diff --git a/gcc/config/i386/x-ncr3000 b/gcc/config/i386/x-ncr3000
index 6dc009f9bd9..aa22092e832 100644
--- a/gcc/config/i386/x-ncr3000
+++ b/gcc/config/i386/x-ncr3000
@@ -37,6 +37,4 @@ CLIB=-lc /usr/ucblib/libucb.a
 # CCLIBFLAGS=-Bstatic -dn -g
 # GCC_CFLAGS=-static -g -O2 -B./
 
-INSTALL=cp
-
 FIXINCLUDES=fixinc.svr4
diff --git a/gcc/config/i386/x-sco b/gcc/config/i386/x-sco
index 73aa25ffc24..b9050298574 100644
--- a/gcc/config/i386/x-sco
+++ b/gcc/config/i386/x-sco
@@ -1,4 +1,3 @@
-INSTALL=cp
 RANLIB = :
 RANLIB_TEST = false
 CC = rcc
diff --git a/gcc/config/i860/x-sysv4 b/gcc/config/i860/x-sysv4
index f480a571e17..7b5a188f35d 100644
--- a/gcc/config/i860/x-sysv4
+++ b/gcc/config/i860/x-sysv4
@@ -1,5 +1,3 @@
-INSTALL=cp
-
 # The svr4 reference port for the i860 contains an alloca.o routine
 # in /usr/ucblib/libucb.a, but we can't just try to get that by
 # setting CLIB to /usr/ucblib/libucb.a because (unfortunately)