diff --git a/.gitignore b/.gitignore
index a19eaef16..ccd795574 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,12 @@ docker/node/etc/genesis.json
 tests/e2e/testnet/net-runner
 tests/e2e_regression/actual/*
 
+# Index files for `pogreb` kvstore/cache.
+# They can be auto-reconstructed from .psg files. They sometimes change for no obvious reason.
+tests/e2e_regression/rpc-cache/**/*.pmt
+tests/e2e_regression/rpc-cache/**/*.pix
+tests/e2e_regression/rpc-cache/**/lock
+
 # Log output.
 **/*.log
 /logs
diff --git a/tests/e2e_regression/rpc-cache/consensus/00000-1.psg.pmt b/tests/e2e_regression/rpc-cache/consensus/00000-1.psg.pmt
deleted file mode 100644
index 616fa0a9a..000000000
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diff --git a/tests/e2e_regression/rpc-cache/consensus/db.pmt b/tests/e2e_regression/rpc-cache/consensus/db.pmt
deleted file mode 100644
index 465590855..000000000
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diff --git a/tests/e2e_regression/rpc-cache/consensus/index.pmt b/tests/e2e_regression/rpc-cache/consensus/index.pmt
deleted file mode 100644
index d8d44cccd..000000000
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diff --git a/tests/e2e_regression/rpc-cache/consensus/main.pix b/tests/e2e_regression/rpc-cache/consensus/main.pix
deleted file mode 100644
index 7b37ac801..000000000
--- a/tests/e2e_regression/rpc-cache/consensus/main.pix
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3e1069d990d92e44014d6dc2a056207f8a952dbab70e0ea832f87d187b2f3f29
-size 260096
diff --git a/tests/e2e_regression/rpc-cache/consensus/overflow.pix b/tests/e2e_regression/rpc-cache/consensus/overflow.pix
deleted file mode 100644
index 827bd1817..000000000
--- a/tests/e2e_regression/rpc-cache/consensus/overflow.pix
+++ /dev/null
@@ -1,3 +0,0 @@
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-oid sha256:fca8b04ae84abe49ba6ef2a273b1931bc4623b01fdbde20a27705badcc424260
-size 40960
diff --git a/tests/e2e_regression/rpc-cache/emerald/00000-1.psg.pmt b/tests/e2e_regression/rpc-cache/emerald/00000-1.psg.pmt
deleted file mode 100644
index af2e77465..000000000
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diff --git a/tests/e2e_regression/rpc-cache/emerald/db.pmt b/tests/e2e_regression/rpc-cache/emerald/db.pmt
deleted file mode 100644
index 4f19e2000..000000000
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diff --git a/tests/e2e_regression/rpc-cache/emerald/index.pmt b/tests/e2e_regression/rpc-cache/emerald/index.pmt
deleted file mode 100644
index 4396e42c6..000000000
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diff --git a/tests/e2e_regression/rpc-cache/emerald/main.pix b/tests/e2e_regression/rpc-cache/emerald/main.pix
deleted file mode 100644
index 127f83fa7..000000000
--- a/tests/e2e_regression/rpc-cache/emerald/main.pix
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:607f5581fad3144a9477048f9c71e6df76cc22beebcce9afdde90ca5d541e2ba
-size 77824
diff --git a/tests/e2e_regression/rpc-cache/emerald/overflow.pix b/tests/e2e_regression/rpc-cache/emerald/overflow.pix
deleted file mode 100644
index e4a404789..000000000
--- a/tests/e2e_regression/rpc-cache/emerald/overflow.pix
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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-size 9216
diff --git a/tests/e2e_regression/rpc-cache/https_sourcify_dev_server/00000-1.psg.pmt b/tests/e2e_regression/rpc-cache/https_sourcify_dev_server/00000-1.psg.pmt
deleted file mode 100644
index 4220ac2c6..000000000
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diff --git a/tests/e2e_regression/rpc-cache/https_sourcify_dev_server/lock b/tests/e2e_regression/rpc-cache/https_sourcify_dev_server/lock
deleted file mode 100644
index e69de29bb..000000000
diff --git a/tests/e2e_regression/rpc-cache/https_sourcify_dev_server/main.pix b/tests/e2e_regression/rpc-cache/https_sourcify_dev_server/main.pix
deleted file mode 100644
index 0b81e3672..000000000
--- a/tests/e2e_regression/rpc-cache/https_sourcify_dev_server/main.pix
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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-size 1536
diff --git a/tests/e2e_regression/rpc-cache/https_sourcify_dev_server/overflow.pix b/tests/e2e_regression/rpc-cache/https_sourcify_dev_server/overflow.pix
deleted file mode 100644
index 8833e9889..000000000
--- a/tests/e2e_regression/rpc-cache/https_sourcify_dev_server/overflow.pix
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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-size 512