diff --git a/lib/libc_r/Makefile b/lib/libc_r/Makefile
index 0092a440a1d..32a412706eb 100644
--- a/lib/libc_r/Makefile
+++ b/lib/libc_r/Makefile
@@ -16,8 +16,6 @@ CFLAGS+=-I${.CURDIR}/../../include
 # thread locking.
 CFLAGS+=-D_LOCK_DEBUG
 
-DEBUG_FLAGS=-g3
-
 # enable extra internal consistancy checks
 # CFLAGS+=-D_PTHREADS_INVARIANTS
 
diff --git a/lib/libkse/Makefile b/lib/libkse/Makefile
index 0092a440a1d..32a412706eb 100644
--- a/lib/libkse/Makefile
+++ b/lib/libkse/Makefile
@@ -16,8 +16,6 @@ CFLAGS+=-I${.CURDIR}/../../include
 # thread locking.
 CFLAGS+=-D_LOCK_DEBUG
 
-DEBUG_FLAGS=-g3
-
 # enable extra internal consistancy checks
 # CFLAGS+=-D_PTHREADS_INVARIANTS
 
diff --git a/lib/libpthread/Makefile b/lib/libpthread/Makefile
index 0092a440a1d..32a412706eb 100644
--- a/lib/libpthread/Makefile
+++ b/lib/libpthread/Makefile
@@ -16,8 +16,6 @@ CFLAGS+=-I${.CURDIR}/../../include
 # thread locking.
 CFLAGS+=-D_LOCK_DEBUG
 
-DEBUG_FLAGS=-g3
-
 # enable extra internal consistancy checks
 # CFLAGS+=-D_PTHREADS_INVARIANTS