diff --git a/thanm.old/CMakeLists.txt b/thanm.old/CMakeLists.txt
index 37f95737..2661a58d 100644
--- a/thanm.old/CMakeLists.txt
+++ b/thanm.old/CMakeLists.txt
@@ -3,5 +3,5 @@ add_executable(thanm.old
   thanm.h image.h
 )
 target_link_libraries(thanm.old PRIVATE util $<$<BOOL:${PNG_FOUND}>:PNG::PNG> setargv thtk_warning)
-install(TARGETS thanm.old DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(TARGETS thanm.old)
 install(FILES thanm.old.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
diff --git a/thanm/CMakeLists.txt b/thanm/CMakeLists.txt
index 08d08d97..f2eadcdc 100644
--- a/thanm/CMakeLists.txt
+++ b/thanm/CMakeLists.txt
@@ -10,5 +10,5 @@ add_executable(thanm
 )
 target_include_directories(thanm PRIVATE ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
 target_link_libraries(thanm PRIVATE util $<$<BOOL:${PNG_FOUND}>:PNG::PNG> math setargv thtk_warning)
-install(TARGETS thanm DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(TARGETS thanm)
 install(FILES thanm.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
diff --git a/thdat/CMakeLists.txt b/thdat/CMakeLists.txt
index 48d55e95..700f68be 100644
--- a/thdat/CMakeLists.txt
+++ b/thdat/CMakeLists.txt
@@ -1,5 +1,5 @@
 include_directories(${CMAKE_SOURCE_DIR})
 add_executable(thdat thdat.c)
 target_link_libraries(thdat PRIVATE thtk util setargv thtk_warning $<$<BOOL:${OPENMP_FOUND}>:OpenMP::OpenMP_C>)
-install(TARGETS thdat DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(TARGETS thdat)
 install(FILES thdat.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
diff --git a/thecl/CMakeLists.txt b/thecl/CMakeLists.txt
index b9ef841c..52e7c542 100644
--- a/thecl/CMakeLists.txt
+++ b/thecl/CMakeLists.txt
@@ -9,5 +9,5 @@ add_executable(thecl
   expr.c thecl.c eclmap.c thecl06.c thecl10.c
   expr.h thecl.h eclmap.h)
 target_link_libraries(thecl PRIVATE util math setargv thtk_warning)
-install(TARGETS thecl DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(TARGETS thecl)
 install(FILES thecl.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
diff --git a/thmsg/CMakeLists.txt b/thmsg/CMakeLists.txt
index f58a874c..745a8a1d 100644
--- a/thmsg/CMakeLists.txt
+++ b/thmsg/CMakeLists.txt
@@ -3,5 +3,5 @@ add_executable(thmsg
   thmsg.h
 )
 target_link_libraries(thmsg PRIVATE util setargv thtk_warning)
-install(TARGETS thmsg DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(TARGETS thmsg)
 install(FILES thmsg.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
diff --git a/thstd/CMakeLists.txt b/thstd/CMakeLists.txt
index 48b0a0f9..b02a7f80 100644
--- a/thstd/CMakeLists.txt
+++ b/thstd/CMakeLists.txt
@@ -3,5 +3,5 @@ add_executable(thstd
   thstd.h
 )
 target_link_libraries(thstd PRIVATE util setargv thtk_warning)
-install(TARGETS thstd DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(TARGETS thstd)
 install(FILES thstd.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
diff --git a/thtk/CMakeLists.txt b/thtk/CMakeLists.txt
index 99cade41..27379c47 100644
--- a/thtk/CMakeLists.txt
+++ b/thtk/CMakeLists.txt
@@ -31,8 +31,4 @@ if (PKG_CONFIG_FOUND)
   install(FILES ${CMAKE_CURRENT_BINARY_DIR}/thtk.pc
     DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 endif()
-install(TARGETS thtk
-  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/thtk)
+install(TARGETS thtk PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/thtk)