diff --git a/configure/CONFIG.CrossCommon b/configure/CONFIG.CrossCommon
index cfc603f6f..167ba490f 100644
--- a/configure/CONFIG.CrossCommon
+++ b/configure/CONFIG.CrossCommon
@@ -21,8 +21,6 @@ CROSS = YES
 GNU_TARGET_INCLUDE_DIR = $(GNU_TARGET:%= $(GNU_DIR)/%/include)
 GNU_TARGET_LIB_DIR = $(GNU_TARGET:%= $(GNU_DIR)/%/lib)
 
-export GCC_EXEC_PREFIX = $(GNU_LIB)/gcc-lib/
-
 CROSS_INCLUDES = $(addprefix -I,$(GNU_TARGET_INCLUDE_DIR))
 CROSS_LDFLAGS = $(addprefix -L,$(GNU_TARGET_LIB_DIR))
 
diff --git a/configure/os/CONFIG.Common.vxWorksCommon b/configure/os/CONFIG.Common.vxWorksCommon
index fc86e6c8c..2cf1dc9a3 100644
--- a/configure/os/CONFIG.Common.vxWorksCommon
+++ b/configure/os/CONFIG.Common.vxWorksCommon
@@ -121,9 +121,6 @@ GNU_DIR_5 = $(WIND_BASE)/host/$(WIND_HOST_TYPE)
 GNU_DIR_6 = $(WIND_BASE)/gnu/$(VX_GNU_VERSION)-vxworks-$(VXWORKS_VERSION)/$(WIND_HOST_TYPE)
 GNU_DIR = $(GNU_DIR_$(VXWORKS_MAJOR_VERSION))
 
-# GCC_EXEC_PREFIX considered harmful since vxWorks 6 moved it
-unexport GCC_EXEC_PREFIX
-
 #--------------------------------------------------
 # C++ host processing
 NM = $(GNU_BIN)/$(CMPLR_PREFIX)nm$(CMPLR_SUFFIX)$(HOSTEXE)