diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index 9b51662bc..86b06d7a2 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -10,7 +10,7 @@ jobs:
       run:
         shell: bash
     env:
-      NDK_VERSION: 25.0.8775105
+      NDK_VERSION: 26.0.10792818
     strategy:
       fail-fast: true
       matrix:
@@ -25,7 +25,6 @@ jobs:
         run: |
           sudo apt-get update
           DEBIAN_FRONTEND=noninteractive sudo apt-get install -y \
-            cmake \
             ninja-build
 
       - name: Setup NDK
diff --git a/src/symbolize.cc b/src/symbolize.cc
index f95fccca4..82322914e 100644
--- a/src/symbolize.cc
+++ b/src/symbolize.cc
@@ -535,10 +535,8 @@ OpenObjectFileContainingPcAndGetStartAddress(uint64_t pc,
   // Iterate over maps and look for the map containing the pc.  Then
   // look into the symbol tables inside.
   char buf[1024];  // Big enough for line of sane /proc/self/maps
-  unsigned num_maps = 0;
   LineReader reader(wrapped_maps_fd.get(), buf, sizeof(buf), 0);
   while (true) {
-    num_maps++;
     const char *cursor;
     const char *eol;
     if (!reader.ReadLine(&cursor, &eol)) {  // EOF or malformed line.