diff --git a/Makefile b/Makefile
index df31a766..601a3863 100644
--- a/Makefile
+++ b/Makefile
@@ -108,18 +108,18 @@ $(foreach DB,$(DATABASES),$(eval $(call database,$(DB))))
 db-extras-artix7:
 	+source minitests/roi_harness/basys3-swbut.sh && $(MAKE) -C fuzzers part_only
 	+source minitests/roi_harness/arty-uart.sh && $(MAKE) -C fuzzers part_only
-	+source minitests/roi_harness/basys3-swbut.sh && \
-		$(MAKE) -C minitests/roi_harness \
-			HARNESS_DIR=database/artix7/harness/basys3/swbut run
-	+source minitests/roi_harness/arty-uart.sh && \
-		$(MAKE) -C minitests/roi_harness \
-			HARNESS_DIR=database/artix7/harness/arty-a7/uart run
-	+source minitests/roi_harness/arty-pmod.sh && \
-		$(MAKE) -C minitests/roi_harness \
-			HARNESS_DIR=database/artix7/harness/arty-a7/pmod run
-	+source minitests/roi_harness/arty-swbut.sh && \
-		$(MAKE) -C minitests/roi_harness \
-			HARNESS_DIR=database/artix7/harness/arty-a7/swbut run
+	#+source minitests/roi_harness/basys3-swbut.sh && \
+	#	$(MAKE) -C minitests/roi_harness \
+	#		HARNESS_DIR=database/artix7/harness/basys3/swbut run
+	#+source minitests/roi_harness/arty-uart.sh && \
+	#	$(MAKE) -C minitests/roi_harness \
+	#		HARNESS_DIR=database/artix7/harness/arty-a7/uart run
+	#+source minitests/roi_harness/arty-pmod.sh && \
+	#	$(MAKE) -C minitests/roi_harness \
+	#		HARNESS_DIR=database/artix7/harness/arty-a7/pmod run
+	#+source minitests/roi_harness/arty-swbut.sh && \
+	#	$(MAKE) -C minitests/roi_harness \
+	#		HARNESS_DIR=database/artix7/harness/arty-a7/swbut run
 
 db-extras-kintex7:
 	@true
diff --git a/fuzzers/Makefile b/fuzzers/Makefile
index d3a7a1bc..f64c99c1 100644
--- a/fuzzers/Makefile
+++ b/fuzzers/Makefile
@@ -80,25 +80,31 @@ $(eval $(call fuzzer,030-iob,005-tilegrid))
 $(eval $(call fuzzer,035-iob-ilogic,005-tilegrid))
 $(eval $(call fuzzer,036-iob-ologic,005-tilegrid))
 $(eval $(call fuzzer,040-clk-hrow-config,005-tilegrid))
-$(eval $(call fuzzer,041-clk-hrow-pips,005-tilegrid))
+#Disable the longest running fuzzer to speed up test iterations
+#$(eval $(call fuzzer,041-clk-hrow-pips,005-tilegrid))
 $(eval $(call fuzzer,042-clk-bufg-config,005-tilegrid))
 $(eval $(call fuzzer,043-clk-rebuf-pips,005-tilegrid))
 $(eval $(call fuzzer,044-clk-bufg-pips,005-tilegrid))
-$(eval $(call fuzzer,045-hclk-cmt-pips,005-tilegrid))
+#Disable fuzzer failing for zynq (issue #790)
+#$(eval $(call fuzzer,045-hclk-cmt-pips,005-tilegrid))
 $(eval $(call fuzzer,048-int-piplist,005-tilegrid))
 $(eval $(call fuzzer,049-int-imux-gfan,048-int-piplist))
 $(eval $(call fuzzer,050-pip-seed,048-int-piplist))
 $(eval $(call fuzzer,051-pip-imuxlout-bypalts,048-int-piplist))
-$(eval $(call fuzzer,052-pip-clkin,048-int-piplist))
+#Disable until #783 is fixed
+#$(eval $(call fuzzer,052-pip-clkin,048-int-piplist))
 $(eval $(call fuzzer,053-pip-ctrlin,048-int-piplist))
 $(eval $(call fuzzer,054-pip-fan-alt,048-int-piplist))
 $(eval $(call fuzzer,055-pip-gnd,048-int-piplist))
-$(eval $(call fuzzer,056-pip-rem,049-int-imux-gfan 050-pip-seed 051-pip-imuxlout-bypalts 052-pip-clkin 053-pip-ctrlin 054-pip-fan-alt 055-pip-gnd))
-$(eval $(call fuzzer,057-pip-bi,056-pip-rem))
+#Disable until all other fuzzer instabilities are fixed
+#$(eval $(call fuzzer,056-pip-rem,049-int-imux-gfan 050-pip-seed 051-pip-imuxlout-bypalts 052-pip-clkin 053-pip-ctrlin 054-pip-fan-alt 055-pip-gnd))
+#Disable the longest running fuzzer to speed up test iterations
+#$(eval $(call fuzzer,057-pip-bi,056-pip-rem))
 ifneq ($(QUICK),Y)
 $(eval $(call fuzzer,058-pip-hclk,005-tilegrid))
 $(eval $(call fuzzer,060-bram-cascades,005-tilegrid))
-$(eval $(call fuzzer,071-ppips,057-pip-bi 058-pip-hclk 060-bram-cascades))
+#$(eval $(call fuzzer,071-ppips,057-pip-bi 058-pip-hclk 060-bram-cascades))
+$(eval $(call fuzzer,071-ppips,058-pip-hclk 060-bram-cascades))
 ifneq ($(BITONLY),Y)
 $(eval $(call fuzzer,072-ordered_wires,))
 $(eval $(call fuzzer,073-get_counts,))