
-  GCOV_LIBS=${GCOV_LIBS:--lgcov}
-
-  AC_MSG_RESULT([yes ($GCOV_CFLAGS) ($GCOV_LIBS)])
-  CFLAGS="$CFLAGS $GCOV_CFLAGS"
-  LIBS="$LIBS $GCOV_LIBS"
-], [
-  enable_gcov="no"
-  AC_MSG_RESULT([no])
-])
-
-################
-# Electric Fence
-################
-AC_ARG_VAR([EFENCE_LIBS], [Electric Fence ldflag(s) to use with --enable-profile [-lefence]])
-
-AC_MSG_CHECKING([whether to turn on Electric Fence])
-AC_ARG_ENABLE(efence, AS_HELP_STRING([--enable-efence],[enable Electric Fence [no]]))
-AS_IF([test x$enable_efence = xyes], [
-  EFENCE_LIBS=${EFENCE_LIBS:--lefence}
-  AC_MSG_RESULT([yes ($EFENCE_LIBS)])
-], [
-  enable_efence="no"
-  AC_MSG_RESULT([no])
-])
-AC_SUBST(EFENCE_LIBS)
-
-##########
-# ccmalloc
-##########
-AC_ARG_VAR([CCMALLOC_LIBS], [ccmalloc libs(s) to use with --enable-ccmalloc [$prefix/lib/ccmalloc-c++.o]])
-AC_ARG_VAR([CCMALLOC_LDFLAGS], [ccmalloc ldflag(s) to use with --enable-ccmalloc [-lccmalloc]])
-
-AC_MSG_CHECKING([whether to turn on ccmalloc])
-AC_ARG_ENABLE(ccmalloc, AS_HELP_STRING([--enable-ccmalloc],[enable ccmalloc [no]]))
-AS_IF([test x$enable_ccmalloc = xyes], [
-  CCMALLOC_LIBS=${CCMALLOC_LIBS:-$prefix/lib/ccmalloc-c++.o}
-  CCMALLOC_LDFLAGS=${CCMALLOC_LDFLAGS:--lccmalloc}
-  AC_MSG_RESULT([yes ($CCMALLOC_LIBS $CCMALLOC_LDFLAGS)])
-], [
-  enable_ccmalloc="no"
-  AC_MSG_RESULT([no])
-])
-AC_SUBST(CCMALLOC_LDFLAGS)
-AC_SUBST(CCMALLOC_LIBS)
-
-AS_IF([test x$enable_efence = xyes && test x$enable_ccmalloc = xyes],
-      [AC_MSG_FAILURE([Please enable Electric Fence _or_ ccmalloc otherwise strange things will happen.])])
-
-########
-# ccache
-########
-AC_MSG_CHECKING([whether to enable ccache])
-AC_ARG_ENABLE(ccache, AS_HELP_STRING([--enable-ccache],[enable ccache [no]]))
-AC_MSG_RESULT(${enable_ccache:=no})
-AC_SUBST(enable_ccache)
-
 ##############################
 # Internationalisation support
 ##############################
diff --git a/aegisub/src/Makefile b/aegisub/src/Makefile
index 2865598c3..02ca9a4f2 100644
--- a/aegisub/src/Makefile
+++ b/aegisub/src/Makefile
@@ -5,18 +5,16 @@ PROGRAM_INSTALL = yes
 
 PRECOMPILED_HEADER_NAME=agi_pre.h
 
-AEGISUB_CFLAGS = -I. -I.. -Iinclude -I../libaegisub/include -I../build -DAEGISUB $(CFLAGS_PTHREAD) $(CFLAGS_FFTW3) $(CFLAGS_PROFILE) $(CFLAGS_ICU)
+AEGISUB_CFLAGS = -I. -I.. -Iinclude -I../libaegisub/include -I../build -DAEGISUB $(CFLAGS_PTHREAD) $(CFLAGS_FFTW3) $(CFLAGS_ICU)
 
 CFLAGS += $(AEGISUB_CFLAGS)
 CXXFLAGS += $(AEGISUB_CFLAGS) -D__STDC_FORMAT_MACROS $(CXXFLAGS_WX)
 
-LIBS := -L../libaegisub -laegisub $(LIBS) $(LIBS_CCMALLOC) $(LIBS_EFENCE)
+LIBS := -L../libaegisub -laegisub $(LIBS)
 LIBS += $(LIBS_GL) $(LIBS_PTHREAD) $(LIBS_WX) $(LIBS_FREETYPE)
 LIBS += $(LIBS_FONTCONFIG) $(LIBS_FFTW3) $(LIBS_UCHARDET) $(LIBS_BOOST)
 LIBS += $(LIBS_ICU) $(LIBS_LUA)
 
-LDFLAGS += $(LDFLAGS_CCMALLOC)
-
 ifeq (yes, $(BUILD_DARWIN))
 SRC += osx_utils.mm
 endif