diff --git a/.github/actions/install-sim/action.yml b/.github/actions/install-sim/action.yml
index abfbded13..443a0b74e 100644
--- a/.github/actions/install-sim/action.yml
+++ b/.github/actions/install-sim/action.yml
@@ -27,7 +27,6 @@ runs:
         git config --global user.name "ci"
         pushd test/work; git clone --recursive https://github.com/Coldcard/firmware.git; popd
         tar -xvf coldcard-mpy.tar.gz
-        pushd test/work/firmware; git am ../../data/coldcard-multisig.patch; popd
         poetry run pip install -r test/work/firmware/requirements.txt
         pip install -r test/work/firmware/requirements.txt
 
diff --git a/ci/cirrus.Dockerfile b/ci/cirrus.Dockerfile
index 17d6752d8..77a7b1f24 100644
--- a/ci/cirrus.Dockerfile
+++ b/ci/cirrus.Dockerfile
@@ -74,7 +74,6 @@ RUN protoc --version
 ## Set up environments first to take advantage of layer caching
 #RUN mkdir test
 #COPY test/setup_environment.sh test/setup_environment.sh
-#COPY test/data/coldcard-multisig.patch test/data/coldcard-multisig.patch
 ## One by one to allow for intermediate caching of successful builds
 #RUN cd test; ./setup_environment.sh --trezor-1
 #RUN cd test; ./setup_environment.sh --trezor-t
diff --git a/hwilib/devices/coldcard.py b/hwilib/devices/coldcard.py
index e64f3619c..05384415d 100644
--- a/hwilib/devices/coldcard.py
+++ b/hwilib/devices/coldcard.py
@@ -132,14 +132,23 @@ def sign_tx(self, tx: PSBT) -> PSBT:
 
         # For multisigs, we may need to do multiple passes if we appear in an input multiple times
         passes = 1
-        for psbt_in in tx.inputs:
-            our_keys = 0
-            for key in psbt_in.hd_keypaths.keys():
-                keypath = psbt_in.hd_keypaths[key]
-                if keypath.fingerprint == master_fp and key not in psbt_in.partial_sigs:
-                    our_keys += 1
-            if our_keys > passes:
-                passes = our_keys
+
+        ver = None
+        try:
+            ver = self.device.send_recv(CCProtocolPacker.version())
+        except: pass
+        if not ver or ("X" not in ver.split("\n")[1]):
+            # is not EDGE firmware, to sign multiple keys
+            # from same origin, signing must be repeated
+            # EDGE can sign all in one sitting
+            for psbt_in in tx.inputs:
+                our_keys = 0
+                for key in psbt_in.hd_keypaths.keys():
+                    keypath = psbt_in.hd_keypaths[key]
+                    if keypath.fingerprint == master_fp and key not in psbt_in.partial_sigs:
+                        our_keys += 1
+                if our_keys > passes:
+                    passes = our_keys
 
         for _ in range(passes):
             # Get psbt in hex and then make binary
diff --git a/test/setup_environment.sh b/test/setup_environment.sh
index cb4600fe8..89e2874bc 100755
--- a/test/setup_environment.sh
+++ b/test/setup_environment.sh
@@ -148,8 +148,6 @@ if [[ -n ${build_coldcard} ]]; then
             coldcard_setup_needed=true
         fi
     fi
-    # Apply patch to make simulator work in linux environments
-    git am ../../data/coldcard-multisig.patch
 
     # Build the simulator. This is cached, but it is also fast
     poetry run pip install -r requirements.txt