3 files changed, 5 insertions, 15 deletions
diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc
index 8e90913cc3f1..0b03d61a789a 100644
--- a/src/libstore/gc.cc
+++ b/src/libstore/gc.cc
@@ -679,7 +679,7 @@ void LocalStore::removeUnusedLinks(const GCState & state)
         if (unlink(path.c_str()) == -1)
             throw SysError(format("deleting ‘%1%’") % path);
 
-        state.results.bytesFreed += st.st_blocks * 512;
+        state.results.bytesFreed += st.st_blocks * 512ULL;
     }
 
     struct stat st;
diff --git a/src/libstore/local-store.hh b/src/libstore/local-store.hh
index 28e9a31c9feb..750da0c142d3 100644
--- a/src/libstore/local-store.hh
+++ b/src/libstore/local-store.hh
@@ -26,14 +26,9 @@ struct Derivation;
 
 struct OptimiseStats
 {
-    unsigned long filesLinked;
-    unsigned long long bytesFreed;
-    unsigned long long blocksFreed;
-    OptimiseStats()
-    {
-        filesLinked = 0;
-        bytesFreed = blocksFreed = 0;
-    }
+    unsigned long filesLinked = 0;
+    unsigned long long bytesFreed = 0;
+    unsigned long long blocksFreed = 0;
 };
 
 
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index 68c59a9f2922..c0a52145af53 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -81,12 +81,7 @@ struct GCResults
 
     /* For `gcReturnDead', `gcDeleteDead' and `gcDeleteSpecific', the
        number of bytes that would be or was freed. */
-    unsigned long long bytesFreed;
-
-    GCResults()
-    {
-        bytesFreed = 0;
-    }
+    unsigned long long bytesFreed = 0;
 };